Emerson Fisher Eu Data Sheet

2015-03-30

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Product Bulletin

EU Valve

51.1:EU
September 2014

D102004X012

Fisherr EU and EW Valves
NPS 16 through 24 x 20
The Fisher NPS 16 through 24 × 20 CL150 through
CL600 EUT-2, EWT-2, EUD, EWD, EUT, and EWT control
valves (figures 3 and 4) are used for either throttling or
on-off control of a wide variety of liquids and gasses.
CL900 NPS 16 and 20 x 16 valves are available upon
request. Please contact your Emerson Process
Management sales office for more details. These
valves have single ports, balanced valve plugs, and
cage guiding.
EUT-2 and EWT-2 valves with a hanging cage (figure 3)
are available for demanding applications in oil and
natural gas to 232_C (450_F). The hanging cage, with
the seat ring threaded into the cage, gives these valves
easy-maintenance trim--no trim parts are threaded
into the valve body. The seal between the plug and
cage and the seal between the seat ring and valve body
are spring-loaded PTFE seals.
EUD and EWD valves (figure 4) have a bolted-in seat
ring. These valves have metal-to-metal seating and use
two graphite piston rings between the valve plug and
cage. They are used primarily for high temperature
(over 232_C [450_F]) service. The Bore Seal is used to
obtain Class V shutoff above 316_C (600_F).
EUT and EWT valves (figure 1) have a bolted-in seat
ring. These valves have metal-to-metal seating and use
PEEK anti-extrusion rings to obtain temperatures up to
316_C (600_F).
These valves share the following characteristics:
multiple trim material choices, trim part
interchangeability, and different cage styles to provide
particular flow characteristics to handle specific
applications.

www.Fisher.com

W9156-2

To help reduce aerodynamic noise in gas service,
Whisper Trimt III (figure 5) and WhisperFlot cages
are available. To eliminate liquid cavitation damage,
Cavitrolt III cages are available. For cavitating liquids
with particulate, DST (dirty service trim) is available.

Product Bulletin

EU Valve

51.1:EU
September 2014

D102004X012

Specifications
Valve Sizes
EUT-2, EUD, and EUT: J NPS 16 and J 20
EWT-2, EWD, and EWT:J NPS 20 x 16,
J 24 x 16, and J 24 x 20 valves (size designations
are end connection size x nominal trim size)
End Connection Styles
Flanged: CL150, 300, and 600 raised-face or ring-type
joint flanges per ASME B16.5
Buttwelding: All ASME B16.25 schedules through
schedule 120 that are compatible with the ASME
B16.34 valve body rating
For other end connections, contact your Emerson
Process Management sales office for details.
Maximum Inlet Pressure(1)
Flanged: Consistent with CL150, 300, and 600
pressure-temperature ratings per ASME B16.34
Buttwelding: Consistent with CL600 per
ASME B16.34
Material Temperature and Pressure Drop
Capabilities(1)
See table 1 and figures 6 and 7.
Shutoff Classifications per ANSI/FCI 70-2 and IEC
60534-4
EUT and EWT with Metal Seats
Standard: Class V
EUT-2 and EWT-2 with Metal Seats
Standard (for all trims except 2-Stage Cavitrol Trim):
Class IV
Standard (for 2-Stage Cavitrol Trim): Class V
Optional (for all trims except 2-Stage Cavitrol Trim):
Class V
EUT-2 and EWT-2 with Soft Metal Seats
Class V
EUD and EWD with Metal Seats
Standard: Class III
Optional: Class IV and V

Construction Materials
Valve Body and Bonnet: J WCC steel, J WC9 steel,
J LCC steel, or J CF8M (316 stainless steel). For
other materials, consult your Emerson Process
Management sales office
Trim and Other Parts: See tables 1, 2, and 3.
Flow Characteristics
Standard Cages:J Linear or J equal percentage
Whisper Trim III and Cavitrol III Cages: Linear
WhisperFlo Cages: Linear
For other characteristics, contact your Emerson
Process Management sales office for details.
Flow Direction
Standard and Cavitrol III Cages: Down
Whisper Trim III Cages: Up
WhisperFlo Cages: Up
Flow Coefficients
See Fisher Catalog 12
Port Diameters
See tables 6 and 7
Valve Plug Travel
102 through 432 mm (4 to 17 inches).
Contact your Emerson Process Management sales
office for further details if needed
Yoke Boss and Stem Diameters
J 127 mm (5-inch) or J 127 mm (5H-inch) diameter
yoke boss, each with 31.8 mm
(1.25 inch) diameter valve stem

Typical Bonnet Style
Standard Plain (style 1 extension)
Approximate Weights
See figure 8

1. The pressure/temperature limits in this bulletin and any applicable standard or code limitation for valve should not be exceeded.

