Product Data Sheet: Rosemount 114C Thermowells

Rosemount, 114C, Thermowells, process connections, threaded, welded, and Van Stone, Temperature sensors, process conditions, Thermowell calculations, Complete Point Solution, Data Sheet, Specifications, Dimensional Drawing

Rosemount - Emerson

Product Data Sheet: Rosemount 114C Thermowells

Product Data Sheet June 2019 00813-0200-4952, Rev EB Rosemount ™ 114C Thermowells Wide variety of industry standard process connections including flanged, threaded, welded, and Van Stone. Large selection of thermowell materials to ensure proper process compatibility from stainless steel to exotic materials such as duplex and alloy C-276. Additional thermowell options and certificates available.

PDF Product-Data-Sheet-Rosemount-114C-Thermowells-en-80170
RosemountTM 114C Thermowells

Product Data Sheet
June 2019 00813-0200-4952, Rev EB

 Wide variety of industry standard process connections including flanged, threaded, welded, and Van Stone.
 Large selection of thermowell materials to ensure proper process compatibility from stainless steel to exotic materials such as duplex and alloy C-276.
 Additional thermowell options and certificates available.

Rosemount 114C

June 2019

Contents
Product overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Selection guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Rosemount 114C Threaded Thermowells . . . . . . . . . . . . 6
Threaded thermowell overview . . . . . . . . . . . . . . . . . . . 7 Threaded ordering information . . . . . . . . . . . . . . . . . . . 7 Threaded thermowell drawings . . . . . . . . . . . . . . . . . . 16 Rosemount 114C Flanged Thermowells . . . . . . . . . . . . 18 Flanged thermowell overview . . . . . . . . . . . . . . . . . . . 19 Flanged ordering information . . . . . . . . . . . . . . . . . . . 21 Flanged thermowell drawings . . . . . . . . . . . . . . . . . . . 30

Rosemount 114C Van Stone Thermowells . . . . . . . . . . .33 Van Stone thermowell overview . . . . . . . . . . . . . . . . .34 Van Stone ordering information . . . . . . . . . . . . . . . . .36 Van Stone thermowell drawings . . . . . . . . . . . . . . . . .44
Rosemount 114C Welded Thermowells . . . . . . . . . . . . .46 Welded thermowell overview . . . . . . . . . . . . . . . . . . .47 Welded ordering information . . . . . . . . . . . . . . . . . . .49 Weld-in Type 4 thermowells according to DIN 43772 .55 Welded thermowell drawings . . . . . . . . . . . . . . . . . . .57
Ordering information detail . . . . . . . . . . . . . . . . . . . . . . .59

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Rosemount 114C

Rosemount 114C Thermowell

Product overview
Temperature sensors are rarely inserted directly into an industrial process. They are installed into a thermowell to isolate them from the potentially damaging process conditions of flow-induced stresses, high pressure, and corrosive chemical effects. Thermowells are closed-end metal tubes or barstock installed into the process vessel or piping and become an integral pressure-tight part of the process vessel or pipe. They permit the sensor to be quickly and easily removed from the process for calibration or replacement without requiring a process shutdown and possible drainage of the pipe or vessel.
The Rosemount 114C Thermowell is made from solid barstock to ensure strength and integrity. The Rosemount 114C was designed to accommodate a host of industry standard configurations, but has the flexibility to adapt to special configurations for different types of applications.

Flexible design modifiers accommodate many process requirements
 Different sizes of root (A), tip (B), and bore (d) diameters  Different tip (t) thickness as required  Numerous combinations for various industrial applications  Meet ASME PTC 19.3 TW standard with flexible design

A

Bd

t

Thermowell calculations ensure thermowell design is compatible with process conditions

 Thermowells inserted into any process are subjected to forces from the fluid flow.
 ASME released design standard PTC 19.3 TW that defines a series of qualitative calculations to determine design suitability to withstand process conditions.
 Calculations are based on process conditions, process fluid, installation method, thermowell geometry and material.
 The thermowell calculation tool from Emerson is designed to meet the ASME standard.
 The free online software version can be used for preliminary calculations. Click here to access the tool.
 Formal calculations by our expert team of engineers are available prior to order placement to ensure design is acceptable.
 Recommendations are also made if thermowell design is found to be unacceptable for the application.
 Order Thermowell Calculation option (R21) to receive a formal report with product shipment.

Figure 1. Thermowell Calculation Report (R21)

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Wide range of thermowell options and certificates for any application
 Options for special testing requirements, such as External Hydrostatic Pressure Test (Q5) and Dye Penetration Test (Q73)  Options to ensure material traceability or compatibility, including Positive Material Identification or PMI (Q76), Material
Certification (Q8), Thermowell X-ray/Radiograph (Q81), and NACE® Approval (Q35)  Options for special processing requirements such as Electropolishing (R20)

Experience global consistency and local support from numerous worldwide Emerson manufacturing sites
 World-class manufacturing provides globally consistent product from every factory and the capacity to fulfill the needs of any project, large or small.
 Experienced Instrumentation Consultants help select the right product for any temperature application and offer advice on best installation practices.
 An extensive global network of Emerson service and support personnel can be on-site when and where they are needed.
Explore the benefits of a Complete Point SolutionTM from Emerson
 An "Assemble Sensor to Specific Transmitter" and "Assemble Sensor to Specific Thermowell" option enables Emerson to provide a Complete Point Solution for measuring temperature, delivering an installation-ready transmitter, sensor, and thermowell assembly.
 Emerson has a complete portfolio of Single Point and Multi-Input Temperature Measurement solutions, allowing effective measurement and process control with reliable Rosemount products.

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Rosemount 114C

Selection guide

Ensure sensor fits thermowell

Rosemount 114C Head length (H) + Immersion length (U) = Rosemount 214C Sensor insertion length (L).

H

U

L
Basic selection guide
Selecting the proper thermowell for an application is an important activity as it impacts plant safety and measurement efficiency. Thermowells are considered a wetted part; they physically become part of the pressure retaining system.
The four major factors to consider when selecting a thermowell for an application are described below:
Thermowell length
There is no standard formula to determine thermowell immersion length. However, there are a few common practices that the process industry follows along with good engineering judgment. Ideally the thermowell tip should be located near the centerline in turbulent flow conditions because this represents the most accurate process temperature.
To ensure optimal performance, a general guideline for immersion length into a pipe is as follows:  10 the thermowell root diameter for air or gas  5 the thermowell root diameter for liquids
Another guideline is at least one-third the way into the pipe for any measurement. The American Petroleum Institute (API) has a specific recommendation of using an immersion length of the sensing element plus 50 mm (2-in.).
Mounting configuration
Consider how the thermowell is mounted on the pipe or tank. The process designer typically specifies what mating connection will be used and the thermowell selected should match that connection. Temperature, pressure, and material are usually taken into consideration to ensure the process connection will be adequate for the application. Welded, threaded, flanged, and Van Stone are standard mounting configuration options.
Thermowell stem profile
Factors to be considered when selecting a stem style include the process pressure, required response speed of the measurement, drag force of the fluid flow on the well, and the wake frequency. The stem or shank is the part of a thermowell inserted into the process piping or vessel. Straight, stepped and tapered stem styles are available. Each profile has its advantages depending on the need and situation.
Thermowell material
Rosemount Thermowells are supplied in most materials required for industrial applications. Standard materials are 316/316L Stainless Steel, 304/304L Stainless Steel, and A105 Carbon Steel. For corrosive environments, special materials such as Alloy C-276 and Alloy 600 are also available. See the ordering table for a complete listing of standard materials. Contact your local Emerson representative for additional material availability.

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Rosemount 114C Threaded Thermowells

June 2019

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Rosemount 114C

Threaded thermowell overview

Threaded thermowells are threaded into a process pipe or tank, allowing for easy installation and removal when necessary. While this is a common mounting method, it has the lowest pressure rating of all mounting configuration options.

Figure 2. Standard Offering­Threaded

Model

Units

Immersion Mounting Process length (U) style connection

114C

X

XXXX

T

XX

1234

5

6789

10

11 12

Stem style
X
13

Thermowell material XX
14 15

Head length (H)
XXX

Instrument

Options

connection threads

X

XX, XXX, XX

16 17 18

19

(16-18) Head length (H)

Common options

(5) Units English (E) Metric (M)

(10) Mounting style Threaded (T)

(6-9) Immersion length (U)

(13) Stem style

1

Straight stem

2

Tapered stem

3

Stepped stem

XXX XXX

1.75- to 11.25-in. (E) Example: 1.75.in = 017, 10-in. = 100
40 to 225mm (M) Example: 40 mm = 040, 225 mm =225

Q5 External pressure test Q35 NACE certification R21 Thermowell
calculation
Q8 Material certification

XXXX 1- to 42-in. (E) Example: 2-in. = 0020, 42-in. =0420
XXXX 25 to 1165 mm (M) Example: 25 mm = 0025, 1165 mm =1165

(11-12) Process connections

AA

½-14 NPT

AB

¾-14 NPT

AC

1-11.5 NPT

DA

M20 x 1.5p

DB

M24 x 1.5p

DE

½-in. BSPF (G½)

(14-15) Thermowell material

SC

316/316L SST

SF

304/304L SST

CS

Carbon steel

(19) Instrument connection

A

½-14 NPT

B

½-14 NPSM

D

M18 x 1.5p

E

M20 x 1.5p

F

M24 x 1.5p

The common options shown in Figure 2 represent a partial offering; reference the Rosemount 114C Threaded Ordering Information for a full list of available options.

Figure 3. Threaded Thermowell Components Tapered threads

Parallel threads

H

U

H

U

A B
A. Instrument connection B. Process connection

A B
H. Head length U. Immersion length

Note Wetted surface includes engaged threads and immersion length (U).

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Use the form below to record your model code:

Model

Units

Immersion length (U)

Mounting style

Process connection

Stem style

Thermowell material

Head length (H)

Instrument connection

Options

114C

T

1234

5

6 through 9

10

11 and 12

13

14 and 15

16 through 18

19

X X X X X

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Threaded ordering information

Figure 4. Model Number Ordering Example

Model

Units

Immersion length (U)

Mounting style

Process connection

Stem style

Thermowell material

Head length (H)

Instrument connection

Options

114C E 0060

T

AA 1 S C 050

A

WR5, Q76...

1234

5

6789

10

11 12

13

14 15

16 17 18

19

X X X X X

The numbers below the model number ordering example correlate to the character place numbers in the second column of the ordering table.

Table 1. Rosemount 114C Threaded Ordering Information
The starred offerings () represent the most common options and should be selected for best delivery. The non-starred offerings are subject to additional delivery lead time.

Place #s 1-4

Model

Details

Ref. page

 114C

Barstock temperature thermowell

Place # 5

Dimension units

Made with a standard bore diameter of 0.26-in. (6.6 mm) and tip wall thickness of 0.25-in. (6.4 mm)

N/A
Ref. page

E M

English units (in.) Metric units (mm)

59 Specifies whether length units will be in inches (in.) or millimeters (mm)
59

Tapered threads

Parallel threads

Place #s 6-9

Immersion length (U)

U

U

Ref.

page

 xxxx  xxxx

xxx.x-in., 1.00 to 100-in. in 1/4-in. increments (when ordered with dimension units code E) Example of a 6.25-in. length where the second decimal is dropped off: 0062 xxxx mm, 25 to 2500 mm in 5 mm increments (when ordered with dimension units code M) Example of a 50 mm length: 0050

Place # 10

Mounting style

T

Threaded

Place #s 11-12

Process connection

 AA  AB  AC  AD  AE

1/2­14 NPT 3/4­14 NPT 1­11.5 NPT 11/2­11.5 NPT 1/2-in. BSPT

Tapered threads Tapered threads Tapered threads Tapered threads Tapered threads

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59
Ref. page N/A Ref. page N/A N/A N/A N/A N/A
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Table 1. Rosemount 114C Threaded Ordering Information
The starred offerings () represent the most common options and should be selected for best delivery. The non-starred offerings are subject to additional delivery lead time.

 AF 3/4-in. BSPT

Tapered threads

N/A

 AG 1-in. BSPT

Tapered threads

N/A

 DA M20  1.5p

Parallel threads

N/A

 DB M24  1.5p

Parallel threads

N/A

 DC M27  2p

Parallel threads

N/A

DD M33  2p

Parallel threads

N/A

 DE 1/2-in. BSPF (G1/2)

Parallel threads

N/A

 DF 3/4-in. BSPF (G3/4)

Parallel threads

N/A

 DG 1-in. BSPF (G1)

Parallel threads

N/A

Place # 13

Stem style

Details

Image

Ref. page

1

Straight

2

Tapered

3

Stepped

Place #s 14-15

Thermowell material

Minimum immersion length 1-in. (25 mm) - Tapered threads 1.75-in. (45 mm) - Parallel threads
Minimum immersion length 1-in. (25 mm) - Tapered threads 1.75-in. (45 mm) - Parallel threads
Minimum immersion length 3-in. (75 mm) - Tapered threads 3.75-in. (95 mm) - Parallel threads
Details

60
60
60 Ref. page

 SC 316/316L dual rated

61

SD 316/316L dual rated (NORSOK) Must order the Q8 Material Certificate to get NORSOK documentation

62

 SF 304/304L dual rated

61

 CS Carbon steel (A-105)

61

SG 316Ti SST

61

SL 310 SST

61

SM 321 SST

61

SN 321H SST

61

SR 904L SST

61

SP 347 SST

61

AB Alloy B3

61

AC Alloy C-276

61

AG Alloy 20

62

AH Alloy 400

61

AK Alloy 600

61

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Table 1. Rosemount 114C Threaded Ordering Information
The starred offerings () represent the most common options and should be selected for best delivery. The non-starred offerings are subject to additional delivery lead time.

AM Alloy 601

61

AN Alloy 625

61

AP Alloy 800

61

AQ Alloy 800H/HT

61

AR Alloy 825

61

AU Alloy C-202

61

AS Alloy F44 Mo6

61

MO Molybdenum

61

CA

Chrome-Moly Grade B-11/F-11 Class II

61

CB

Chrome-Moly Grade B-22/ F-22 Class III

61

CC Chrome-Moly Grade F-91

61

NK Nickel 200

61

TT Titanium Grade 2

61

DS Super duplex SST Grade F-53

61

DT

Super duplex SST Grade F-53 ­ NORSOK

Must order the Q8 Material Certificate to get NORSOK documentation

62

DU Duplex 2205 Grade F51

61

DV

Duplex 2205 Grade F51 ­ NORSOK

Must order the Q8 Material Certificate to get NORSOK documentation

62

Tapered threads

Parallel threads

Place # 16-18

Head length (H)

H

H

Ref.

page

xx.x-in., 1.75 to 11.25-in. in 1/4-in. increments (when ordered with dimension units code E)

 xxx

63

Example of a 6.25-in. length where the second decimal is dropped off: 062 (default head length = 1.75-in.)

xxx mm, 40 to 225 mm in 5 mm increments (when ordered with dimension units code M)

 xxx

63

Example of a 50 mm length: 050 (default head length = 45 mm)

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Table 1. Rosemount 114C Threaded Ordering Information
The starred offerings () represent the most common options and should be selected for best delivery. The non-starred offerings are subject to additional delivery lead time.

Place # 19

Instrument connection

Details

Image

Ref. page

A

1/2­14 NPT

64

B

1/2­14 NPSM

64

C

3/4­14 NPT

64

D

M18  1.5p

64

E

M20  1.5p

64

Female threads

F

M24  1.5p

64

G

G 1/2-in. (BSPF)

64

H

G 3/4-in. (BSPF)

64

J

M27  2p

64

K

M14  1.5p

64

Options (include with selected model number)

Sensor/thermowell assemble to options

Details

Ref. page

 XT  XW

Hand tight assembly of sensor and thermowell
Process-ready assembly of sensor and thermowell

Ensures sensor is threaded into thermowell but only hand tightened
Ensures sensor is threaded into thermowell and torqued for process-ready installation

Extended product warranty

65
65 Ref. page

 WR3 3-year limited warranty  WR5 5-year limited warranty
Thermowell calculation

This warranty option extends manufacturer's warranty to three or five years for manufacturer related defects

65
65
Ref. page

 R21 Thermowell calculation NACE certification

Set of calculations to ensure thermowells are safe in certain process conditions 65
Ref. page

 Q35 NACE certification PMI testing

Meets MR0175/ISO 15156 and MR0103 requirements

66
Ref. page

Q76 PMI testing Material certification

Verifies chemical composition of material

66
Ref. page

 Q8 Material certification

Certificate for material conformance and traceability in accordance with EN 10204 type 3.1

67

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Table 1. Rosemount 114C Threaded Ordering Information
The starred offerings () represent the most common options and should be selected for best delivery. The non-starred offerings are subject to additional delivery lead time.

