Ge Appliances Severe Service Valves Masoneilan Lincolnlog Valve Technical Specifications

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GE Oil & Gas

78400/18400 Series

Masoneilan* LincolnLog*
High Pressure Anti-Cavitation Control Valves

Contents
Features��������������������������������������������������������������������������������������������������3

Valve Sizing Guidelines��������������������������������������������������������������������9

General Data����������������������������������������������������������������������������������������4

Staging Ratios and Pressure Drop Guidelines����������������������9

Numbering System����������������������������������������������������������������������������5

Materials of Construction������������������������������������������������������������10

Temperature Range / Seat Leakage�����������������������������������������5

Soft Seat Design�������������������������������������������������������������������������������21

Balance Seal Pressure and Temperature Limits������������������6

Dimensions�����������������������������������������������������������������������������������������22

Ratings / Connections����������������������������������������������������������������������7

Weights������������������������������������������������������������������������������������������������28

Flow Capacity and FL�����������������������������������������������������������������������7

Accessories and Options�������������������������������������������������������������33

Flow Characteristics��������������������������������������������������������������������������8

Sales Offices�������������������������������������������������������������������� Back Cover

Trim Seat Protection�������������������������������������������������������������������������8

Features
The Masoneilan LincolnLog is the premier high-pressure
liquid letdown valve in the process control industry. It
is a field proven severe service solution for cavitating
and erosive applications in various industries. The
LincolnLog is uniquely designed to operate reliably
in harsh environments and dirty liquids. Key design
features of the LincolnLog include:

Cavitation Elimination
The multi-step flow path created by the LincolnLog trim
design, reduces the pressure drop in multiple stages
without allowing the local pressure to drop below the
fluid vapor pressure thus preventing cavitation. These
active stages throttle in unison to avoid taking the full
pressure drop across any individual stage.

Dirt Tolerant
Wide flow paths in the LincolnLog allow free passage of
large particles through the unique trim and body design
without causing any damage or loss of capacity. This
ensures continuous and efficient operation by
eliminating concerns of potential clogging due to
entrained particles.
The LincolnLog is a proven problem solver in dirty
service applications.

Heavy Plug Guiding
Guiding is provided along the full length of the plug by
a hardened liner, which minimizes any vibration effects
and results in excellent dynamic stability. This helps to
improve product yield through accurate and smooth
process control.

Versatile Trim Options
Standard LincolnLog trim is available in 3, 4 and 6
stages with different staging ratios to cover the vast
majority of high-pressure liquid letdown services.
2

Masoneilan can also provide engineered solutions
consisting of additional stages to satisfy specific application requirements. The LincolnLog is available with
both balanced and unbalanced plug designs for greater
application flexibility.

Protected Seat Design
Overlap is designed into the trim at low lift to keep high
velocity flow away from the valve seat. This helps to
avoid seat erosion and extends the operating life under
high pressure drop conditions.

Reliable Tight Shutoff
Standard seat leakage rating for the LincolnLog meets
IEC 534-4 and ANSI/FCI 70.2 Class V shutoff. An optional
soft seat design provides Class VI bubble tight shutoff.
It includes a patented sliding metal collar design, which
protects the soft seat from extruding and serves as a
back-up seating surface. The LincolnLog can also be
supplied with block valve tight shutoff per MSS-SP-61.

Ease of Maintenance
LincolnLog’s simple top-entry design includes quick
change trim for easy access and removal. The integral
liner and seat ring also reduces the number of components and simplifies assembly and disassembly.

NACE and PED Compliance
The LincolnLog is available for Sour Service Applications
using the design and construction methods defined in
NACE Standard MR0103. Product configurations for applications requiring compliance to MR0175 - 2003 or ISO
15156 are also available upon request. The LincolnLog is
also designed for compliance with Pressure Equipment
Directives (PED) requirements.