2

Product Bulletin

EU Valve

51.1:EU
September 2014

D102004X012

Figure 1. Fisher EUT / EWT Valve with PEEK Anti-Extrusion Rings

W9518-1

Features




Stable Control at High Pressure Drops-- Rugged
cage guiding stabilizes the valve plug at all points in
its travel range. This guiding reduces vibration,
mechanical noise, and the need for hydraulic
snubbers.
Economy-- Streamlined flow passages provide
greater capacities per initial investment than most

globe valves of the same size. Balanced valve plug
design can allow use of smaller actuators for high
pressure drops.


Cost-Effective Operation-- Increased wear
resistance of the standard hardened stainless steel
trim means long-lasting service.



Easy Maintenance-- The valve can stay in the
pipeline during removal of trim parts for inspection
or maintenance.

3

Product Bulletin

EU Valve

51.1:EU
September 2014

D102004X012

Figure 2. Typical Fisher EUD with Bore Seal
RETAINER

PISTON RING

CAGE

A
SEATING AREA

PLUG

FLOW DOWN
RETAINER

BORE SEAL

PISTON RING
CAGE

W6022-2

SEATING AREA

PLUG

FLOW UP

BORE SEAL

VIEW A

Bore Seal Description
The Bore Seal (figure 2) is available for the EUD and
EWD only and is required for Class V shutoff
applications where the service temperature exceeds
316_C (600_F). For service temperatures below 316_C
(600_F), the EWT and EUT should be used when Class
V shutoff is required. See table 4 for availability and
temperature limits and figure 2.
The Bore Seal employs a metal C­shaped seal ring that

4

is secured to the outside diameter of the valve plug.
When the valve plug comes into contact with the seat
ring to close the valve, the Bore Seal is compressed
against the cage wall, thereby blocking a secondary
leakage path that exists between the plug and cage
wall. When the valve plug is not in contact with the
seat ring (i.e. valve open), the Bore Seal is not engaged
and the piston rings that are also secured to the
outside diameter of the plug assume the role of
blocking this secondary leakage path.

Product Bulletin

EU Valve

51.1:EU
September 2014

D102004X012

Figure 3. Typical Fisher EUT-2 or EWT-2 Valve
TAPPED BONNET
(OPTIONAL)

BONNET GASKET
CAGE GASKET

HANGING CAGE DESIGN

SEAT RING
THREADED
TO CAGE

W6088-2

COMPLETE VALVE

SEAT RING
THREADED TO
CAGE

SEAL RING

W6089-1A

SEAT RING SEAL DETAIL

5

Product Bulletin

EU Valve

51.1:EU
September 2014

D102004X012

Figure 4. Typical Fisher EUD or EWD Valve

W6022-2

Figure 5. Fisher EWT-2 Valve with Whisper Trim III D3 Cage, Baffle, and Lower Metal Piston Ring

BAFFLE
CAGE

W6202-2

6

Product Bulletin

EU Valve

51.1:EU
September 2014

D102004X012

Table 1. Construction Materials
PART

Valve Body and Bonnet
Cage, Seat Ring, and Valve Plug

Valve Stem
WCC Valve
LCC Valve
WC9 Valve

_C

-29 to 427
-20 to 800
-29 to 593
-20 to 1100
-198 to 593
-325 to 1000
-46 to 343
-50 to 650
See figures 6 and 7

CF8M

See figures 6 and 7

S20910 SST

Not a Limiting Factor

SA-193-B7 Studs
SA-194-2H Nuts
SA-193-B7 Studs
SA-194-2H Nuts
SA-193-B7 Studs
SA-194-2H Nuts
S20910 CrCt Studs
S20910 Nuts

CF8M Valve

B8M Class 2 studs
8M nuts
SA-193-B7 Studs
SA-194-2H Nuts
S17400
N07718

Seat Ring Cap Screws
Bonnet, Seat Ring, and Cage Gaskets

EUD and EWD Piston Ring or Lower Graphite
Piston Ring (254 mm [10 inch] port only)

_F

WCC Steel
WC9 Steel
CF8M (316 Stainless Steel)
LCC
See tables 2 and 3

Soft Metal Seat (with trim 233 in EUT-2 and EWT-2
valves only)