Material tests

Ref. page

M01 Low temperature Charpy Test Measures the low temperature ductility of the material

67

M02 Ultrasonic material test

Examination of steel forgings for flaws and inclusions

67

Surface finish

Details

Ref. page

Q16 Certification

Certificate showing measured surface finish values

68

R14 Finish < Ra 0.3 m (12 in)

Improves surface roughness of thermowell

68

Electropolish

Ref. page

R20 Electropolish

Improve smoothness and surface quality

Hydrostatic external pressure test

68
Ref. page

 Q5  Q9

Standard external pressure test

Verifies structural quality and checks for leaks at thermowell process connection and stem

Extended external pressure test Same as standard external pressure test but tested twice as long

Hydrostatic internal pressure test

68
69 Ref. page

 Q85 Standard internal pressure test Verify internal structural integrity of thermowell  Q86 Extended internal pressure test Same as standard internal pressure test but tested twice as long
Canadian Registration Number

69
70
Ref. page

Q17 Canadian Registration Number Canadian approvals for all provinces (Approved materials in reference section) 70

Dye penetration test

Ref. page

 Q73 Dye penetration test

Checks quality of material

70

Wall thickness test

Ref. page

Q83 Ultrasonic test

Checks the bore concentricity of the thermowell

71

Q84 Radiography (X-ray) test

Checks the bore concentricity of the thermowell

72

Special cleaning

Ref. page

Q6 Special cleaning

Oxygen enriched environment cleaning per ASTM G93

71

Thermowell markings

Ref. page

R40 Test markings on thermowell

External marking of the thermowell for specific tests (see reference page for list of tests)

71

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Table 1. Rosemount 114C Threaded Ordering Information
The starred offerings () represent the most common options and should be selected for best delivery. The non-starred offerings are subject to additional delivery lead time.

Plug and chain

Ref. page

R06 Stainless steel

Protects thermowell threads when sensor is not installed

73

R23 Brass

Protects thermowell threads when sensor is not installed

73

Spherical tip

Ref. page

R60 Spherical tip

Changes the flat tip to spherical

72

Vent hole

Ref. page

R11 Vent hole Thermowells with wrench flats

Allows for the venting of a thermowell and for indication that thermowell structural integrity has been compromised

73
Ref. page

R37

Thermowells with wrench flats

Converts the two wrench flats to hex wrench flats; only applies to exotic materials

79

A Root diameter (A)

Ref. page

x.xx-in., 0.36 to 3.15-in. in 0.01-in. increments (when ordered with dimension units code E) Axxx
Examples: Code A040 = 0.4-in., Code A315 = 3.15-in.
xx.xx mm, 10 to 80 mm in 0.5 mm increments (when ordered with dimension units code M) Axxx
Examples: Code A100 = 10.0 mm, Code A755 = 75.5 mm
B Tip diameter (B)

x.xx-in., 0.36 to 1.83-in. in 0.01-in. increments (when ordered with dimension units code E) Bxxx
Examples: Code B040 = 0.4-in., Code B180 = 1.80-in.
xx.xx mm, 10 to 46 mm in 0.5-mm. increments (when ordered with dimension units code M) Bxxx
Examples: Code B100 = 10.0 mm, Code B455 = 45.5 mm

Non-standard bore diameter (d)

Details

Image

D01 0.276-in./7.0 mm
d
D03 0.138-in./3.5 mm

D04 0.386- in./9.8 mm

Default = 0.26-in. (6.6 mm)

D05 0.354-in./9.0 mm

D06 0.433-in./11.0 mm

80
80
Ref. page
81
81
Ref. page
82 82 82 82 82

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Table 1. Rosemount 114C Threaded Ordering Information
The starred offerings () represent the most common options and should be selected for best delivery. The non-starred offerings are subject to additional delivery lead time.

Non-standard tip thickness (t)

Ref. page

T01 0.197-in./5.0 mm

82

Default = 0.25-in. (6.4 mm)

T02 0.236-in./6.0 mm

82

t

Threaded installation
Threaded thermowells are screwed into the process using a threaded fitting or directly into a tapped pipe if there is sufficient wall thickness. Tapered threads will deform to each other to create a seal. Thread sealant and appropriate torque should be applied to reduce risk of leaks.
Figure 5. Installation Components
A

B

C

C

D

A. Thermowell B. Threaded fitting C. Weld D. Process

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Threaded thermowell drawings

Figure 6. Thread Mount Thermowell Drawings (Tapered Thread)(1)

Straight

Tapered

E

N

.75 (19)

H P

A

A

C d
U

Stepped
A

June 2019

t
A. Root diameter B. Tip diameter C. Total length (U + H) E. Wrench allowance F. Thread allowance H. Head length

2.5 (63.5)

B

B

N. Instrument connection P. Process connection U. Immersion length d. Bore diameter t. Tip thickness

Table 2. Thread Mount Thermowells (Tapered Thread)(1)

Code T, threaded
mounting style Code
Process
connection "P"

Wrench flat size "G"

Metric units English units

(code M)

(code E)

Root diameter Root diameter stepped stem tapered stem

Tip diameter tapered stem

Root diameter straight stem

Thread specification

AA

1/2­14 NPT

AB

3/4­14 NPT

AC

1­11.5 NPT

AD

11/2­11.5 NPT

AE

1/2-in. BSPT

AF

3/4-in. BSPT

AG

1-in. BSPT

1.18 (30) 1.18 (30) 1.34 (34) 1.89 (48) 1.18 (30) 1.18 (30) 1.34 (34)

11/8 (28.6) 11/8 (28.6) 11/4 (31.8) 13/4 (44.5) 11/8 (28.6) 11/8 (28.6) 11/4 (31.8)

0.67 (17) 0.75 (19) 0.85 (21.5) 0.85 (21.5) 0.67 (17) 0.75 (19) 0.85 (21.5)

0.67 (17) 0.89 (22.5) 1.04 (26.5) 1.04 (26.5) 0.67 (17) 0.89 (22.5) 1.04 (26.5)

0.50 (12.7) 0.63 (16) 0.71 (18) 0.71 (18) 0.50 (12.7) 0.63 (16) 0.71 (18)

0.669 (17) 0.71 (18) 0.71 (18) 0.71 (18) 0.669 (17) 0.71 (18) 0.71 (18)

NPT per SAE -AS 71051
(reference PS-71)
THD per ISO 7/1 (BS 21)

1. Dimensions are in inches (millimeters).

1. Total length = U+ H.
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Figure 7. Thread Mount Thermowell Drawings (Parallel Thread)(1)

Straight

Tapered

N

H P

A A

CU

d

Stepped
A F

t
A. Root diameter B. Tip diameter C. Total length (U + H) F. Hex size H. Head length

2.50 [63,5] STEP LENGTH

B

B

N. Instrument connection P. Process connection U. Immersion length d. Bore diameter t. Tip thickness

Table 3. Thread Mount Thermowells (Parallel Thread)(1)

Code T, threaded mounting

Code

style

Process connection "P"

Hex size "F"

Root diameter stepped stem

DA

M20  1.5

DB

M24  1.5

DC

M27  2

DD

M33  2

DE

1/2-in. BSPF (G1/2)

DF

3/4-in. BSPF (G3/4)

DG

1-in. BSPF (G1)

1.18 (30) 1.18 (30) 1.26 or 1.42 (32 or 36) 1.61 (41) 1.06 (27) 1.26 (32) 1.61 (41)

0.67 (17) 0.75 (19) 0.75 (19) 0.85 (21.5) 0.67 (17) 0.75 (19) 0.85 (21.5)

1. Dimensions are in inches (millimeters).

Root diameter tapered stem

Tip diameter tapered stem and straight stem

Thread specification

0.67 (17) 0.75 (19) 0.75 (19) 1.04 (26.5) 0.67 (17) 0.75 (19) 1.04 (26.5)

0.5 (12.7) 0.5 (12.7) 0.5 (12.7) 0.71 (18) 0.5 (12.7) 0.5 (12.7) 0.71 (18)

Thread per BS3643
Thread per ISO 228/1 (BS 2779)

Note Hex size will be different depending on units selected (english and metric). Wrench flats are used on exotic materials instead of hex flats. For hex flats on exotic materials, select option R37. Additional root and tip diameters available.

1. Total length = U+ H.

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Rosemount 114C Flanged Thermowells

June 2019

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Rosemount 114C

Flanged thermowell overview

All Rosemount flanged thermowells are manufactured in accordance with ANSI B16.5. The flange to stem weld is in accordance to ASME Section IX. There is also full traceability with material certifications available on request. Rosemount flanged thermowells are available in two manufacturing configurations: full and partial penetration welds.

Full penetration weld (F)

Partial penetration weld (P)

Forged, no welds (G)

 Stronger weld joint per ASME PTC 19.3 TW
 Used for heavy duty applications

 Adequate for most process applications
 Weld withstands same pressure and temperature rating as flange

 Highest fatigue resistance per ASME PTC 19.3 TW
 Eliminates weld qualifications and failures

 Emerson recommended option

 Lower cost than full penetration weld  Used in extreme process applications

Figure 8. Standard Offering­Flanged

Model 114C

Units X

Immersion Mounting Process length (U) style connection

XXXX

X

XX

1234

5

6789

10

11 12

Stem style
X
13

Thermowell material XX
14 15

Head length (H)
XXX

Instrument connection threads
X

Options XX, XXX, XX

16 17 18

19

(5) Units
English (E) Metric (M)
(6-9) Immersion length (U) XXXX 0.5in to 42in (E)
Example: 0.5in=0005, 42in=0420 XXXX 25mm to 1165mm (M) Example: 25mm=0025, 1165mm=1165

(10) Mounting style
F Full penetration weld P Partial penetration
weld G Forged, no welds

(13) Stem style

1

Straight stem

2

Tapered stem

3

Stepped stem

(16-18) Head length (H)
XXX 2.25in to 11.25in (E) Example: 2.25in=022, 10in=100
XXX 40mm to 225mm (M) Example: 40mm=040, 225mm=225

Common options
Q5 External pressure test Q35 NACE certification R21 Wake frequency
calculation Q8 Material certification Q73 Dye penetration test

(11-12) Process connections

AA

1-in. Class 150

AB

1½-in. Class 150

AC

2-in. Class 150

AH

1-in. Class 300

AJ

1½-in. Class 300

AK

2-in. Class 300

(14-15) Thermowell material

SC

316/316L SST

SF

304/304L SST

CS

Carbon steel

(19) Instrument connection

A

½-14 NPT

B

½-14 NPSM

D

M18 x 1.5p

E

M20 x 1.5p

F

M24 x 1.5p

The common options shown in Figure 8 represent a partial offering; reference the Rosemount 114C Flanged Ordering Information for a full list of available options.

Figure 9. Flanged Thermowell Components

H

U

A B
A. Instrument connection B. Process connection

H. Head length U. Immersion length

Note Wetted surface includes flange face and immersion length (U).

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Rosemount 114C

June 2019

Use the form below to record your model code:

Model

Units

Immersion length (U)

Mounting style

Process connection

Stem style

Thermowell material

Head length (H)

Instrument connection

Options

114C

1234

5

6 through 9

10

11 and 12

13

14 and 15

16 through 18

19

X X X X X

20

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Rosemount 114C

Flanged ordering information

Figure 10. Model Number Ordering Example

Model

Units

Immersion length (U)

Mounting style

Process connection

Stem style

Thermowell material

Head length (H)

Instrument connection

Options

114C E 0150

F

AC 1 S C 050

A

WR5, Q76...

1234

5

6789

10

11 12

13

14 15

16 17 18

19

X X X X X

The numbers below the model number ordering example correlate to the character place numbers in the second column of the ordering table.

Table 4. Rosemount 114C Flanged Ordering Information

The starred offerings () represent the most common options and should be selected for best delivery. The non-starred offerings are subject to additional delivery lead time.

Place #s 1-4

Model

Details

Ref. page

 114C Barstock temperature thermowell

Made with a standard bore diameter of 0.26-in. (6.6 mm) and tip

wall thickness of 0.25-in. (6.4 mm). Default ASME flange facing is raised face with spiral serrations.

N/A

Default EN 1092-1 flange facing is raised face Type B1.

Place # 5

Dimension units

Ref. page

E M

English units (in.) Metric units (mm)

Specifies whether length units will be in inches (in) or

59

millimeters (mm)

59

U

Place # 6-9

Immersion length (U)

Ref. page

xx.x-in., 1 to 100-in. in 1/4-in. increments (when ordered with dimension units code E)  xxxx
Example of a 6.25-in. length where the second decimal is dropped off: 0062

xxxx mm, 25 to 2500 mm in 5 mm increments (when ordered with dimension units code M)  xxxx
Example of a 25 mm length: 0025

Place # 10

Mounting style

P F

Flange, partial penetration weld Flange, full penetration weld

Weld refers to welding of the flange to thermowell stem

G Flange, forged

Single piece forging, no welds

59
59
Ref. page N/A N/A N/A

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Table 4. Rosemount 114C Flanged Ordering Information

The starred offerings () represent the most common options and should be selected for best delivery. The non-starred offerings are subject to additional delivery lead time.

Place #s 11-12

Process connection

Details

Ref. page

Partial weld (P)

Full penetration weld (F) Forged, no welds (G)

 AA 1-in. Class 150

1-in. Class 150

1-in. Class 150

N/A

 AB 11/2-in. Class 150

11/2-in. Class 150

11/2-in. Class 150

N/A

 AC 2-in. Class 150

2-in. Class 150

2-in. Class 150

N/A

 AD 3-in. Class 150

3-in. Class 150

3-in. Class 150

N/A

 AE 4-in. Class 150

4-in. Class 150

4-in. Class 150

N/A

 AF 6-in. Class 150

6-in. Class 150

6-in. Class 150

N/A

 AG 3/4-in. Class 300

3/4-in. Class 300

3/4-in. Class 300

N/A

 AH 1-in. Class 300

1-in. Class 300

1-in. Class 300

N/A

 AJ 11/2-in. Class 300

11/2-in. Class 300

11/2-in. Class 300

N/A

 AK 2-in. Class 300

2-in. Class 300

2-in. Class 300

N/A

AL 1-in. Class 400/600

1-in. Class 400/600

1-in. Class 400/600

N/A

AM 11/2-in. Class 400/600

11/2-in. Class 400/600

11/2-in. Class 400/600

N/A

AN 2-in. Class 400/600

2-in. Class 400/600

2-in. Class 400/600

N/A

AP N/A

1-in. Class 900/1500

1-in. Class 900/1500

N/A

AQ N/A

11/2-in. Class 900/1500

11/2-in. Class 900/1500

N/A

AR N/A

2-in. Class 900/1500

2-in. Class 900/1500

N/A

AT N/A

11/2-in. Class 2500

11/2-in. Class 2500

N/A

AU N/A

2-in. Class 2500

2-in. Class 2500

N/A

AV 3-in. Class 300

3-in. Class 300

3-in. Class 300

N/A

FA DN 20/PN 2.5/6

DN 20/PN 2.5/6

N/A

N/A

FE DN 20/PN 10/16/25/40

DN 20/PN 10/16/25/40

N/A

N/A

FG DN 20/PN 63/100

DN 20/PN 63/100

N/A

N/A

GA DN 25/PN 2.5/6

DN 25/PN 2.5/6

N/A

N/A

GE DN 25/PN 10/16/25/40

DN 25/PN 10/16/25/40

N/A

N/A

GG DN 25 PN 63/100

DN 25/PN 63/100

N/A

N/A

JA DN 40/PN 2.5/6

DN 40/PN 2.5/6

N/A

N/A

JE DN 40/PN 10/16/25/40

DN 40/PN 10/16/25/40

N/A

N/A

JG DN 40/PN 63/100

DN 40/PN 63/100

N/A

N/A

KA DN 50/PN 2.5/6

DN 50/PN 2.5/6

N/A

N/A

KC DN 50/PN 10/16

DN 50/PN 10/16

N/A

N/A

KE DN 50/PN 25/40

DN 50/PN 25/40

N/A

N/A

KF DN 50/PN 63

DN 50/PN 63

N/A

N/A

22

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Rosemount 114C

Table 4. Rosemount 114C Flanged Ordering Information

The starred offerings () represent the most common options and should be selected for best delivery. The non-starred offerings are subject to additional delivery lead time.