Valve-to-Bonnet
Bolting

TEMPERATURE

MATERIAL

N06600/Graphite
Graphite (Fisher
Designation FMS
17F27)
Graphite (Fisher
Designation FMS
17F39)

-29 to 427

-20 to 800

-46 to 343

-50 to 650

-29 to 427

-20 to 800

-198 to 538

-325 to 1000

-198 to 427

-325 to 800

-29 to 427

-20 to 800

-29 to 354
-198 to 593

-20 to 700
-325 to 1100

Oxidizing

-198 to 427

-325 to 800

Non-Oxidizing

-198 to 593

-325 to 1100

Oxidizing

-198 to 427

-325 to 800

Non-Oxidizing

-198 to 482

-325 to 900

Oxidizing

-198 to 538

-325 to 1000

Non-Oxidizing

-198 to 593

-325 to 1100

EUD and EWD Bore Seal

N07718

-198 to 593

-325 to 1100

EUT-2 and EWT-2 Seat Ring Seal Ring
and Plug Seal Ring

N10276/Glass and Moly-Filled PTFE

-73 to 232

-100 to 450

Not a Limiting Factor

Not a Limiting Factor

EUT and EWT valves
with PEEK
anti-extrusion rings
For applications using a
lower metal piston ring

S41000

Backup ring

S31600

Retaining ring

18-8

Seal ring

PTFE/graphite with N10276 spring

232 to 316

450 to 600

Lower metal piston ring

Iron / N07750

-73 to 427

-100 to 800

PTFE V-Ring

-46 to 232

-50 to 450

PTFE Composition

-46 to 232

-50 to 450

Oxidizing

-198 to 354

-325 to 700

Non-Oxidizing

-198 to 538

-325 to 1000

Packing (Temperatures shown are in-body
temperatures with plain bonnet.)

Packing Flange, Studs, and Nuts
Packing Follower, Spring (PTFE V-Ring Packing), or
Lantern Ring
Packing Box Ring

Graphite
Ribbon/Filament
Steel

-29 to 427

-20 to 800

S31600 (316 Stainless Steel)

-198 to 593

-325 to 1100

S31600

Not a Limiting Factor

S17400

-101 to 427

-150 to 800

S31600

-198 to 593

-325 to 1100

7

Product Bulletin

EU Valve

51.1:EU
September 2014

D102004X012

Table 2. Typical Combinations of Metal Trim Materials for All Valves Except Those with WhisperFlo Trim(1)
Valve Design
EUT-2, EWT-2

Trim Designation

Seat Ring

Cage

Seat Ring Cap
Screws

231(2)

CA6NM HT

CB7CU-1 H1075

CB7CU-1 H1075

---

232(3)

CF8M with CoCr-A
on Seat and Guide

CF8M with CoCr-A
on seat

CF8M ENC

---

226

CA6NM

CB7CU-1 H1075

CB7CU-1 H1075

S17400 H1100

227A

WC9 Steel with
CoCr-A on Seat and
Guide

CF8M with CoCr-A
on seat

WC9 Nitrided

N07718

229(3)

CF8M with CoCr-A
on Seat and Guide

CF8M with CoCr-A
on seat

CF8M ENC

N07718

229H(3)

CF8M with CoCr-A
on Seat and Guide

CF8M with CoCr-A
on seat

CF8M
Chrome-Coated

N07718

EUD, EWD

EUT, EWT

Valve Plug

Temperature
See figure 6

See figure 7

231

CA6NM HT

CB7CU-1 H1075

CB7CU-1 H1075

S17400 H1100

232(3)

CF8M with CoCr-A
on Seat and Guide

CF8M with CoCr-A
on seat

CF8M ENC

N07718

See figure 7

1. For WhisperFlo trims, see table 3.
2. Cavitrol III cage is standard with trim 231
3. NACE MR0175 approved trim materials.