Place #s 11-12

Process connection

Details

Ref. page

Partial weld (P)

Full penetration weld (F) Forged, no welds (G)

KG DN 50/PN 100

DN 50/PN 100

N/A

N/A

LA DN 65/PN 2.5/6

DN 65/PN 2.5/6

N/A

N/A

LC DN 65/PN 10/16

DN 65/PN 10/16

N/A

N/A

LE DN 65/PN 24/40

DN 65/PN 24/40

N/A

N/A

LF DN 65/PN 63

DN 65/PN 63

N/A

N/A

LG DN 65/PN 100

DN 65/PN 100

N/A

N/A

MA DN 80/PN 2.5/6

DN 80/PN 2.5/6

N/A

N/A

MC DN 80/PN 10/16

DN 80/PN 10/16

N/A

N/A

ME DN 80/PN 25/40

DN 80/PN 25/40

N/A

N/A

MF DN 80/PN 63

DN 80/PN 63

N/A

N/A

MG DN 80/PN 100

DN 80/PN 100

N/A

N/A

NA DN 100/PN 2.5/6

DN 100/PN 2.5/6

N/A

N/A

NC DN 100/PN 10/16

DN 100/PN 10/16

N/A

N/A

NE DN 100/PN 25/40

DN 100/PN 25/40

N/A

N/A

NF DN 100/PN 63

DN 100/PN 63

N/A

N/A

NG DN 100/PN 100

Place # 13

Stem style

DN 100/PN 100 Details

N/A Image

N/A
Ref. page

1

Straight

Minimum immersion length = 1-in. (25 mm)

60

2

Tapered

Minimum immersion length = 1-in. (25 mm)

60

3

Stepped

Emerson.com/Rosemount

Minimum immersion length = 3-in. (75 mm)

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June 2019

Table 4. Rosemount 114C Flanged Ordering Information

The starred offerings () represent the most common options and should be selected for best delivery. The non-starred offerings are subject to additional delivery lead time.

Place #s 14-15

Thermowell material

Details

Ref. page

 SC 316/316L dual rated

61

SD 316/316L dual rated (NORSOK)

Must order the Q8 Material Certificate to get NORSOK documentation

62

 SF 304/304L dual rated

61

 CS Carbon steel (A-105)

61

SG 316Ti SST SH 316/316L SST with tantalum sheath SJ 316/316L SST with PFA coating

61

Only available as a straight stem profile with a 0.75 diameter thus requires option A075 for English units

62

61

SK 304/304L SST with PTFE coating

61

SL 310 SST

61

SM 321 SST

61

SN 321H SST

61

SR 904L SST

61

SP 347 SST

61

AB Alloy B3

61

AC Alloy C-276

61

AD Alloy C-4 (with 304/304L SST flange)

Not available with G (Fully forged) mounting style

61

AE Alloy C-22 (with 304/304L SST flange) Not available with G (Fully forged) mounting style

61

AF Alloy C-22 (with 316/316L SST flange) Not available with G (Fully forged) mounting style

61

AG Alloy 20

61

AH Alloy 400

61

AJ Alloy 400 (with 304/304L SST flange)

Not available with G (Fully forged) mounting style

61

AK Alloy 600

61

AL Alloy 600 (with 304/304L SST flange)

Not available with G (Fully forge) mounting style

61

AM Alloy 601

61

AN Alloy 625

61

AP Alloy 800

61

AQ Alloy 800H/HT

61

AR Alloy 825

61

AU Alloy C-20

61

AS Alloy F44 Mo6

61

CA Chrome-Moly Grade B-11/F-11 Class II

61

CB Chrome-Moly Grade B-22/ F-22 Class III

61

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Rosemount 114C

Table 4. Rosemount 114C Flanged Ordering Information

The starred offerings () represent the most common options and should be selected for best delivery. The non-starred offerings are subject to additional delivery lead time.

CC Chrome-Moly Grade F-91

61

NK Nickel 200

61

TT Titanium Grade 2

61

DS Super duplex SST Grade F-53

DT Super duplex ­ NORSOK

DU Duplex 2205 Grade F51

DV Duplex 2205 ­ NORSOK

Place #s 16-18

Head length (H)

Must order the Q8 Material Certificate to get NORSOK documentation
Must order the Q8 Material Certificate to get NORSOK documentation

61 62 61 62 Ref. page

xx.x-in., 2.25 to 11.25-in. in 1/4-in. increments (when ordered with dimension units code E)

 xxx Example of a 6.25-in. length where the second decimal is dropped off: 062 (default head length = 2.25-in. for

63

flanges under Class 900)

xxx mm, 45 to 225 mm in 5 mm increments (when ordered with dimension units code M)

 xxx

63

Example of a 50 mm length: 050 (default head length = 60 mm for flanges under Class 900)

Place # 19

Instrument connection

Details

Image

Ref. page

A

1/2­14 NPT

64

B

1/2­14 NPSM

64

C

3/4­14 NPT

64

D M18  1.5p

64

E

M20  1.5p

64

Female threads

F

M24  1.5p

64

G

G 1/2-in. (BSPF)

64

H

G 3/4-in. (BSPF)

64

J

M27  2p

64

K

M14  1.5p

64

Options (include with selected model number)

Sensor/thermowell assemble to options

 XT  XW

Hand tight assembly of sensor and thermowell
Process-ready assembly of sensor and thermowell

Details

Ref. page

Ensures sensor is threaded into thermowell but only hand tightened 65

Ensures sensor is threaded into thermowell and torqued for process-ready installation

65

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Table 4. Rosemount 114C Flanged Ordering Information

The starred offerings () represent the most common options and should be selected for best delivery. The non-starred offerings are subject to additional delivery lead time.

Extended product warranty

Ref. page

 WR3 3-year limited warranty  WR5 5-year limited warranty

This warranty option extends manufacturer's warranty to three or 65

five years for manufacturer related defects

65

Thermowell calculation  R21 Thermowell calculation NACE certification

Details

Ref. page

Set of calculations to ensure thermowells are safe in certain process conditions Note: If your chosen mounting style is flange with full penetration weld (F) then 65
you must choose dye penetration option (Q73) to meet the ASME PTC 19.3 TW standard requirements.

Ref. page

 Q35 NACE certification

Meets MR0175/ISO 15156 and MR0103 requirements

66

PMI testing

Ref. page

Q76 PMI testing

Verifies chemical composition of material

66

Material certification  Q8 Material certification Material tests
M01 Low temperature Charpy Test M02 Ultrasonic material test

Ref. page

Certificate for material conformance and traceability in accordance with EN 10204 type 3.1

67

Ref. page

Measures the low temperature ductility of the material. This option drives a different weld documentation.

67

Examination of steel forgings for flaws and inclusions

67

Surface finish

Ref. page

Q16 Certification

Certificate showing measured surface finish values

68

R14 Finish < Ra 0.3 m (12 in)

Improves surface roughness of thermowell

68

Electropolish

Ref. page

R20 Electropolish Hydrostatic external pressure test

 Q5  Q9

Standard external pressure test Extended external pressure test

Hydrostatic internal pressure test

Improve smoothness and surface quality

68

Ref. page

Verifies structural quality and checks for leaks at thermowell process connection and stem

68

Same as standard external pressure test but tested for twice as long 69

Ref. page

 Q85 Standard internal pressure test

Verifies internal structural integrity of thermowell

69

 Q86 Extended internal pressure test

Same as standard internal pressure test but tested for twice as long 70

26

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Rosemount 114C

Table 4. Rosemount 114C Flanged Ordering Information

The starred offerings () represent the most common options and should be selected for best delivery. The non-starred offerings are subject to additional delivery lead time.

Canadian Registration Number

Ref. page

Q17 Canadian Registration Number

Canadian approvals for all provinces (Approved materials in reference section)

70

Dye penetration test

Ref. page

 Q73 Dye penetration test Wall thickness test

Checks quality of welds and material

70
Ref. page

Q83 Ultrasonic test

Checks the bore concentricity of the thermowell

71

Special cleaning

Ref. page

Q6 Special cleaning

Oxygen enriched environment cleaning per ASTM G93

71

Thermowell markings R40 Test markings on thermowell
Phased array test Q80 Phased array test
X-ray/radiograph test

External marking of the thermowell for specific tests (see reference page for list of tests)
Verifies the quality of full penetration flange welds using ultrasonic technology

Ref. page
71
Ref. page
72
Ref. page

Q81 X-ray/radiograph

Verifies quality of full penetration flange welds

72

Flange welding documentation

Q66 Procedure Qualification Records (PQR)

Q67

Welder Performance Qualifications (WPQ)

Q68 Welding Procedure Specifications (WPS)

Spherical tip

A record of a test weld performed and tested rigorously to ensure that the procedure will produce good weld.
A test certificate that shows whether a welder possesses the necessary experience and knowledge to perform the specifications of a particular weld procedure.
A formal written document that describes and provides direction to a welder or welding operator for making sound and quality production welds per code requirement.

Ref. page
72
72
72 Ref. page

R60 Spherical tip

Changes the flat tip to spherical

72

Plug and chain

Ref. page

R06 Stainless steel R23 Brass

73 Protects thermowell threads when sensor is not installsed
73

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Rosemount 114C

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Table 4. Rosemount 114C Flanged Ordering Information

The starred offerings () represent the most common options and should be selected for best delivery. The non-starred offerings are subject to additional delivery lead time.

Vent hole

Ref. page

R11 Vent hole

Allows for the venting of a thermowell

73

Flange face

Ref. page

R09 Concentric serrations

Concentric serrations on flange face per ASME B16.5

74

R10 Flat

Flat flange face per ASME B16.5 or EN 1092-1 facing Type A

74

R15 Raised face, Type B2

Raise face per EN 1092-1 facing Type B2

75

R16 RTJ

Ring type joint flange face per ASME B16.5

76

R18 Groove, Type D

Groove, Type D per EN 1092-1

76

R19 Tongue, Type C

Tongue, Type C per EN 1092-1

77

R24 Spigot, Type E

Spigot Type E per EN 1092-1

78

R25 Recess, Type F

Recess Type F per EN 1092-1

78

Root diameter (A)

A Ref. page

x.xx-in., 0.36 to 3.15-in. in 0.01-in. increments (when ordered with dimension units code E) Axxx
Examples: Code A040 = 0.4-in., Code A315 = 3.15-in.
x.xx mm, 10 to 80 mm in 0.5 mm increments (when ordered with dimension units code M) Axxx
Examples: Code A100 = 10.0 mm, Code A755 = 75.5 mm
B Tip diameter (B)

80 80
Ref. page

x.xx-in., 0.36 to 1.83-in. in 0.01-in. increments (when ordered with dimension units code E)

Bxxx

81

Examples: Code B040 = 0.4-in., Code B180 = 1.80-in.

xx.x mm, 10 to 46 mm in 0.5 mm increments (when ordered with dimension units code M)

Bxxx

81

Examples: Code B100 = 10.0 mm, Code B455 = 45.5 mm

28

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Rosemount 114C

Table 4. Rosemount 114C Flanged Ordering Information

The starred offerings () represent the most common options and should be selected for best delivery. The non-starred offerings are subject to additional delivery lead time.

Non-standard bore diameter (d)

Details

Image

Ref. page

D01 0.276-in./7.0 mm D03 0.138-in./3.5 mm

82

d

82

D04 0.386-in./9.8 mm

Standard = 0.26-in. (6.6 mm)

82

D05 0.354-in./9.0 mm

82

D06 0.433-in./11.0 mm

82

Non-standard tip thickness (t)

Details

Image

Ref. page

T01 0.197-in./5.0 mm

82

T02 0.236-in./6.0 mm Fillet Radius (e)

Standard = 0.25-in. (6.4 mm) t

Details

Image

82
Ref. page

E03 0.118-in./3 mm

E05 0.197-in./5 mm

Standard = 0.157-in. (4 mm)

83

e
Flanged installation
Flanged thermowells are bolted to a mating flange which protrudes from the process. It is important to select appropriate gasket for the process conditions, to provide a seal between the flange faces. The Rosemount 114C Thermowells come standard with a raised face and spiral serrations designed per the ASME B16.5 standard. These should be installed with an inside bolt circle (IBC) gasket/ring gasket, which extends to and is centered by the bolts. Other flange face options are available.
Figure 11. Installation Components
A B C

D

E
A. Thermowell B. Bolt/washers C. Ring gasket D. Nozzle and mating flange E. Process

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Rosemount 114C

Flanged thermowell drawings

Figure 12. Flange Mounted Thermowell Drawings(1) Straight
N

H

C

Tapered

A

A

e

d

E

U

June 2019 Stepped
A

t
A. Root diameter B. Tip diameter C. Lap flange E. Total length (U + H) H. Head length

B

B

N. Instrument connection U. Immersion length d. Bore diameter e. Fillet radius t. Tip thickness

1. Total length = U+H.
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Table 5. Flange Mounted Thermowells(1)

Code

Process connection

Code P, flanged, partial penetration
weld

Code F, flanged, full penetration weld

Code G, flanged, forged/no welds

Root diameter stepped
stem

Root diameter tapered stem

Tip diameter tapered stem

Tip diameter straight stem

Flanges per specification

AA

1-in. Class 150

AB

11/2-in. Class 150

1-in. Class 150 11/2-in. Class 150

1-in. Class 150 11/2-in. Class 150

19 (.748) 21.5 (.846)

AC

2-in. Class 150

2-in. Class 150

2-in. Class 150

21.5 (.846)

AD

3-in. Class 150

3-in. Class 150

3-in. Class 150

21.5 (.846)

AE

4-in. Class 150

4-in. Class 150

4-in. Class 150

21.5 (.846)

AF

6-in. Class 150

AG

3/4-in. Class 300

6-in. Class 150 3/4-in. Class 300

6-in. Class 150 3/4-in. Class 300

21.5 (.846) 17 (.669)

AH

1-in. Class 300

AJ

11/2-in. Class 300

1-in. Class 300 11/2-in. Class 300

1-in. Class 300 11/2-in. Class 300

19 (.748) 21.5 (.846)

AK

2-in. Class 300

2-in. Class 300

2-in. Class 300

21.5 (.846)

AL 1-in. Class 400/600

1-in. Class 400/600

1-in. Class 400/600

19 (.748)

AM 11/2-in. Class 400/600 11/2-in. Class 400/600 11/2-in. Class 400/600 21.5 (.846)

AN 2-in. Class 400/600

2-in. Class 400/600

2-in. Class 400/600 21.5 (.846)

AP

N/A

1-in. Class 900/1500 1-in. Class 900/1500 19 (.748)

AQ

N/A

11/2-in. Class 900/1500

11/2-in. Class 900/1500

21.5 (.846)

AR

N/A

2-in. Class 900/1500 2-in. Class 900/1500 21.5 (.846)

AT

N/A

11/2-in. Class 2500

11/2-in. Class 2500 21.5 (.846)

AU

N/A

2-in. Class 2500

2-in. Class 2500

21.5 (.846)

AV

3-in. Class 300

3-in. Class 300

3-in. Class 300

21.5 (.846)

FA

DN 20/PN 2.5/6

DN 20/PN 2.5/6

DN 20/PN 2.5/6

17 (.669)

FE

DN 20/PN 10/16/25/40

DN 20/PN 10/16/25/40

DN 20/PN 10/16/25/40

17 (.669)

FG

DN 20/PN 63/100

DN 20/PN 63/100

DN 20/PN 63/100

17 (.669)

GA

DN 25/PN 2.5/6

DN 25/PN 2.5/6

DN 25/PN 2.5/6

19 (.748)

GE

DN 25/PN 10/16/25/40

DN 25/PN 10/16/25/40

DN 25/PN 10/16/25/40

19 (.748)

GG

DN 25 PN 63/100

DN 25 PN 63/100

DN 25/PN 63/100

19 (.748)

GH

DN 25/PN 160

DN 25/PN 160

DN 25/PN 160

19 (.748)

GJ

DN 25/PN 250

DN 25/PN 250

DN 25/PN 250

19 (.748)

GK

DN 25/PN 320

DN 25/PN 320

DN 25/PN 320

19 (.748)

GL

DN 25/PN 400

DN 25/PN 400

DN 25/PN 400

19 (.748)

JA

DN 40/PN 2.5/6

DN 40/PN 2.5/6

DN 40/PN 2.5/6

21.5 (.846)

JE

DN 40/PN 10/16/25/40

DN 40/PN 10/16/25/40

DN 40/PN 10/16/25/40

21.5 (.846)

JG

DN 40/PN 63/100

DN 40/PN 63/100

DN 40/PN 63/100 21.5 (.846)

JH

DN 40/PN 160

DN 40/PN 160

DN 40/PN 160

21.5 (.846)