Table 3. WhisperFlo Metal Trim Materials and Valve Body/Trim Temperature Capabilities
Valve Design

Trim Designation

Valve Plug

Seat Ring

Cage

Seat Ring Cap
Screws

952

CA6NM HT

CF8M with CoCr-A
on seat

410 SST/
ENC/Ultimet

---

953(1)

CF8M with CoCr-A
on Seat and Guide

CF8M with CoCr-A
on seat

316L SST/
ENC/Ultimet

---

950

CA6NM HT

CF8M with CoCr-A
on seat

410 SST/
ENC/Ultimet

N07718

951(1)

CF8M with CoCr-A
on Seat and Guide

CF8M with CoCr-A
on seat

316L SST/
ENC/Ultimet

N07718

952

CA6NM HT

CF8M with CoCr-A
on seat

410 SST/
ENC/Ultimet

N07718

953(1)

CF8M with CoCr-A
on Seat and Guide

CF8M with CoCr-A
on seat

316L SST/
ENC/Ultimet

N07718

EUT-2, EWT-2

EUD, EWD

EUT, EWT

Temperature

See figure 6

See figure 7

See figure 7

1. NACE MR0175 approved trim materials.

Table 4. Bore Seal Availability and Temperature Capabilities (EUD/EWD only)
Valve Design

Valve Size, NPS

Trim Designation

Temperature

ANSI/FCI/IEC Shutoff Class

See figure 7

V

226
EUD and EWD

16, 20x16, 24x16, 20, 24x20

227A
950

8

Product Bulletin

EU Valve

51.1:EU
September 2014

D102004X012

Figure 6. Temperature and Pressure Drops for Typical Trim Used in Fisher EUT-2 and EWT-2 Valves
FLUID TEMPERATURE, _C

FLUID TEMPERATURE, _F

FOR STANDARD METAL SEATING WITH CL600
WCC/LCC STEEL BODY

MC140-1/AR 1
A6890

FLUID TEMPERATURE, _C

FLUID TEMPERATURE, _F

FOR STANDARD METAL SEATING WITH CL600
CF8M (316 STAINLESS STEEL) BODY

Notes:

1
Do not exceed the maximum pressure and temperature for the class rating of the body material used, even though the trims shown may have
higher capabilities.

9

Product Bulletin

EU Valve

51.1:EU
September 2014

D102004X012

Figure 7. Temperature and Pressure Drops for Typical Trim Used in Fisher EUD, EWD, EUT, and EWT Valves
FLUID TEMPERATURE, _C

FLUID TEMPERATURE, _C

952, 953

231, 232

3

FLUID TEMPERATURE, _F

FLUID TEMPERATURE, _F

FOR STANDARD METAL SEATING WITH CL600
WCC STEEL BODY

FOR STANDARD METAL SEATING WITH CL600
WC9 CHROME MOLY STEEL BODY

FLUID TEMPERATURE, _C

229
229H

226
229
229H

226
229H

229H

951
229H

FLUID TEMPERATURE, _F
MC140-2/AR 1
A6891

Notes:
1
2
3

FOR STANDARD METAL SEATING WITH CL600
CF8M (316 STAINLESS STEEL) BODY

482_C (900_F) limit -- WCC steel valve plug
371_C (700_F) limit -- S17400 seat ring bolting
316_C (600_F) limit -- EUT and EWT valves with 231, 232, 952, and 953 trims
Do not exceed the maximum pressure and temperature for the class rating of the body material used, even though the trims shown may have higher capabilities.

10

Product Bulletin

EU Valve

51.1:EU
September 2014

D102004X012

Table 5. Dimensions and Approximate Weights
APPROXIMATE
WEIGHT
(LONG-NECK
VALVE(2)

END
CONNECTION
Size,
NPS

Type(1)

16

RTJ

RF
BW
RF
20 × 16

RTJ
BW
RF

20

RTJ
BW
RF

24 × 16

RTJ
BW
RF

24 × 20

RTJ
BW

Kg

Lb

2540

5600

2270

5000

3540

7800

3130

6900

5220

11500

4810

10600

5220

11500

4630

10200

7710

17000

7120

15700

DIMENSION
A
CL150

Standard Plain Bonnet (Style 1 Extension)

CL300

CL600

mm

Inch

mm

Inch

mm

Inch

1016

40.00

1057

41.62

1108

43.62

1026

40.38

1073

42.25

1111

43.75

---

---

---

---

1108

43.62

1267

49.88

1308

51.50

1372

54.00

1276

50.25

1327

52.25

1378

54.25

---

---

---

---

1372

54.00

1267

49.88

1308

51.50

1372

54.00

---

---

---

---

---

---

---

---

---

---

1372

54.00

1556

61.25

1600

63.00

1676

66.00

1565

61.62

1623

63.88

1686

66.38

---

---

---

---

1676

66.00

1556

61.25

1600

63.00

1676

66.00

1565

61.62

1623

63.88

1686

66.38

---

---

---

---

1676

66.00

Short-Neck Valve(2)

G

D

Long-Neck Valve(2)