JJ

DN 40/PN 250

DN 40/PN 250

DN 40/PN 250

21.5 (.846)

JK

DN 40/ PN 320

DN 40/ PN 320

DN 40/ PN 320

21.5 (.846)

JL

DN 40/PN 400

DN 40/PN 400

DN 40/PN 400

21.5 (.846)

KA

DN 50/PN 2.5/6

DN 50/PN 2.5/6

DN 50/PN 2.5/6

21.5 (.846)

KC

DN 50/PN 10/16

DN 50/PN 10/16

DN 50/PN 10/16

21.5 (.846)

KE

DN 50/PN 25/40

DN 50/PN 25/40

DN 50/PN 25/40

21.5 (.846)

KF

DN 50/PN 63

DN 50/PN 63

DN 50/PN 63

21.5 (.846)

KG

DN 50/PN 100

DN 50/PN 100

DN 50/PN 100

21.5 (.846)

KH

DN 50/PN 160

DN 50/PN 160

DN 50/PN 160

21.5 (.846)

22.5 (.886) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043)
17 (.669) 22.5 (.886) 26.5 (1.043) 26.5 (1.043) 22.5 (.886) 26.5 (1.043) 26.5 (1.043) 22.5 (.886)
26.5 (1.043)
26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043)
17 (.669)
17 (.669)
17 (.669) 19 (.748)
19 (.748)
19 (.748) 19 (.748) 19 (.748) 19 (.748) 19 (.748) 26.5 (1.043)
26.5 (1.043)
26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043)

16 (.630) 18 (.709) 18 (.709) 18 (.709) 18 (.709) 18 (.709) 12.5 (.495) 16 (.630) 18 (.709) 18 (.709) 16 (.630) 18 (.709) 18 (.709) 16 (.630)
18 (.709)
18 (.709) 18 (.709) 18 (.709) 18 (.709) 12.7 (.500)
12.7 (.500)
12.7 (.500) 12.7 (.500)
12.7 (.500)
12.7 (.500) 12.7 (.500) 12.7 (.500) 12.7 (.500) 12.7 (.500) 18 (.709)
18 (.709)
18 (.709) 16 (.630) 18 (.709) 18 (.709) 18 (.709) 18 (.709) 18 (.709) 18 (.709) 18 (.709) 18 (.709) 18 (.709)

19 (.748) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 17 (.669) 19 (.748) 21.5 (.846) 21.5 (.846) 19 (.748) 21.5 (.846) 21.5 (.846) 19 (.748)
21.5 (.846)
21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 17 (.669)
17 (.669)
17 (.669) 19 (.748)
19 (.748)
19 (.748) 19 (.748) 19 (.748) 19 (.748) 19 (.748) 21.5 (.846)
21.5 (.846)
21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846)

ASME B16.5
EN 1092-1

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Table 5. Flange Mounted Thermowells(1)
Process connection

Code

Code P, flanged, partial penetration
weld

Code F, flanged, full penetration weld

Code G, flanged, forged/no welds

KJ

DN 50/PN 250

KK

DN 50/PN 320

KL

DN 50/PN 400

LA

DN 65/PN 2.5/6

LC

DN 65/PN 10/16

LE

DN 65/PN 24/40

LF

DN 65/PN 63

LG

DN 65/PN 100

LH

DN 65/PN 160

LJ

DN 65/PN 250

LK

DN 65/PN 320

LL

DN 65/PN 400

MA

DN 80/PN 2.5/6

MC

DN 80/PN 10/16

ME

DN 80/PN 25/40

MF

DN 80/PN 63

MG

DN 80/PN 100

MH

DN 80/PN 160

MJ

DN 80/PN 250

MK

DN 80/PN 320

ML

DN 80/PN 400

NA

DN 100/PN 2.5/6

NC

DN 100/PN 10/16

NE

DN 100/PN 25/40

NF

DN 100/PN 63

NG

DN 100/PN 100

DN 50/PN 250 DN 50/PN 320 DN 50/PN 400 DN 65/PN 2.5/6 DN 65/PN 10/16 DN 65/PN 24/40 DN 65/PN 63 DN 65/PN 100 DN 65/PN 160 DN 65/PN 250 DN 65/PN 320 DN 65/PN 400 DN 80/PN 2.5/6 DN 80/PN 10/16 DN 80/PN 25/40 DN 80/PN 63 DN 80/PN 100 DN 80/PN 160 DN 80/PN 250 DN 80/PN 320 DN 80/PN 400 DN 100/PN 2.5/6 DN 100/PN 10/16 DN 100/PN 25/40 DN 100/PN 63 DN 100/PN 100

DN 50/PN 250 DN 50/PN 320 DN 50/PN 400 DN 65/PN 2.5/6 DN 65/PN 10/16 DN 65/PN 24/40 DN 65/PN 63 DN 65/PN 100 DN 65/PN 160 DN 65/PN 250 DN 65/PN 320 DN 65/PN 400 DN 80/PN 2.5/6 DN 80/PN 10/16 DN 80/PN 25/40 DN 80/PN 63 DN 80/PN 100 DN 80/PN 160 DN 80/PN 250 DN 80/PN 320 DN 80/PN 400 DN 100/PN 2.5/6 DN 100/PN 10/16 DN 100/PN 25/40 DN 100/PN 63 DN 100/PN 100

Root diameter stepped
stem

Root diameter tapered stem

Tip diameter tapered stem

Tip diameter straight stem

Flanges per specification

21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846)

26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043) 26.5 (1.043)

18 (.709) 18 (.709) 18 (.709) 18 (.709) 18 (.709) 18 (.709) 18 (.709) 18 (.709) 18 (.709) 18 (.709) 18 (.709) 18 (.709) 18 (.709) 18 (.709) 18 (.709) 18 (.709) 18 (.709) 18 (.709) 18 (.709) 18 (.709) 18 (.709) 18 (.709) 18 (.709) 18 (.709) 18 (.709) 18 (.709)

21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846) 21.5 (.846)

EN 1092-1

1. Dimensions are in millimeters (inches).

Table 6. External Pressure Test­EN 1092-1

EN 1092-1 flanged thermowells

Nominal pressure (bar)

Test pressure (bar)

16

40

40

100

100

250

Test to 2.5 nominal pressure rating

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June 2019
Rosemount 114C Van Stone Thermowells

Rosemount 114C

Emerson.com/Rosemount

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Rosemount 114C

June 2019

Van Stone thermowell overview

Van Stone/lap Joint thermowells are mounted between the mating flange and lap joint flange. This unique design enables thermowell designers to specify thermowell flange materials different than the thermowell stem material; flanges are easily replaceable. These thermowells allow use of different thermowell materials for the flange contacting the process and overlaying flange which can save material and manufacturing costs. They are a good choice for corrosive applications, because there are no welds so weld-joint corrosion is eliminated. The Emerson standard for the Van Stone thermowell is a raised face style made of carbon steel. Other styles and flange materials are also available.
The standard offering figure below shows the thermowell configurations that can typically be shipped in two weeks or less.

Figure 13. Standard Offering­Van Stone

Model 114C

Units X

Immersion Mounting Process length (U) style connection

XXXX

V

XX

1234

5

6789

10

11 12

Stem style
X
13

Thermowell material XX
14 15

Head length (H) XXX
16 17 18

Instrument

Options

connection threads

X

XX, XXX, XX

19

(5) Units
English (E) Metric (M)
(6-9) Immersion length (U)
XXXX 0.5in to 42in (E) Example: 0.5in=0005, 42in=0420
XXXX 25mm to 1165mm (M) Example: 25mm=0025, 1165mm=1165

(10) Mounting style Van Stone (V)

(13) Stem style

1

Straight stem

2

Tapered stem

3

Stepped stem

(16-18) Head length (H)

XXX XXX

2.25in to 11.25in (E) Example: 2.25in=022, 10in=100
40mm to 225mm (M) Example: 40mm=040, 225mm=225

Common options
Q5 External pressure test Q35 NACE certification R21 Wake frequency calculation Q8 Material certification C01 Van Stone w/no cover flange C02 Van Stone w/SST cover flange

(11-12) Process connections

AA

1-in. Class 150

AB

1½-in. Class 150

AC

2-in. Class 150

(14-15) Thermowell material

SC

316/316L SST

SF

304/304L SST

CS

Carbon steel

(19) Instrument connection

A

½-14 NPT

B

½-14 NPSM

D

M18 x 1.5p

E

M20 x 1.5p

F

M24 x 1.5p

The common options shown in Figure 13 represent a partial offering; reference the Rosemount 114C Van Stone Ordering Information for a full list of available options.

Figure 14. Van Stone Thermowell Components

H

U

A
B
A. Instrument connection B. Process connection

H. Head length U. Immersion length

Note Wetted surface includes flange face and immersion length (U).

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Rosemount 114C

Use the form below to record your model code:

Model

Units

Immersion length (U)

Mounting Process style connection

Stem style

Thermowell material

Head length (H)

Instrument connection

Options

114C

V

1234

5

6 through 9

10

11 and 12

13

14 and 15

16 through 18

19

X X X X X

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Van Stone ordering information

Figure 15. Model Number Ordering Example

Model

Units

Immersion length (U)

Mounting Process style connection

Stem style

Thermowell material

Head length (H)

Instrument connection

Options

114C M 0150

V

AB 1 S C 050

A

WR5, Q76...

1234

5

6789

10

11 12

13

14 15

16 17 18

19

X X X X X

The numbers below the model number ordering example correlate to the character place numbers in the second column of the ordering table.

Table 7. Rosemount 114C Van Stone Ordering Information

The Standard offering represents the most common options. The starred options () should be selected for best delivery lead time. The Expanded offering is subject to additional delivery lead time.

Place #s 1-4

Model

Details

Ref. page

 114C Barstock temperature thermowell

Made with a standard bore diameter of 0.26-in. (6.6 mm) and tip wall thickness of 0.25-in. (6.4 mm). Default cover flange material is N/A carbon steel.

Place # 5

Dimension units

Details

Ref. page

E M

English units (inches) Metric units (mm)

Specifies whether length units will be in inches (in.) or

59

millimeters (mm)

59

Place # 6-9

Immersion length (U)

U
Ref. page

xx.x-in., 1.0 to 100-in. in 1/4-in. increments (when ordered with dimension units code E)  xxxx
Example of a 6.25-in. length where the second decimal is dropped off: 0062

xxxx mm, 25 to 2500 mm in 5 mm increments (when ordered with dimension units code M)  xxxx
Example of a 25 mm length: 0025

Place # 10

Mounting style

Details

V

Van Stone, lap flange

Default cover flange material is carbon steel

Place #s 11-12

Process connection

Details

 AA 1-in. Class 150

 AB 11/2-in. Class 150

 AC 2-in. Class 150

59
59
Ref. page N/A Ref. page N/A N/A N/A

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Rosemount 114C

Table 7. Rosemount 114C Van Stone Ordering Information

The Standard offering represents the most common options. The starred options () should be selected for best delivery lead time. The Expanded offering is subject to additional delivery lead time.

 AH 1-in. Class 300

N/A

 AJ

11/2-in. Class 300

N/A

 AK 2-in. Class 300

N/A

 AL 1-in. Class 400/600

N/A

 AM 11/2-in. Class 400/600

N/A

 AN 2-in. Class 400/600

N/A

AP 1-in. Class 900/1500

N/A

AQ 11/2-in. Class 900/1500

N/A

AR 2-in. Class 900/1500

N/A

AS 1-in. Class 2500

N/A

AT 11/2-in. Class 2500

N/A

AU 2-in. Class 2500

N/A

Place # 13

Stem style

Details

Image

Ref. page

1

Straight

Minimum immersion length = 1-in. (25 mm)

60

2

Tapered

Minimum immersion length = 1-in. (25 mm)

60

3

Stepped

Minimum immersion length = 3-in. (75 mm)

Place #s 14-15

Thermowell material

 SC 316/316L dual rated

SD 316/316L dual rated (NORSOK)

 SF 304/304L dual rated

Emerson.com/Rosemount

Details
Must order the Q8 Material Certificate to get NORSOK documentation

60
Ref. page
61 62 61
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June 2019

Table 7. Rosemount 114C Van Stone Ordering Information

The Standard offering represents the most common options. The starred options () should be selected for best delivery lead time. The Expanded offering is subject to additional delivery lead time.

 CS Carbon steel (A-105)

61

SG 316Ti SST

61

SH 316/316L SST with tantalum sheath

61

SJ

316/316L SST with PFA coating

61

SK 304/304L SST with PTFE coating

61

SL 310 SST

61

SM 321 SST

61

SN 321H SST

61

SR 904L SST

61

SP 347 SST

61

AB Alloy B3

61

AC Alloy C-276

61

AG Alloy 20

61

AH Alloy 400

61

AK Alloy 600

61

AM Alloy 601

61

AN Alloy 625

61

AP Alloy 800

61

AQ Alloy 800H/HT

61

AR Alloy 825

61

AU Alloy C-20

61

MO Molybdenum

61

CA Chrome-Moly Grade B-11/F-11 Class II

61

CB Chrome-Moly Grade B-22/ F-22 Class III

61

CC Chrome-Moly Grade F-91

61

NK Nickel 200

61

TT Titanium Grade 2

61

DS Super duplex SST Grade F-53

61

DT Super duplex ­ NORSOK

Must order the Q8 Material Certificate to get NORSOK documentation

62

DU Duplex 2205 Grade F51

61

DV Duplex 2205 ­ NORSOK

Must order the Q8 Material Certificate to get NORSOK documentation

62

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Rosemount 114C

Table 7. Rosemount 114C Van Stone Ordering Information
The Standard offering represents the most common options. The starred options () should be selected for best delivery lead time. The Expanded offering is subject to additional delivery lead time.
H

Place #s 16-18

Head length (H)

Ref. page

 xxx  xxx

xx.x-in., 1.75to 11.25-in. in 1/4-in. increments (when ordered with Dimension units code E) Example of a 6.25-in. length where the second decimal is dropped off: 062 (default head length = 2.25-in. for flanges under Class 900) xxx mm, 40 to 225 mm in 5 mm increments (when ordered with Dimension units code M)
Example of a 50 mm length: 050 (default head length = 60 mm for flanges under Class 900)

Place # 19

Instrument connection

Details

Image

A

1/2­14 NPT

B

1/2­14 NPSM

C

3/4­14 NPT

D

M18  1.5p

E

M20  1.5p

F

M24  1.5p

Female threads

G

G 1/2-in. (BSPF)

H

G 3/4-in. (BSPF)

J

M27  2p

K

M14  1.5p

63
63
Ref. page
64 64 64 64 64 64 64 64 64 64

Options (include with selected model number)

Sensor/thermowell assemble to options Details

 XT  XW

Hand tight assembly of sensor and thermowell
Process-ready assembly of sensor and thermowell

Ensures sensor is threaded into thermowell but only hand tightened
Ensures sensor is threaded into thermowell and torqued for process-ready installation

Extended product warranty

Details

 WR3 3-year limited warranty  WR5 5-year limited warranty

This warranty option extends manufacturer's warranty to three or five years for manufacturer related defects

Ref. page
65
65 Ref. page 65 65

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June 2019

Table 7. Rosemount 114C Van Stone Ordering Information

The Standard offering represents the most common options. The starred options () should be selected for best delivery lead time. The Expanded offering is subject to additional delivery lead time.

Thermowell calculation

Details

Ref. page

 R21 Thermowell calculation

Set of calculations to ensure thermowells are safe in certain process conditions

65

NACE certification

Details

Ref. page

 Q35 NACE certification

Meets MR0175/ISO 15156 and MR0103 requirements

66

PMI testing

Details

Ref. page

Q76 PMI testing

Verifies chemical composition of material

66

Material certification  Q8 Material certification Material tests

Details
Certificate for material conformance and traceability in accordance with EN 10204 type 3.1
Details

Ref. page
67
Ref. page

M01 Low temperature Charpy Test

Measures the low temperature ductility of the material

67

M02 Ultrasonic material test Surface finish

Examination of steel forgings for flaws and inclusions Details

67
Ref. page

Q16 Certification

Certificate showing measured surface finish values

68

R14 Finish < Ra 0.3 m (12 in)

Improves surface roughness of thermowell

68

Electropolish

Details

Ref. page

R20 Electropolish

Improve smoothness and surface quality

68

Stepped instrument threads

Image

Ref. page

R61 Stepped instrument threads

68

Roughened stem R62 Roughened stem
40

Details

Image

Roughens the last 4.7-in. (120 mm) of the stem

Ref. page
N/A

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Rosemount 114C

Table 7. Rosemount 114C Van Stone Ordering Information

The Standard offering represents the most common options. The starred options () should be selected for best delivery lead time. The Expanded offering is subject to additional delivery lead time.

Hydrostatic external pressure test

Details

Ref. page

 Q5 Standard external pressure test

Verifies structural quality and checks for leaks at thermowell process connection and stem

68

 Q9 Extended external pressure test

Same as standard external pressure test but tested for twice as long 69

Hydrostatic internal pressure test

Details

Ref. page

 Q85 Standard internal pressure test

Verifies internal structural integrity of thermowell

69

 Q86 Extended internal pressure test

Same as standard internal pressure test but tested for twice as long 70

Canadian Registration Number Q17 Canadian Registration Number
Dye penetration test

Details
Canadian approvals for all provinces (Approved materials in reference section)
Details

Ref. page
70
Ref. page

 Q73 Dye penetration test

Checks quality of welds and material

70

Wall thickness test

Details

Ref. page

Q83 Ultrasonic test

Checks the bore concentricity of the thermowell

71

Special cleaning

Details

Ref. page

Q6 Special cleaning Thermowell markings
R40 Test markings on thermowell Spherical tip

Oxygen enriched environment cleaning per ASTM G93
Details External marking of the thermowell for specific tests (see reference page for list of tests) Details

71 Ref. page
71
Ref. page

R60 Spherical tip Plug and chain

Changes the flat tip to spherical Details

72
Ref. page

R06 Stainless steel R23 Brass

73 Protects thermowell threads when sensor is not installed
73

Vent hole

Details

Ref. page

R11 Vent hole

Allows for the venting of a thermowell

73

Flange face

Details

Ref. page

R09 Concentric serrations

Concentric serrations on flange face per ASME B16.5

74

R16 RTJ

Ring type joint flange face per ASME B16.5

75

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Rosemount 114C

June 2019

Table 7. Rosemount 114C Van Stone Ordering Information
The Standard offering represents the most common options. The starred options () should be selected for best delivery lead time. The Expanded offering is subject to additional delivery lead time.

Root diameter (A)

A
Ref. page

x.xx-in., 0.36 to 3.15-in. in 0.01-in. increments (when ordered with dimension units code E) Axxx
Examples: Code A040 = 0.4-in, Code A315 = 3.15-in.
xx.x mm, 10 to 80 mm in 0.5 mm increments (when ordered with dimension units code M) Axxx
Examples: Code A100 = 10.0 mm, Code A755 = 75.5 mm
B Tip diameter (B)

80 80
Ref. page

x.xx-in., 0.36 to 1.83-in. in 0.01-in. increments (when ordered with dimension units code E) Bxxx
Examples: Code B040 = 0.4-in, Code B180 = 1.80-in.
xx.x mm, 10 to 46 mm in 0.5 mm. increments (when ordered with dimension units code M) Bxxx
Examples: Code B100 = 10.0 mm, Code B455 = 45.5 mm

Non-standard bore diameter (d)

Details

Image

D01 0.276-in./7.0 mm D03 0.138-in./3.5 mm D04 0.386-in./9.8 mm D05 0.354-in./9.0 mm D06 0.433-in./11.0 mm

Standard = 0.26-in. (6.6 mm)

Non-standard tip thickness (t)

Details

Image

T01 0.197-in./5.0 mm T02 0.236-in./6.0 mm Fillet Radius (e)

Standard = 0.25-in. (6.4 mm)
Details

t
Image

E03 0.118-in./3 mm

81

81

Ref. page

d

82

82

82

82

82

Ref. page

82
Ref. page

E05 0.197-in./5 mm 42

Standard = 0.157-in. (4 mm)

83
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June 2019

Rosemount 114C

Table 7. Rosemount 114C Van Stone Ordering Information

The Standard offering represents the most common options. The starred options () should be selected for best delivery lead time. The Expanded offering is subject to additional delivery lead time.

Van stone stub thickness

Details

Image

Ref. page

F01 0.591-in. (15 mm)

F02 0.787-in. (20 mm)

Standard = 0.394-in. (10 mm)

f

83

Lap flange material for Van Stone design Details

C01 No flange C02 316/316LSST flange C03 Flange per stem material

Provides a Van Stone stem without a lap flange.
Provides a Van Stone stem with a 316/316LSST lap flange. Provides a Van Stone stem with a matching lap flange per stem material. Coatings do not apply to lap flange.

Van Stone installation

Figure 16. Installation Components

Van Stone thermowells are installed using a lap joint flange which slips over the stub end of the thermowell. The lap joint flange has no flange face. Instead the flange is bolted over the stub end which acts as the flange face and compresses the gasket. The Rosemount 114C Thermowells come standard with spiral serrations on the stub end designed per the ASME B16.5 standard. These should be installed with an inside bolt circle (IBC) gasket/ring gasket, which extends to and is centered by the bolts. Other flange face options are available.

A B C
D
E

A. Thermowell B. Bolt/washers C. Ring gasket D. Nozzle and mating flange E. Process

Ref. page
84 84
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Rosemount 114C

Van Stone thermowell drawings

Figure 17. Van Stone/Lap Flanged Mounted Thermowell Drawings(1)

Straight

Tapered

C N

H

E

Stepped

G

A

F

A

A

e

U d

t
A. Root diameter B. Tip diameter C. Head diameter E. ASME B16.5 lap flange

B

B

F. Stub thickness H. Head length N. Instrument connection (1/2-in. NPT) U. Immersion length

d. Bore diameter e. Fillet radius t. Tip thickness

June 2019

1. Total length = U + H.
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Rosemount 114C

Table 8. Van Stone/Lap Flanged Mounted Thermowells(1)

Code

Code V, Van Stone lap flange mounting style
Process connection

Lagging diameter
"C"

Stub diameter
K standard
raised face

Stub diameter
K ring type joint
option R16

Stub thickness
"F" standard raised face

Stub thickness
"F" ring type
joint option R16

Root diameter stepped
stem

Root diameter tapered
stem

Tip diameter tapered
stem

Tip diameter straight
stem

AA

1-in. Class 150

1.31 (33.4)

1.99 (50.8)

2.50 (63.5)

0.644

0.75

0.89

0.63

.75

(16.35)

(19)

(22.5)

(16)

(19)

AB

11/2-in. Class 150

1.90 (48.3)

2.87 (73)

3.25 (82.5)

0.644

0.85

1.04

0.71

.85

(16.35)

(21.5)

(26.5)

(18)

(21.5)

AC

2-in. Class 150

2.37 (60.3)

3.62 (92.1)

4 (102)

0.644

0.85

1.04

0.71

.85

(16.35)

(21.5)

(26.5)

(18)

(21.5)

AH

1-in. Class 300

1.31

1.99

2.75

(33.4)

(50.8)

(70)

0.644

0.75

0.89

0.63

.75

(16.35)

(19)

(22.5)

(16)

(19)

AJ

11/2-in. Class 300

1.90 (48.3)

2.87 (73)

3.56 (90.5)

0.644

0.85

1.04

0.71

.85

(16.35)

(21.5)

(26.5)

(18)

(21.5)

AK

2-in. Class 300

2.37 (60.3)

3.62 (92.1)

4.25 (108)

0.707

0.85

1.04

0.71

.85

(17.92)

(21.5)

(26.5)

(18)

(21.5)

AL

1-in. Class 400/600

1.31 (33.4)

1.99 (50.8)

2.75 (70)

0.644

0.75

0.89

0.63

.75

(16.35)

(19)

(22.5)

(16)

(19)

AM 11/2-in. Class 400/600

1.90 (48.3)

2.87 (73)

3.56 (90.5)

10 (.394)

0.644 (16.35)

0.85 (21.5)

1.04 (26.5)

0.71 (18)

.85 (21.5)

AN 2-in. Class 400/600

2.37 (60.3)

3.62 (92.1)

4.25 (108)

0.707

0.85

1.04

0.71

.85

(17.92)

(21.5)

(26.5)

(18)

(21.5)

AP 1-in. Class 900/1500

1.31 (33.4)

1.99 (50.8)

2.81 (71.5)

0.644

0.75

0.89

0.63

.75

(16.35)

(19)

(22.5)

(16)

(19)

AQ 11/2-in. Class 900/1500

1.90 (48.3)

2.87 (73)

3.62 (92)

0.644

0.85

1.04

0.71

.85

(16.35)

(21.5)

(26.5)

(18)

(21.5)

AR 2-in. Class 900/1500

2.37 (60.3)

3.62 (92.1)

4.88 (124)

0.707

0.85

1.04

0.71

.85

(17.92)

(21.5)

(26.5)

(18)

(21.5)

AS

1-in. Class 2500

1.31 (33.4)

1.99 (50.8)

3.25 (82.5)

0.644

0.75

0.89

0.63

.75

(16.35)

(19)

(22.5)

(16)

(19)

AT

11/2-in. Class 2500

1.90

2.87

(48.3)

(73)

4.50 (114)

0.707

0.85

1.04

0.71

.85

(17.92)

(21.5)

(26.5)

(18)

(21.5)

AU

2-in. Class 2500

2.37 (60.3)

3.62 (92.1)

5.25 (133)

0.707

0.85

1.04

0.71

.85

(17.92)

(21.5)

(26.5)

(18)

(21.5)

1. Dimensions are in inches (millimeters).

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Rosemount 114C Welded Thermowells

June 2019

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Rosemount 114C

Welded thermowell overview

Welded thermowells are permanently welded to process pipes or tanks. Welded thermowells have the highest pressure rating and are generally used in applications with high velocity flow, high temperature, or extremely high pressure. They are necessary where a leak-proof seal is required.
The standard offering figure below shows the thermowell configurations that can typically be shipped in two weeks or less.

Figure 18. Standard Offering­Welded

Model

Units

Immersion Mounting Process length (U) style connection

114C

X

XXXX

W

XX

1234

5

6789

10

11 12

Stem style
X
13

Thermowell material XX
14 15

Head length (H)
XXX

Instrument

Options

connection threads

X

XX, XXX, XX

16 17 18

19

(5) Units
English (E) Metric (M)
(6-9) Immersion length (U)
XXXX 0.5- to 42-in. (E) Example: 0.5-in. = 0005, 42-in. = 0420
XXXX 25to1165mm(M) Example: 25 mm = 0025, 1165 mm = 1165

(10) Mounting style
Socket weld (W) Weld in (D)

(13) Stem style

1

Straight stem

2

Tapered stem

3

Stepped stem

(16-18) Head Length (U)
XXX 1.75- to 11.25-in. (E) Example: 1.75-in. = 017, 10-in. = 100
XXX 40 to 225 mm (M) Example: 40 mm = 040, 225 mm = 225

Common options
Q35 NACE certification R21 Thermowell
calculation Q8 Material certification
Q73 Dye penetration test

(11-12) Process connections

AA

¾-in. Pipe

AB

1-in. Pipe

AC

1 1/4-in. Pipe

AD

1½-in. Pipe

(14-15) Thermowell material

SC

316/316L SST

SF

304/304L SST

(19) Instrument connection

A

½-14 NPT

B

½-14 NPSM

D

M18 x 1.5p

E

M20 x 1.5p

F

M24 x 1.5p

The common options shown in Figure 18 represent a partial offering; reference the Rosemount 114C Welded Ordering Information for a full list of available options.

Figure 19. Welded Thermowell Components

Socket weld

Weld-in

H

U

H

U

A B
A. Instrument connection B. Process connection (dependent on weld point)

A
B
U. Immersion length H. Head length

Note Actual wetted surface varies; it is measured from the weld point to the thermowell tip.

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Use the form below to record your model code:

Model

Units

Immersion length (U)

Mounting style

Process connection

Stem style

Thermowell material

Head length (H)

Instrument connection

Options

114C

1234

5

6 through 9

10

11 and 12

13

14 and 15

16 through 18

19

X X X X X

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Rosemount 114C

Welded ordering information

Figure 20. Model Number Ordering Example

Model

Units

Immersion length (U)

Mounting style

Process connection

Stem style

Thermowell material

Head length (H)

Instrument connection

Options

114C E 0060 W

AB 1 S C 050

A

WR5, Q76...

1234

5

6789

10

11 12

13

14 15

16 17 18

19

X X X X X

The numbers below the model number ordering example correlate to the character place numbers in the second column of the ordering table.

Table 9. Rosemount 114C Welded Ordering Information

The Standard offering represents the most common options. The starred options () should be selected for best delivery lead time. The Expanded offering is subject to additional delivery lead time.

Place #s 1-4

Model

Details

Ref. page

 114C Barstock temperature thermowell

Made with a standard bore diameter of 0.26-in. (6.6 mm) and tip wall thickness of 0.25-in. (6.4 mm)

N/A

Place # 5

Dimension units

Details

Ref. page

E M

English units (inches) Metric units (mm)

Specifies whether length units will be in inches (in.) or

59

millimeters (mm)

59

Place # 6-9

Immersion length (U)

U

U

Ref.

page

xxx-in., 1 to 100-in. in 1/4-in. increments (when ordered with dimension units code E)  xxxx
Example of a 6.25-in. length where the second decimal is dropped off: 0062

xxxx mm, 25 to 2500 mm in 5 mm increments (when ordered with dimension units code M)  xxxx
Example of a 50 mm length: 0050

Place # 10

Mounting style

Details

 W Welded­socket weld

D

Welded­weld-in (only available in tapered stem profile)

Place #s 11-12

Process connections

Details

Welded­socket weld (W)

Welded­weld-in (D) (only available in tapered stem profile)

 AA 3/4-in. pipe

3/4-in. pipe

 AB 1-in. pipe

1-in. pipe

 AC 11/4-in pipe

11/4-in. pipe

 AD AE

11/2-in. pipe N/A

11/2-in. pipe
Custom diameters (required for Root [Axxx] and tip [Bxxx] modifications)

59
59
Ref. page N/A N/A Ref. page
N/A N/A N/A N/A N/A

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Table 9. Rosemount 114C Welded Ordering Information

The Standard offering represents the most common options. The starred options () should be selected for best delivery lead time. The Expanded offering is subject to additional delivery lead time.

DA N/A

DIN 43772-4-7 (18 h7/3.5 mm bore/M14)

N/A

DB N/A

DIN 43772-4-7 (24 h7/7.0 mm bore/M18)

N/A

DC N/A

DIN 43772-4-7 (26 h7/7.0 mm bore/G1/2 or M20)

N/A

DD N/A

DIN 43772-4-7 (26 h7/9.0 mm bore/G1/2 or M20)

N/A

DE N/A

DH N/A

Place # 13

Stem style

DIN 43772-4-7 (32 h11/11.0 mm bore/G3/4 or M27)
Custom diameters (required for root (Axxx) and tip ( Bxxx) modifications

Details

Image

N/A
N/A
Ref. page

1

Straight

Minimum immersion length = 1-in. (25 mm)

60

2

Tapered

Minimum immersion length = 1-in. (25 mm)

60

3

Stepped

Place #s 14-15

Thermowell material

Minimum immersion length = 3-in. (75 mm)
Details

60
Ref. page

 SC 316/316L dual rated

61

SD 316/316L dual rated (NORSOK)

Must order the Q8 Material Certificate to get NORSOK documentation

62

 SF 304/304L dual rated

61

 CS Carbon steel (A-105)

61

SG 316Ti SST

61

SL 310 SST

61

SM 321 SST

61

SN 321H SST

61

SR 904L SST

61

SP 347 SST

61

AB Alloy B3

61

AC Alloy C-276

61

AG Alloy 20

61

AH Alloy 400

61

AK Alloy 600

61

AM Alloy 601

61

AN Alloy 625

61

AP Alloy 800

61

AQ Alloy 800H/HT

61

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Rosemount 114C

Table 9. Rosemount 114C Welded Ordering Information

The Standard offering represents the most common options. The starred options () should be selected for best delivery lead time. The Expanded offering is subject to additional delivery lead time.