Max. Travel

D

Max. Travel

mm

Inch

mm

Inch

mm

Inch

mm

Inch

mm

Inch

437

17.19

663

26.12

127

5.00

816

32.12

226

8.88

487

19.19

706

27.81

226

8.88

859

33.81

276

10.88

514

20.25

917

36.12

276

10.88

1121

44.12

378

14.88

526

20.69

816

32.12

226

8.88

1121

44.12

378

14.88

565

22.25

917

36.12

276

10.88

1121

44.12

378

14.88

1. RF--raised face; RTJ--ring-type joint; BW--buttwelding.
2. For longer travels, the neck of the valve (the portion of the valve body that supports the bonnet) is longer to accommodate the travel. The longer neck increases the D dimension.

Figure 8. Dimensions and Approximate Weights (also see table 5)
25
(1.00)

31.8
(1.25)
STEM
DIAMETER

MATCH LINE FOR 585C ACTUATORS
AND 657, 667, SIZE 100 ACTUATORS

MATCH LINE
FOR ALL OTHER
ACTUATORS
D

G

A
2
A

mm
(INCH)

A6068

11

Product Bulletin

EU Valve

51.1:EU
September 2014

D102004X012

Table 6. Port Diameters for Fisher EUT-2 and EWT-2 CL 150 through CL600 Valves
Valve Size, NPS

16

20 × 16

24 × 16

20

24 × 20

TRIM

PORT DIAMETER
mm

Inches

Cast cages(1), WhisperFlo, and Cav III

374.7

14.75

Whisper Trim III A, B, and C

412.8

16.25

Whisper Trim III D

355.6

14.00

Cast cages(1), WhisperFlo, and Cav III

374.7

14.75

Drilled cages(1) and Whisper Trim III A, B, and C

412.8

16.25

Whisper Trim III D

355.6

14.00

Cast cages(1), WhisperFlo, and Cav III

374.7

14.75

Drilled cages(1) and Whisper Trim III A, B, and C

412.8

16.25

Whisper Trim III D

355.6

14.00

WhisperFlo and Cav III

463.6

18.25

Drilled cages(1) and Whisper Trim III A, B, and C

501.7

19.75

Whisper Trim III D

431.8

17.00

WhisperFlo and Cav III

463.6

18.25

Drilled cages(1) and Whisper Trim III A, B, and C

501.7

19.75

Whisper Trim III D

431.8

17.00

1. Linear or equal percentage.

Table 7. Port Diameters for Fisher EUD, EWD, EUT and EWT CL 150 through CL600 Valves
Valve Size, NPS

TRIM

16

20 × 16

24 × 16

20

24 × 20

PORT DIAMETER
mm

Inches

Linear; Equal Percentage; Whisper Trim III A, B,
and C; WhisperFlo; and Cav III

374.7

14.75

Whisper Trim III D

355.6

14.00

Linear; Equal Percentage; Whisper Trim III A, B,
and C; WhisperFlo; and Cav III

374.7

14.75

Whisper Trim III D

355.6

14.00

Linear; Equal Percentage; Whisper Trim III A, B,
and C; WhisperFlo; and Cav III

374.7

14.75

Whisper Trim III D

355.6

14.00

Linear; Equal Percentage; Whisper Trim III A, B,
and C; WhisperFlo; and Cav III

463.6

18.25

Whisper Trim III D

431.8

17.00

Linear; Equal Percentage; Whisper Trim III A, B,
and C; WhisperFlo; and Cav III

463.6

18.25

Whisper Trim III D

431.8

17.00

Neither Emerson, Emerson Process Management, nor any of their affiliated entities assumes responsibility for the selection, use or maintenance
of any product. Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user.
Fisher, Whisper Trim, WhisperFlo, and Cavitrol are marks owned by one of the companies in the Emerson Process Management business unit of Emerson
Electric Co. Emerson Process Management, Emerson, and the Emerson logo are trademarks and service marks of Emerson Electric Co. All other marks are
the property of their respective owners.
The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they are not
to be construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. All sales are
governed by our terms and conditions, which are available upon request. We reserve the right to modify or improve the designs or specifications of such
products at any time without notice.
Emerson Process Management
Marshalltown, Iowa 50158 USA
Sorocaba, 18087 Brazil
Chatham, Kent ME4 4QZ UK
Dubai, United Arab Emirates
Singapore 128461 Singapore

www.Fisher.com
E
121992, 2014 Fisher Controls International LLC. All rights reserved.



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