AR Alloy 825

61

AU Alloy C-22

61

AS Alloy F44 Mo6

61

MO Molybdenum

61

CA Chrome-Moly Grade B-11/F-11 Class II

61

CB Chrome-Moly Grade B-22/ F-22 Class III

61

CC Chrome-Moly Grade F-91

61

NK Nickel 200

61

TT Titanium Grade 2

61

DS Super duplex SST Grade F-53 DT Super duplex ­ NORSOK DU Duplex 2205 Grade F51 DV Duplex 2205 ­ NORSOK

Place #s 16-18

Head length (H)

Must order the Q8 Material Certificate to get NORSOK documentation
Must order the Q8 Material Certificate to get NORSOK documentation
H H

61 62 61 62
Ref. page

 xxx

xx.x-in., 1.75 to 11.25-in. in 1/4-in. increments (when ordered with dimension units code E) Example of a 6.25-in. length where the second decimal is dropped off: 062 (default head length = 1.75-in.)

 xxx

xxx mm, 40 to 225 mm in 5-mm increments (when ordered with dimension units code M) Example of a 50 mm length: 050 (default head length = 45 mm)

Place # 19

Instrument connection

Details

Image

A

1/2­14 NPT

B

1/2­14 NPSM

C

3/4­14 NPT

D

M18  1.5p

E

M20  1.5p

F

M24  1.5p

Female threads

G

G 1/2-in. (BSPF)

H

G 3/4-in. (BSPF)

J

M27  2p

K

M14  1.5p

63
63
Ref. page
64 64 64 64 64 64 64 64 64 64

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Table 9. Rosemount 114C Welded Ordering Information
The Standard offering represents the most common options. The starred options () should be selected for best delivery lead time. The Expanded offering is subject to additional delivery lead time.
Options (include with selected model number)

Sensor/thermowell assemble to options

 XT

Hand tight assembly of sensor and thermowell

Extended product warranty

Details Sensor is threaded into thermowell but only hand tightened Details

Ref. page
65
Ref. page

 WR3 3-year limited warranty  WR5 5-year limited warranty

This warranty option extends manufacturer's warranty to three or 65

five years for manufacturer related defects

65

Thermowell calculation  R21 Thermowell calculation NACE certification

Details
Set of calculations to ensure thermowells are safe in certain process conditions
Details

Ref. page
65
Ref. page

 Q35 NACE certification

Meets MR0175/ISO 15156 and MR0103 requirements

66

PMI testing

Details

Ref. page

Q76 PMI testing

Verifies chemical composition of material

66

Material certification  Q8 Material certification Material tests

Details
Certificate for material conformance and traceability in accordance with EN 10204 type 3.1
Details

Ref. page
67
Ref. page

M01 Low temperature Charpy Test

Measures the low temperature ductility of the material

67

M02 Ultrasonic material test

Examination of steel forgings for flaws and inclusions

67

Surface finish

Details

Ref. page

Q16 Certification

Certificate showing measured surface finish values

68

R14 Finish < Ra 0.3m (12in)

Improves surface roughness of thermowell

68

Electropolish

Details

Ref. page

R20 Electropolish

Improves smoothness and surface quality

68

Hydrostatic internal pressure test

Details

Ref. page

 Q85 Standard internal pressure test  Q86 Externded internal pressure test

Verifies internal structural integrity of thermowell

69

Same as standard internal pressure test but tested for twice as long

70

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Rosemount 114C

Table 9. Rosemount 114C Welded Ordering Information

The Standard offering represents the most common options. The starred options () should be selected for best delivery lead time. The Expanded offering is subject to additional delivery lead time.

Canadian Registration Number

Details

Ref. page

Q17 Canadian Registration Number

Canadian approvals for all provinces (Approved materials in reference section)

70

Dye penetration test

Details

Ref. page

 Q73 Dye penetration test Wall thickness test

Checks quality of welds and material Details

70
Ref. page

Q83 Ultrasonic test

Checks the bore concentricity of the thermowell

71

Special cleaning

Details

Ref. page

Q6 Special cleaning

Oxygen enriched environment cleaning per ASTM G93

71

Thermowell markings R40 Test markings on thermowell
Spherical tip

Details
External marking of the thermowell for specific tests (see reference page for list of tests)
Details

Ref. page
71
Ref. page

R60 Spherical tip

Changes the flat tip to spherical

72

Plug and chain

Details

Ref. page

R06 Stainless steel R23 Brass

73 Protects thermowell threads when sensor is not installed
73

Vent hole

Details

Ref. page

R11 Vent hole

Allows for the venting of a thermowell

73

Root diameter (A)

A

Ref.

page

x.xx-in., 0.36 to 3.15-in. in 0.01-in. increments (when ordered with dimension units code E) Axxx
Examples: Code A040 = 0.4-in, Code A315 = 3.15-in.
xx.xx mm, 10 to 80 mm in 0.5 mm increments (when ordered with dimension units code M) Axxx
Examples: Code A100 = 10.0 mm, Code A755 = 75.5 mm
B Tip diameter (B)

80
80 Ref. page

x.xx-in., 0.36 to 1.83-in. in 0.01-in. increments (when ordered with dimension units code E)

Bxxx

81

Examples: Code B040 = 0.4-in, Code B180 = 1.80-in.

xx.xx mm, 10 to 46 mm in 0.5 mm. increments (when ordered with dimension units code M)

Bxxx

81

Examples: Code B100 = 10.0 mm, Code B455 = 45.5 mm

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Table 9. Rosemount 114C Welded Ordering Information

The Standard offering represents the most common options. The starred options () should be selected for best delivery lead time. The Expanded offering is subject to additional delivery lead time.

Non-standard bore diameter (d)

Details

Image

Ref. page

D01 0.276-in./7.0 mm D03 0.138-in./3.5 mm

82

d

82

D04 0.386-in./9.8 mm

Standard = 0.26-in. (6.6 mm)

82

D05 0.354-in./9.0 mm

82

D06 0.433-in./11.0 mm

82

Non-standard tip thickness (t)

Details

Image

Ref. page

T01 0.197-in./5.0 mm

82

Standard = 0.25-in. (6.4 mm)

T02 0.236-in./6.0 mm

82

t

Socket weld installation

Socket weld thermowells are typically welded into a socket weld fitting. Welds should be designed according to the appropriate standards. It is important to order a head length (H) that leaves enough space so the instrument threads will not be deformed by welding at installation. The customer should also make sure the root diameter of the thermowell will fit through the inner diameter of the weld fitting.

Note When specified in a thermowell calculation, the unsupported length for a socket weld thermowell is from the point of weld (B shown on Figure 21 on page 54) to the thermowell tip.

Figure 21. Installation Components
A
B C D E

F
A. Thermowell B. Weld C. Socket weld fitting D. 1/16-in. gap E. Weld F. Process

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Rosemount 114C

Weld-in Type 4 thermowells according to DIN 43772

This section only defines the requirement necessary to provide a Type 4 thermowell according to the DIN 43772 Standard (for ordering information on weld-in thermowells outside the DIN Standard, see Table 9 on page 49).

The illustration below shows the breakdown of a model according to the DIN Standard: Thermowell ­ DIN 43772 ­ 4 ­ 7 ­ M18  1.5

­ 200 ­ 65 ­ 16Mo3

Name

Standard number

Type
Thermowell inside diameter d1
Thermometer connection thread N
Overall length L

Immersion length U

Material abbreviation or material number
Table 10, Table 11, and Table 12 show all required thermowell dimensions necessary to conform to DIN 43772 Type 4 and the relationship to the Rosemount 114C Thermowell.
Ordering process

1. Select overall length (L) and immersion length (U) from Table 10.

U = 65 mm

L = 200 mm

H = L ­ U = 135 mm

Rosemount 114C = U = 0065

Rosemount 114C = H = 135

Table 10. DIN Required Lengths

Immersion length (U)

(mm) 65 65 65 125 275

Code 0065 0065 0065 0125 0275

Overall length (L) (U + H)
(mm) 110 140 200 260 410

Head length (H)

(mm) 45 75 135 135 135

Code 045 075 135 135 135

2. Select process connection (PC), instrument connection (IC), and bore diameter (BD) from Table 11.

PC = 18 h7/3.5 mm

IC = M14  1.5

BD = 3.5 mm

Rosemount 114C = 18 h7/3.5 mm = DA Rosemount 114C = M14  1.5 = K Rosemount 114C = 3.5 mm = D03

Table 11. DIN Connection Information

Process connection (PC)

Type 18 h7 24 h7 26 h7

Code DA DB DC

Instrument connection (IC)

Internal threads M14  1.5 M18  1.5 G1/2 (BSPF)

Code K D G

Bore diameter (BD)

(mm) 3.5 7.0 7.0

Code D03 D01 D01

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Table 11. DIN Connection Information Process connection (PC)

Instrument connection (IC)

26 h7

DD

M20  1.5

E

32 h11

DE

G3/4 (BSPF)

H

32 h11

DE

M27  2

J

3. Determine thermowell material from Table 12. Material = 316 Ti SST Rosemount 114C = 316 Ti SST= SG

Table 12. DIN Material Thermowell material (M)

Material code

Molybdenum DIN 1.5415 EN 10273

MO

Chrome-Moly B-11 DIN 1.7335 EN 10273

CA

Chrome-Moly B-22 DIN 1.7380 EN 10273

CB

316 Ti SST DIN 1.4571 EN 10272

SG

4. Apply to Rosemount 114C model as shown below:

Metric

Weld-in

Tapered

Bore diameter (BD)

9.0

D05

11.0

D06

11.0

D06

0.5 mm tip thickness

114C ­ M ­ XXXX ­ D ­ XX ­ 2

­ XX ­ XXX ­ X ­ T01

­ XXX

U

PC

M

H

IC

BD

Resulting model code example: 114C-M-0065-D-DA-2-SG-135-K-T01-D03 Figure 22. Weld Mounted Thermowell Drawings (Weld-in)

H. Head length
 F_2,  F_3, and H_1, refer to Table 13.

U. Immersion length

Table 13. DIN Weld Mounted Thermowells (Weld-in)(1)

Code

Code D, welded (weld-in) style Process connection

Head diameter " F_2"

Tip diameter "  F_3"

Thread length "H_1"

DA

DIN 43772-4-7 (18 h7/3.5 mm bore/M14)

18 h7 (+0.000/­0.018 mm)

9 ±0.27

16

DB

DIN 43772-4-7 (24 h7/7 mm bore/M18)

24 h7 (+0.000/­0.021 mm)

12.5 ±0.38

16

DC

DIN 43772-4-7 (26 h7/7 mm bore/G1/2 or M20)

26 h7 (+0.000/­0.021 mm)

12.5 ±0.38

19

DD

DIN 43772-4-7 (26 h7/9 mm bore/G1/2 or M20)

26 h7 (+0.000/­0.021 mm)

15 ±0.38

19

DE

DIN 43772-4-7 (32 h11/11 mm bore/G3/4 or M27)

32 h11 (+0.000/­0.160 mm)

17 ±0.38

22

1. Dimensions are in millimeters.

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Welded thermowell drawings

Figure 23. Weld Mounted Thermowell Drawings (Socket Weld)(1)

Straight

Tapered

S N

H

A

A

Rosemount 114C
Stepped
A

U d

t
A. Root diameter B. Tip diameter H. Head length N. Instrument connection

B

B

S. Socket size U. Immersion length d. Bore diameter t. Tip thickness

Table 14. Weld Mounted Thermowells (Socket Weld)(1)

Code W, welded mounting style Code
Process connection

Socket size "  S"

AA

3/4-in. pipe

AB

1-in. pipe

AC

11/4-in. pipe

AD

11/2-in. pipe

1.05 (26.67) 1.32 (33.4) 1.66 (42.16) 1.90 (48.26)

1. Dimensions are in inches (millimeters).

Root diameter "  A" Tip diameter " B"

0.75 (19) 0.75 (19) 0.75 (19) 0.75 (19)

0.50 (12.7) 0.50 (12.7) 0.50 (12.7) 0.50 (12.7)

1. Total length = U + H.

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Figure 24. Weld Mounted Thermowell Drawings (Weld-in)(1)

H

U

N

June 2019
B

A

A. Root diameter B. Tip diameter H. Head length

N. Instrument connection U. Immersion length

Table 15. Weld Mounted Thermowells (Weld-in)(1)

Code D, welded mounting style Code
Process connection

Root diameter " A"

AA

3/4-in. pipe

1.050 (26.67)

AB

1-in. pipe

1.315 (33.40)

AC

11/4-in. pipe

1.660 (42.16)

AD

11/2-in. pipe

1.900 (48.26)

AE

Custom

Specified by design modifier "AXXX"

1. Dimensions are in inches (millimeters).

Tip diameter "  B"
.748 (19) .846 (21.5) 1.043 (26.5) 1.250 (31.75) Specified by design modifier "BXXX"

1. Total length = U + H.
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Ordering information detail

Dimension units
Back to Threaded ordering table Back to Flanged ordering table Back to Van Stone ordering table Back to Welded ordering table
The Rosemount 114C Thermowell has the flexibility to be specified in either inches (E) or millimeters (M).
English units (inches)
If English is selected, all lengths will be in inches.
Metric
If metric is selected, all lengths will be in millimeters.
Immersion length (U)
Back to Threaded ordering table Back to Flanged ordering table Back to Van Stone ordering table Back to Welded ordering table
The immersion length normally refers to the length of the thermowell stem beginning underneath the process connection to the tip of the thermowell. This length is typically specified by the process designer but the general rule is at least one-third or one-half the pipe diameter. Thermowells longer than 42-in. will be required to have an internal pressure test (Q85) performed to ensure the internal cavity integrity has not been compromised. Parallel thread thermowells have a U length that actually includes the process threads thus requiring an extra 1-in. (25 mm) for min. U length.

U

Table 16. Minimum Immersion Length by Profile Style

Profile

Minimum length

Minimum length (parallel threads)

Straight Tapered Stepped

1-in. (25 mm) 1-in. (25 mm) 3 -in. (75 mm)

2-in. (50 mm) 2-in. (50 mm) 4-in. (100 mm)

Note Long-length thermowells are those longer than 42-in. (1065 mm) and may be manufactured from two or three pieces of bar stock.

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Stem style
Back to Threaded ordering table Back to Flanged ordering table Back to Van Stone ordering table Back to Welded ordering table
Straight style thermowells (1)
Straight style thermowells have the same diameter along the entire immersion length. They present the largest profile to the process medium and have the highest drag force compared to other styles with the same root diameter. Because of the large tip diameter, there is more mass to heat which slows the thermal response of the measurement assembly. The minimum immersion length (U) allowed with this profile is 1-in. (25 mm) except for parallel threaded thermowells that have a minimum immersion of 2-in. (50 mm).
Tapered style thermowells (2)
Tapered style thermowells have an outside diameter that decreases uniformly from root to tip. For the same root diameter, this design represents a good compromise between straight and stepped thermowells. It's drag will be less than a straight style, but greater than a stepped style. The response time will be faster than a straight style and slower than a stepped style. The two general forms of a tapered stem are uniform (tapered from root to tip) and non-uniform (straight portion followed by tapered portion). Because of its profile shape, it is a good compromise for strength between the two other styles. It is the common choice for high velocity flow applications where the flow forces typically are too great to use a stepped well. The tapered design has faster response than the straight style offering an optimal balance of strength and response time factors. The minimum immersion length (U) allowed with this profile is 1-in. (25 mm) except for parallel threaded thermowells that have a minimum immersion of 2-in. (50 mm). The maximum length allowed for the tapered profile is; Immersion length (U) + Head length (H) <= 4-in. (1067 mm)
Stepped style thermowells (3)
Stepped style thermowells have two straight sections with the smaller diameter straight section at the tip. For the same root diameter as a straight profile thermowell, this design has less profile exposure to the flowing process and exhibits less drag force and quicker response time due to the smaller mass at the tip. In general, stepped thermowells will have thinner walls. By the geometry of its design, the stepped well has a higher natural frequency than the other styles with the same root diameter, and is less susceptible to vibration induced failure. Since this design has less material at the tip, its considered the best thermowell for fast time response. The minimum immersion length (U) allowed with this profile is 3-in. (75 mm) except for parallel threaded thermowells that have a minimum immersion of 4-in. (100 mm).

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Thermowell material
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The material of construction is typically the first consideration in choosing a thermowell for any given application. Three factors affect the choice of material:
1. Chemical compatibility with the process media to which the thermowell will be exposed. 2. Temperature limits of the material 3. Compatibility with the process piping material to ensure solid, non-corroding welds and junctions.
It is important the thermowell conforms to the design specs of the pipe or vessel it will be inserted into to ensure structural and material compatibility. The original process design most likely included temperature, pressure, and corrosive considerations as well as cleaning procedures, agency approvals required, and conformance with codes or standards. Since an installed thermowell essentially becomes part of the process, these original design considerations also apply to the thermowell and will drive the thermowell material of construction and mounting type selection. International pressure vessel codes are explicit about the types of materials and methods of construction allowed.

Table 17. Thermowell Materials Code Thermowell material

Flange material

316/316L SST

SC

UNS S31600/S31603

ASTM A479

316/316L SST UNS S31600/S31603 ASTM A182 or A240

SD(1)

316/316L SST dual rated (NORSOK) UNS S31600/S31603
ASTM A479 NORSOK M-630 MDS D57

316/316L SST dual rated (NORSOK)(1) UNS S31600/S31603
ASTM A182 NORSOK M-630 MDS D54

304/304L SST

SF

UNS S30400/S30403

ASTM A479

304/304L SST UNS S30400/S30403 ASTM A182 or A240

316T i SST

SG

UNS S31635

ASTM A479

316T i SST UNS S31635 ASTM A182

SH(2)

316/316L SST with Tantalum sheath UNS S31600/S31603 ASTM A479

316/316L SST with Tantalum sheath UNS S31600/S31603 ASTM A182 or A240

Tantalum sheath UNS R05252

316/316L SST w / PFA coating

SJ

UNS S31600/S31603

ASTM A479

304/304L SST with PTFE coating

SK

UNS S30400/S30403

ASTM A479

310 SST

SL

UNS S31008

ASTM A479

321 SST

SM

UNS S32100

ASTM A479

321H SST

SN

UNS S32109 ASTM A479

DIN 1.4

904L SST

SR

UNS N08904 ASTM A479

DIN 1.4539

316/ 316L SST w / PFA coating UNS S31600/S31603 ASTM A182 or A240
304/304L SST with PTFE coating UNS S30400/S30403 ASTM A182 or A240
310 SST UNS S31008 ASTM A182 or A240
321 SST UNS S32100 ASTM A182 or A240
321H SST UNS S32109 ASTM A182 or A240 DN 1.4878
904L SST UNS N08904 ASTMor A240 DIN 1.4539

Code Thermowell material

347 SST

SP

UNS S34700 ASTM A479

DIN 1.4550

Alloy B3

AB

UNS N10001

ASTM B335

Alloy C-276

AC

UNS N10276

ASTM B574

Alloy C-4

AD

UNS N06455

ASTM B574

Alloy C-22

AE

UNS N06022

ASTM B574

Alloy C-22

AF

UNS N06022

ASTM B574

Alloy 20

AG

UNS N08020

ASTM B473

Alloy 400

AH

UNS N04400

ASTM B164

Alloy 400

AJ

UNS N04400

ASTM B164

Alloy 600

AK

UNS N06600

ASTM B166

Alloy 600

AL

UNS N06600

ASTM B166

Alloy 601

AM

UNS N06601 ASTM B166

DIN 2.4851

Flange material
347 SST UNS S34700 ASTM A182 or A240 DIN 1.4550
Alloy B3 UNS N10001 ASTM B333
Alloy C-276 UNS N10276 ASTM B462 or B575
304/304L SST UNS S30400/S30403 ASTM A182 or A240
304/304L SST UNS S30400/S30403 ASTM A182 or A240
316/316L SST UNS S31600/S31603 ASTM A182 or A240
Alloy 20 UNS N08020 ASTM B462 or B463
Alloy 400 UNS N04400 ASTM B564 or B127
304/304L SST UNS S30400/S30403 ASTM A182 or A240
Alloy 600 UNS N06600 ASTM B564 or B168
304/304L SST UNS S30400/S30403 ASTM A182 or A240
Alloy 601 UNS N06601 ASTM B168 or B564 DIN 2.4851

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Table 17. Thermowell Materials Code Thermowell material

Alloy 625

AN

UNS N06625 ASTM B446

DIN 2.4856

Alloy 800

AP

UNS N08800 ASTM B408

DIN 1.4876

Alloy 800H/HT

AQ

UNS N08811 ASTM B408

DIN 1.4959

Alloy 825

AR

UNS N08825 ASTM B425

DIN 2.4858

Alloy C-22

AU

UNS N06022 ASTM B574

DIN 2.4602

Alloy F44 Mo6

AS

UNS S31254 ASTM A479

DIN 1.4547

Carbon steel

CS

UNS K03504

ASTM A105

Titanium grade 2

TT

UNS R50400

ASTM B348 GR 2

Super duplex

DS

UNS 32750

ASTM A479 GR F53

Flange material
Alloy 625 UNS N06625 ASTM B443 or B564 DIN 2.4856
Alloy 800 UNS N08800 ASTM B409 or B564 DIN 1.4876
Alloy 800H/HT UNS N08811 ASTM B409 or B564 DIN 1.4959
Alloy 825 UNS N08825 ASTM B424 or B564 DIN 2.4858
Alloy C-22 UNS N06022 ASTM B567 or B575 DIN 2.4602
Alloy F44 Mo6 UNS S31254 ASTM A182 or A240 DIN 1.4547
Carbon steel UNS K03504 ASTM A105, A216 GR WCB, or A515 GR
70
Titanium grade 2 UNS R50400
ASTM B381 GR 2
Super duplex UNS 32750 ASTM A182 GR F53 or A240

Code Thermowell material

Flange material

Duplex 2205

DU

UNS 31803

ASTM A479 GR F51

Duplex 2205 UNS 31803 ASTM A182 GR F51or A240

CC

Chrome-Moly Grade F-91 UNS K90901 ASTM A182

Chrome-Moly Grade F-91 UNS K90901
ASTM A182 GR F-9, A217 GR C12A, or A387 GR 91 CL2

Nickel 200

NK

UNS N02200

ASTM B160

Nickel 200 UNS N02200 ASTM B162 or B564

Molybdenum

MD

UNS R03600

ASTM B387

Molybdenum UNS R03630 ASTM A204 or B386

CA

Chrome-Moly Grade B-11 UNS K11797
ASTM A739 GR B-11

Chrome-Moly Grade F-11 UNS K11572
ASTM A182 GR F-11 CL2 or A387 GR11 CL2

CB

Chrome-Moly Grade B-22 UNS K21390
ASTM A739 GR B-22

Chrome-Moly Grade F-22 UNS K21590
ASTM A182 GR F-22 CL3, A217 GR WC9, or A387 GR22 CL2

DT(1)

Super duplex (NORSOK) UNS 32750
ASTM A479 GR F53 NORSOK M-630 MDS D57

Duplex 2205 (NORSOK) UNS 31803
ASTM A182 GR F53 NORSOK M-630 MDS D54

DV(1)

Duplex 2205 (NORSOK) UNS 31803
ASTM A479 GR F51 NORSOK M-630 MDS D47

Duplex 2205 (NORSOK) UNS 31803
ASTM A182 GR F51 NORSOK M-630 MDS D44

Molybdenum

MO

UNS R03600 ASTM B387

DIN 1.5415 EN 10273

Molybdenum UNS R03630 ASTM A204 or B386 DIN 1.5415 EN 10222-2

1. Material supplier qualified per NORSOK M-650; material qualified per NORSOK M-630. 2. Sheath thickness = 0.01-in. (0.38 mm).

NORSOK
Rosemount 114 Thermowell ordered with NORSOK will have raw material from a NORSOK M-650 approved supplier, material approver per NORSOK M-630 datasheet, and flange welding qualified to NORSOK M-601. The NORSOK material will also meet requirements of NACE MR0175/ISO 15156.
Q8 should be ordered to receive the MTR. The MTR will come with an M-650 Qualification Test Record (QTR) cover sheet. Additional testing required by the M-630 datasheet will be included in the MTR.
Some of the required testing for NORSOK Duplex in addition to ASTM requirements;  Micrographic examination at 400 to 500 magnification  Ferrite content analysis according to ASTM E 562 or by image analysis according to ASTM E 1245. Ferrite content shall be within
35­55 percent.  Charpy V-notch testing according to ASTM A 370 at ­46 °C. Minimum absorbed energy shall be 45 J average and 35 J single.  Corrosion testing according to ASTM G 48 Method A. No pitting at 20 magnification; Weight loss shall be less than
4 g/m2.
Full details of the material requirements can be found in the ASTM and NORSOK M-630 standards.

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Rosemount 114C

Head length (H)
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Head length is the distance from the bottom of the process connection to the top of the thermowell. Each style has a minimum head length; the length specified must meet or exceed that minimum. It is shown below for all process connection styles.

H

Note The industry standard minimum head length for flanged and Van Stone thermowells with connections under Class 900 (ASME B16.5) or PN 100 (EN 1092-1) is 2.25-in. (60 mm).

Table 18. Recommended Minimum Head Length(1)

Process connection Minimum head length (H)

Threaded Welded

1.75 (45)

1. Dimensions are in inches (millimeters).

Table 19. Recommended Minimum Head Length by Connection Class for ASME B16.5(1)

Connection size

Connection class

Flanged 3/4 1 11/2 2 3 4 6 Flanged with RTJ 3/4 1 11/2 2 3 4 6

150 N/A 1.75 (45) 1.75 (45) 1.75 (45) 2.00 (50) 2.00 (50) 2.00 (50) 150 N/A 1.75 (45) 2.00 (50) 2.00 (50) 2.25 (60) 2.25 (60) 2.25 (60)

300 1.75 (45) 2.00 (50) 2.00 (50) 2.00 (50)
N/A N/A N/A 300 2.00 (50) 2.00 (50) 2.00 (50) 2.00 (50) N/A N/A N/A

400/600 N/A
2.00 (50) 2.00 (50) 2.00 (50)
N/A N/A N/A 400/600 N/A 2.00 (50) 2.00 (50) 2.00 (50) N/A N/A N/A

900/1500 N/A
2.50 (65) 2.50 (65) 2.75 (70)
N/A N/A N/A 900/1500 N/A 2.50 (65) 2.50 (65) 2.75 (70) N/A N/A N/A

2500 N/A N/A 3.00 (75) 3.25 (80) N/A N/A N/A 2500 N/A N/A 3.25 (80) 350 (85) N/A N/A N/A

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Table 19. Recommended Minimum Head Length by Connection Class for ASME B16.5(1)

Connection size

Connection class

Van Stone 1 11/2 2 Van Stone with RTJ 1 11/2 2

150 1.75 (45) 1.75 (45) 1.75 (45)
150 1.75 (45) 1.75 (45) 1.75 (45)

300 1.75 (45) 1.75 (45) 1.75 (45)
300 1.75 (45) 2.00 (50) 2.00 (50)

400/600 1.75 (45) 1.75 (45) 2.00 (50) 400/600 2.25 (60) 2.00 (50) 2.25 (60)

900/1500 2.00 (50) 2.25 (60) 2.75 (70) 900/1500 2.25 (60) 2.50 (65) 3.00 (75)

2500 2.25 (60) 2.75 (70) 3.25 (80)
2500 2.50 (65) 3.00 (75) 3.50 (90)

1. Dimensions are in inches (millimeters).

Table 20. Recommended Minimum Head Length by Connection Class for EN 1092-1(1)

Connection size

Connection class

Flanged DN 20 DN 25 DN 40 DN 50 DN 65 DN 80 DN 100

PN 2.5/6 40 40 40 40 40 40 40

PN 10/16

PN 25/40

45

45

45

45

45

50

45

50

45

50

PN 63
55 55 55 55

PN 100 50 50 50
60 60 60 60

1. Dimensions are in millimeters.

Instrument connection

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Thread

Specification

1/2­14 NPT 1/2­14 NPSM 3/4­14 NPT M18  1.5p M20  1.5p M24  1.5p
M27  2p M14  1.5p G1/2-in. (BSPF) G3/4-in. (BSPF)

SAE-AS 71082 ASME B1.20.1, 8 threads minimum
SAE-AS 71082
BS 3643
ISO 228/1 (BS 2779) ISO 228/1 (BS 2779)

Internal thread

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Sensor/thermowell assemble to options (XT, XW)
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XT
This option is selected when a Rosemount 214C Sensor is ordered with the Rosemount 114C Thermowell. This ensures the sensor is threaded into the thermowell, but only hand tightened.
XW
This option is selected when a Rosemount 214C Sensor is ordered with the Rosemount 114C Thermowell. This ensures the sensor is threaded into the thermowell and torqued for a process-ready installation.
Extended product warranty (WR3, WR5)
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The extended product warranty options are available in three or five year coverage plans. In the model string, order option codes WR3 for a three year extended warranty or WR5 for a five year warranty. This coverage is an extension of the manufacturer's limited warranty and states that the goods manufactured or services provided by seller will be free from defects in materials or workmanship under normal use and care until the expiration of the applicable warranty period.
Thermowell calculation (R21)
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The ASME PTC 19.3TW is internationally recognized as a mechanical design standard yielding reliable thermowell service in a wide range of temperature measurement applications. It includes evaluation of stresses applied to a barstock thermowell as installed in a process based on the design, material, mounting method, and process conditions. The documentation provided will detail the process information, thermowell geometry, and comprehensive calculation analysis. It will also provide an acceptable or unacceptable statement based on the analysis.
There are four quantitative criteria in ASME PTC 19.3 TW for a thermowell to be found acceptable for a particular set of process conditions:  Frequency Limit: the resonant frequency of the thermowell must be sufficiently high so that destructive oscillations are not
excited by the fluid flow.  Dynamic Stress Limit: the maximum primary dynamic stress must not exceed the allowable fatigue stress limit. If the design
requires that the thermowell pass through the in-line resonance to get to the operating conditions, there is an additional fatigue check at resonance.  Static Stress Limit: the maximum steady-state stress on the thermowell must not exceed the allowable stress, as determined by the Von Mises criteria.  Hydrostatic Pressure Limit: the external pressure must not exceed the pressure ratings of the thermowell tip, shank, and flange (or threads).

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In addition, the suitability of the thermowell material for the process environment must be considered. This means the designer must evaluate how corrosion and erosion affects the thermowell as well as how exposure to the process conditions affects material properties.
For detailed information about this standard, refer to the Thermowell Calculations White Paper. Emerson advises that all thermowells should have a wake frequency calculation performed to ensure they are suitable for the process conditions in their application. Emerson assumes that the customer has either done their own calculations or understands the risks of not having calculations done if this option is not requested.

NACE certification (Q35)

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This option certifies that thermowell materials used are compliant to NACE MR0175/ISO 15156 and NACE MR0103. The material certification provided will list compliance to the referenced standard.

Material code
SC SF SL SM SN SP SR AB AC AG AH

NACE certified material
316/316L Dual Rated 304/304L Dual Rated
310 SST 321 SST 321H SST 347 SST 904L SST Alloy B3 Alloy C-276 Alloy 20 Alloy 400

Material code
AK AM AN AR AQ AR AS AU CA CB

NACE certified material
Alloy 600 Alloy 601 Alloy 625 Alloy 800 Alloy 800H/HT Alloy 825 Alloy F44 Mo6 Alloy C-22 Chrome-Moly Grade B-11/F-11 Class II Chrome-Moly Grade B-22/ F-22 Class III

PMI testing (Q76)
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Positive Material Identification (PMI) is a test that verifies the thermowell material is as specified by the Rosemount 114C model code. X-ray/radiograph fluorescence (XRF) is used to provide elemental analysis in a nondestructive manner. The certificate will provide PMI results in comparison with the applicable material standards for each individual thermowell and state the reference standard. Two points are provided on flanges. All other thermowell components (including welds) will have a single point. XRF will not detect carbon in steels. PMI can be marked on the thermowell by choosing option R40. Due to type of technology used carbon steel material is exempt from this testing.

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Material certification (Q8)
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Material certificate and traceability in accordance with EN 10204 Type 3.1 Inspection Certificate. The certificate provided will document the heat code, chemical analysis, and testing required by material standards.

Low temperature Charpy test (M01)
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Test is performed in accordance with ASTM A370 and report will be include in the Material Traceability Report (Q8). This report must be ordered if any documentation is required. Charpy test will be done to check toughness of the raw bar and flange material used for the construction of the thermowell. The table below shows the material available with the option, test temperature, and acceptance criteria.

Material

Material codes

Charpy temperature Acceptance impact value

Duplex

DS ­ Super duplex DT ­ Super duplex (NORSOK) DU ­ Duplex DV ­ Duplex (NORSOK)

­58 °F (­50 °C)

Average: 45 J (33 ft-lb) Minimum: 35 J (26 ft-lb)

300 Series SST

SC ­ 316/316L SST SD ­ 316/316L SST (NORSOK) SF ­ 304/304L SG ­ 316 Ti SH ­ 316/316L with tantalum sheath SJ ­ 316/316L with PFA coating SK ­ 304/304L with PTFE coating SM ­ 321 SST

­321 °F (­196 °C)

Average: 60 J (44 ft-lb) Minimum: 55 J (41 ft-lb)

When ordering this option with any weld documentation (Q66-Q68), note that there is a separate set of documents needed to meet the test requirements. There are Q66-68 weld documents specifically for M01 tested material.

Ultrasonic material test (M02)
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Ultrasonic examination will be done to check quality of the raw bar and flange material used for thermowell construction. The testing shall be performed in accordance with procedures specified in ASTM A388 by a Level 2 inspector. Calibration and acceptance criteria shall be per API 6A.

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Surface finish certification (Q16)
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Thermowell surface finish is typically done to remove all the burrs and sharp edges which smooths the thermowell stem surface. The Rosemount 114C comes with a standard surface finish of T32  in. CLA N6 (0.8 m Ra) or better. This option provides a certificate that documents the maximum surface finish reading for stem and flange (when applicable) and a pass/fail statement. Improved surface finish options are also available for the Rosemount 114C (see options R14 and R20).
Surface finish <Ra 0.3 m (12 in) (R14)
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Improves surface finish to be less than Ra 0.3 m. An improved surface finish will increase corrosion resistance and make the thermowell easier to clean. This is common in sanitary applications.
Electropolish (R20)
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The electropolish process uses a combination of electrical current and chemicals to improve the surface finish. The surface will appear shiny and polished. It can have an advantage over mechanical polishing because there is no cold work involved that can lead to scratches, strains, metal debris, and embedded abrasives on the surface. An improved surface finish will increase corrosion resistance and make the thermowell easier to clean. This is common in sanitary applications.
Stepped instrument threads (R61)
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Threads are recessed and begin 0.35-in. (9 mm) from the top of the face of the thermowell's instrument connection entry as shown below:

Standard external hydrostatic pressure test (Q5)
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Thermowells are tested at room temperature for 10 minutes. Water is certified to have a chlorine content of less than 30 ppm. The certificate will document the chlorine content, hydrostatic test pressure level, duration, and test results. The pressure rating (in psi) for the different thermowell mounting styles is given below.

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Flanged and Van Stone

Hydrostatic pressure test levels are in accordance with ASME B16.5. When the table below and the standard conflict, the standard shall govern.
Thermowell material (psi)

Flange class (lb)

NK

AH, AQ, SC, SD, SF, SG, SH, SJ, SK, SL, SM, TT SN, SP, AP, AM, AD, AE, AF, AJ, AL

CS

AG, AK, CA, AB, AC, CB, SR CC, DU, DT, DV, AN, AR,
AU, AS, MO, DS

150 300 600 1500 (900) 2500

300 725 1450 3600 6000

350 900 1800 4500 7500

425 1100 2175 5400 9000

450 1125 2225 5575 9275

450 1125 2250 5600 9300

450 1125 2250 5625 9375

DIN flanged thermowells

Table 21. External Pressure Test­DIN

DIN flanged thermowells

Nominal pressure (bar)

Test pressure (bar)

16

40

40

100

100

250

Test to 2.5 nominal pressure rating

Threaded thermowells

1500 psi

Extended external hydrostatic pressure test (Q9)
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Thermowells are tested at room temperature for 20 minutes. Water is certified to have a chlorine content of less than 30 ppm. The certificate will document the chlorine content, hydrostatic test pressure level, duration, and test results. The pressure rating (in psi) for the different thermowell mounting styles are the same as the standard external pressure test.

Standard internal hydrostatic pressure test (Q85)
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This test is performed at room temperature for a minimum of 10 minutes to 3000 PSI. The water used here is certified to ensure a chloride content of less than 30 PPM. The certificate provided will document the chloride content, hydrostatic test level, duration, and results. Thermowells longer than 42-in. will be required to have an internal pressure test (Q85) performed to ensure the internal cavity integrity has not been compromised.

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Extended internal hydrostatic pressure test (Q86)
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This test is performed at room temperature for a minimum of 20 minutes to 3000 PSI. The water used here is certified to ensure a chloride content of less than 30 PPM. The certificate provided will document the chloride content, hydrostatic test level, duration, and results. Thermowells longer than 42-in. will be required to have an standard internal pressure test (Q85) performed to ensure the internal cavity integrity has not been compromised.
Canadian registration number (Q17)
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Any pressure vessel, piping system, or fitting used in Canada is required by law to have a CRN (Canadian Registration Number). This ensures all pressure vessels, piping systems, and fittings are built under appropriate quality control programs. This CRN is for all Canadian provinces but the end destination province still needs to be known during the order process.

Material code SC SF SH SJ SK SL SM SN SP AB AC AG AH AJ

CRN approved material
316/316L Dual Rated 304/304L Dual Rated 316 SST with Tantalum Sheath 316L SST with PFA Coating 304 SST with PTFE Coating
310 SST 321 SST 321H SST 347 SST Alloy B3 Alloy C-276 Alloy 20 Alloy 400 Alloy 400 (with 304 SST Flange)

Material code AK AL AM AN AP AQ AR CA CB CC CS TT DU

CRN approved material
Alloy 600 Alloy 600 (with 304 SST Flange)
Alloy C-22 Alloy 625 Alloy 800 Alloy 800H/HT Alloy 825 Chrome-Moly Grade B-11/F-11 Class II Chrome-Moly Grade B-22/F-22 Class III Chrome-Moly Grade F-91 Carbon Steel (A-105) Titanium Grade 2 Duplex 2205 Grade F51

Dye penetration test (Q73)
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Dye or liquid penetration testings are performed by ASME Level II or III trained inspectors. These tests are all done in accordance to ASME Section V, Article 6 with an acceptance criteria per ASME Section III, Div 1 NB-2546. The certificate will document the inspectors name, dye penetration acceptance criteria, and test result.

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Wall thickness test (Q83)
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Ultrasonic examination performed to check stem wall thickness. Min and max wall thickness measurements shall be recorded 25 mm or 1-in. from the thermowell tip. Bore position should be 10 percent of minimum stem wall thickness at nominal dimensions (see image below).

Special cleaning (Q6)
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Special cleaning for oxygen/special service to be performed in accordance to ASTM G93. The procedure to be qualified using ASTM G93 Type II quantitative tests. The documentation provided for this test will have a compliance statement to ASTM G93. All cleaned thermowells will come in a sealed plastic bag to prevent contamination. Not available with carbon steel or any coated material.
Thermowell markings (R40)
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This options provides the ability to have certain test markings on the thermowell. Below are the tests available for this option.  Q5 -- Standard external pressure tests the values and units  Q76 -- PMI will be marked on the head length portion of the thermowell and on the top of the flange if applicable  Q9 -- Extended external pressure test values and units  Q85 -- Standard internal pressure tests values and units  Q86 -- Extended internal pressure tests values and units

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Welding procedure qualification record (Q66)
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A record of a test performed and tested to ensure that the procedure will produce a good weld. Documentation to be supplied in accordance with QW-200.2 ASME Section IX. The records for thermowells with option M01 (low temperature charpy) are different and are highlighted when choosing to ensure the right documents are submitted to the customer.
Welder performance qualifications (Q67)
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A test certificate that shows whether a welder possesses the necessary experience and knowledge to perform the specifications of a particular weld procedure. Documentation to be supplied in accordance with QW-301.4 ASME Section IX.
Welding procedure specification (Q68)
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A formal written document that describes and provides direction to a welder or welding operator for making sound and quality production welds per code requirements. Documentation to be supplied in accordance with Article V, ASME Section IX.
Phased array ultrasonic test (Q80)
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This test is only available on the full penetration weld flanged thermowells. Testing shall be performed in accordance with ASME section V article 4. Inspection criteria shall be per ASME Section VIII Div 1 per UW3 and conducted by a Level 2 Inspector. The certificate provided with this option will document the results and the inspectors acceptance criteria .
X-ray/radiograph test (Q81)
Back to Flanged ordering table
Weld joints to be examined for any internal imperfections. Available only with full penetration flanged thermowells. test shall be performed according with ASME section V, article 24. Inspection criteria shall be per ASME section VIII, Div 1 per UW-51 by a level 2 inspector. Supplier to x-ray report for 10 years. Certificate shall include inspector, acceptance criteria and results. Marking made during test shall be removed.
Spherical tip (R60)
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Radius of spherical tip (B) is the same as the specified thermowell tip radius. Thermowell will still maintain specified "U" length.

MAX = t+ 3.5 MIN = t

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Stainless steel plug and chain (R06)
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The plug and chain are made from stainless steel. This plug is used to protect the thermowell threads when a sensor isn't installed. It also keeps elements such as rain, dust, and dirt out of the thermowell.

Brass plug and chain (R23)
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The plug and chain are made from brass. This plug is used to protect the thermowell threads when a sensor isn't installed. It also keeps elements such as rain, dust, and dirt out of the thermowell.
Vent hole (R11)
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The vent hole allows for the venting of a thermowell. Vent or weep holes are often used to prevent gas buildup in certain applications. This option is useful in applications where gas build up is a concern. Process fluid leakage from the vent hole is an indicator of thermowell failure.

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Flange face ­ concentric serrations (R09)
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This option changes the flange face so it has concentric serrations covering the wetted portion of the flange raised face. It is installed with an inside bolt circle (IBC) gasket/ring gasket, which extends to and is centered by the bolts. This flange face is designed per the ASME B16.5 standard.

Figure 25. Installation Components
A B C
D
E
A. Thermowell B. Bolt/washers C. Ring gasket D. Nozzle and mating flange E. Process
Flange face ­ flat (R10)
Back to Flanged ordering table
This option changes the flange face so it has no raised section on the wetted portion of the flange face. The flat face is finished with spiral serrations. This style is frequently used where the mating flange is made from a casting or fragile material. It can be installed with ring gaskets or full face gaskets that extend past the bolt holes. This flange face is designed per the ASME B16.5 standard.

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Figure 26. Installation Components A B C
D
E
A. Thermowell B. Bolt/washers C. Ring gasket D. Nozzle and mating flange E. Process

Rosemount 114C

Raised face ­ Type B2 (R15)
Back to Flanged ordering table
This option provides a smoother finish to the flange face compared to the standard Type B1 flange face.

Figure 27. Installation Components A B C
D
E
A. Thermowell B. Bolt/washers C. Ring gasket D. Nozzle and mating flange E. Process

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Flange face ­ RTJ (R16)
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This option changes the flange face so it has a ring type joint (RTJ). The RTJ flange face is common for high pressure applications using Class 600 flanges or higher. Both mating flanges have grooves that can accept a RTJ gasket which is usually made of solid metal. This flange face is designed per the ASME B16.5 standard.

Figure 28. Installation Components
A B C
D
E
A. Thermowell B. Bolt/washers C. Ring gasket D. Nozzle and mating flange E. Process
Flange face ­ groove, Type D (R18)
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Type C "tongue" will mount to Type D "groove".

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June 2019 Figure 29. Installation Components
A. Thermowell B. Bolt/washers C. Ring gasket D. Nozzle and mating flange E. Process
Flange face ­ tongue, Type C (R19)
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Type C "tongue" will mount to Type D "groove".
Figure 30. Installation Components
A. Thermowell B. Bolt/washers C. Ring gasket D. Nozzle and mating flange E. Process
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Flange face ­ spigot, Type E (R24)
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Type E "spigot" will mount to type F "recess".
Figure 31. Installation Components
A. Thermowell B. Bolt/washers C. Ring gasket D. Nozzle and mating flange E. Process
Flange face ­ recess, Type F (R25)
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Type E "spigot" will mount to type F "recess".

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June 2019 Figure 32. Installation Components

Rosemount 114C

A. Thermowell B. Bolt/washers C. Ring gasket D. Nozzle and mating flange E. Process

Thermowells with wrench flats (R37)

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This option only applies to threaded thermowells made from exotic materials. By default, these thermowells are made with two wrench flats; this option must be selected to get hex (6) wrench flats.

Figure 33. Wrench Flats Standard

Option R37

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Table 22. Exotic Materials

Code

Material

AB

Alloy B3

AC

Alloy C-276

AD

Alloy C-4 (with 304/304L SST flange)

AE

Alloy C-22 (with 304/304L SST flange)

AF

Alloy C-22 (with 316/316L SST flange)

AG

Alloy 20

AH

Alloy 400

AJ

Alloy 400 (with3 04/304L SST flange)

AK

Alloy 600

Code AL AU AM AN AP AQ AR AS MO

Material Alloy 600 with 304/304L SST flange) Alloy C-22
Alloy 601
Alloy 625
Alloy 800 Alloy800H/HT
Ally 825
Alloy F44 Mo6 Molybdenum

Code CA CB CC

Material
Chrome-Moly Grade B-11/F-11 Class II
Chrome-Moly Grade B-22/ F-22 Class III
Chrome-Moly Grade F-91

NK

Nickel 200

TT

Titanium Grade 2

DS

Super duplex SST Grade F-53

DT

Super duplex SST Grade F-53 (NORSOK)

DU

Duplex 2205 Grade F-51

DV Duplex 2205 Grade F-51 (NORSOK)

Root diameter (A0XX)
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Larger root diameters will provide greater strength. Changing the root diameter is helpful when designing a thermowell to pass wake frequency calculations.
Guidelines on specifying design modifiers based on the stem profile are as follows:  Straight ­ only root diameter (Axxx) should be specified  Tapered ­ both root (Axxx) and tip diameter (Bxxx) must be specified  Stepped ­ if root diameter (Axxx) only is specified, the tip will be standard 0.5-in diameter; if tip diameter (Bxxx) is ordered, root
diameter (Axxx) must also be specified

A

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Tip diameter (B0XX)

Table 23. Sample Root Diameters Code Dimension (E) Code Dimension (M)

A040 0.4-in.

A100 10 mm

A045 0.45-in.

A110 11 mm

A100 1.00-in.

A205 20.5 mm

A310 3.10-in.

A790 79 mm

A315 3.15-in.

A800 80 mm

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Smaller tip diameters will improve time response. Changing the tip diameter is helpful when designing a thermowell to pass wake frequency calculations.
Guidelines on specifying design modifiers based on the stem profile are as follows:  Straight ­ only root diameter (Axxx) should be specified  Tapered ­ both root (Axxx) and tip diameter (Bxxx) must be specified  Stepped ­ if root diameter (Axxx) only is specified, the tip will be standard 0.5-in. diameter; if tip diameter (Bxxx) is ordered, root
diameter (Axxx) must also be specified

B

Table 24. Sample Tip Diameters Code Dimension (E) Code Dimension (M)

B040 0.4-in.

B120 12 mm

B045 0.45-in.

B130 13 mm

B100 1.00-in.

B205 20.5 mm

B175 1.75-in.

B450 45 mm

B180 1.80-in.

B460 46 mm

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Bore diameter (d0X)
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Bore diameter (d) can be selected to accommodate different temperature sensor sizes. Time response is improved when the sensor and thermowells have a tighter fit.
d

Table 25. Available Bore Diameters

Code Dimension

Code Dimension (M)

D01 0.276-in./7.0 mm D05 0.354-in./9 mm

D03 0.138-in./3.5 mm D06 0.433-in./11 mm

D04 0.385-in./9.8 mm

Tip thickness (t0X)
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Tip thickness (t) is specified as the minimum thickness and measured from the top of the gun drill web as shown in the figure below

t

Table 26. Available Tip Thicknesses Code Dimension

T01

0.197-in./5.0 mm

T02

0.236-in./6.0 mm

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Van Stone stub thickness (F0X)
Back to Van Stone ordering table
Van Stone stub thickness is the thickness of the surface on which the flange lies as shown in the figure below.
f

Table 27. Available Stub Thicknesses Code Dimension

F01

0.591-in. (15 mm)

F02

0.787-in. (20 mm)

Fillet radius (E0X)
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Lap Joint flanges are machined with a flat face and a fillet radius to accommodate the stub end or pipe lap as shown in image below.

e

e

Table 28. Available Fillet Radius Code Dimension

E01

0.118-in. (3.0 mm)

E02

0.197-in. (5.0 mm)

Rosemount 114C

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Lap flange material for Van Stone design (C0X)
Back to Van Stone ordering table
This option is only available when the Van Stone (V) mounting configuration is selected. By default, a Van Stone thermowell comes with a carbon steel A105 lap flange. These options give the choice of having the thermowell ordered without a flange, with a 316/316LSST flange, or with a flange of similar material as the thermowell stem. Below are some model string examples of the standard offering and options for reference:
Example model: 114CE0030VAA2SC032A ­ carbon steel A105 lap flange with 316/316L SST thermowell stem provided (standard)

Example model: 114CE0030VAA2SC032AC01 ­ no lap flange, only thermowell stem provided

Example model: 114CE0030VAA2SC032AC02 ­ changes default carbon steel A105 lap cover flange to 316/316LSST flange

Example model: 114CE0030VAA2SC032AC03 ­ changes default cover flange to match thermowell stem material

Note Coatings do not apply to lap flange.
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00813-0200-4952, Rev EB
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Product Data Sheet
June 2019
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