General Data
Flow Direction
	 Standard:	Flow-to-open
	
■■ Body
	
Type:	 cast or forged globe style
		
cast or forged angle style
	
Sizes:	 1” to 8” (DN 25 to DN 200)
	
Ratings:	ANSI Class 600 to 2500 			
		
(ISO PN 100 to 420)
		
API 5000 to 10000
	
End connections:	RFF, RTJ, socket weld,
		
butt weld, threaded
		
print flanges (forgings)
■■ Bonnet
	
Type:	Bolted
		Standard
		Extension
■■ Body and Bonnet
	
Materials:	
carbon steel
		
316 stainless steel
		chrome-moly
		others
■■

Trim
	
Plug type:	
multi-step axial flow
		
(3, 4 and 6 stages)
	
Seat type:	
quick change
		
integral with plug liner (1” & 1.5” sizes)
		metal seat
		soft seat
	
Guide:	 heavy top guided (liner)
	
CV ratio:	see Flow Capacity tables (page 7)
	
Flow characteristics:	Modified linear
(see page 8)
■■ Actuator
	
Type:	Spring-diaphragm
		Spring-return cylinder
		Double-acting cylinder
	 Handwheel:	Optional
■■

Optional designs are also available, such as larger sizes,
higher pressure ratings, special materials, or additional
trim stages as required. Consult factory for design details
and specifications.

3

Numbering System
1st

2nd

1st

Body
Series

Actuator Type

1	Globe

20	 Top Mounted
Manual Handwheel

7	Angle

87	 Spring-Diaphragm
		

2nd

3rd

8

4

Trim Type

4	 Axial Flow High
Resistance
(Downseating)

4th

No. of
Stages*
3	Three
4	Four
6	Six

Air to Close

5th

6th

Optional
Configuration

Trim Size
0	 Optional Trim

F		Forged

1	 Trim A, Balanced
Hard Seat

		 Body Design
EB	Extension

2	 Trim B, Balanced
Hard Seat

88	Spring-Diaphragm
Air to Open

		 Bonnet

3	 Trim C, Balanced
Hard Seat

84	 Cylinder: Spring Return,
Direct, Air
to Close, Single
or Double Acting
(Fail Open Action

4	 Trim A, Balanced Soft
Seat
5	 Trim B, Balanced Soft
Seat

85	 Cylinder: Spring Return,
Reverse
Air to Open, Single
or Double Acting
(Fail to Close)

6	 Trim C, Balanced Soft
Seat
7		 Trim A, Unbalanced
Hard Seat

86	 Cylinder: Double
Acting, Without
Springs, Air to
Open or Air to
Close Action

8		 Trim B, Unbalanced
Hard Seat

*	Additional stages are available to meet specific operating conditions. Please consult Masoneilan.

9		 Trim C, Unbalanced
Hard Seat

Temperature Range / Seat Leakage
Valve Sizes

Temperature Range (1)

inches

DN

1

25

1.5 to 8

40 to 200

2 to 8

50 to 200

Trim Type

Seat Type

Unbalanced

min.

max.(4)

Metal Seat

-20°F (-29°C)

600°F (316°C)

Balanced

Metal Seat

-20°F (-29°C)

600°F (316°C)

Unbalanced

Metal Seat

-20°F (-29°C)

600°F (316°C)

Balanced or
Unbalanced

Soft Seat

-20°F (-29°C)

450°F (232°C)

Seat
Leakage
Class (2)
V
(See Note 3)
VI

1. Designs for higher or lower temperatures are available. Please consult Masoneilan.
2. Seat leakage class ratings per IEC 534-4 and ANSI/FCI 70.2. Class V seat leakage is standard and Class VI is optional.
3. Optional block valve tight shutoff per MSS-SP-61 also available.
4. Max. temp. limit of 600°F (316°C) with unbalanced trim requires use of optional flexible graphite packing or an extension bonnet.

4

Balance Seal Pressure and Temperature Limits
LincolnLog 78400/18400 Balance Seal Pressure-Temperature Application Range
7000 (483)

6000 (414)

5000 (345)

Pressure in psi (bar)

4000 (276)

PTFE (Fluoroloy® A21)
with Elgiloy® Spring and
PTFE Back-up Rings

3000 (207)

2000 (138)

1000 (69)

0
200°F
(93°C)

300°F
(149°C)

400°F
(204°C)

500°F
(260°C)

600°F
(316°C)

700°F
(371°C)

Temperature Range in °F (°C)

Ratings/Connections
q RF Flanged 	

l Socket Weld 	
Valve Size

m Threaded 	

Δ RT Joint 	

n Butt Weld
Pressure Class (2)

(1)

inches

DN

600

900

1500

2500

1 & 1.5

25 & 40

qlmΔn

qlmΔn

qlmΔn

qlmΔn

2

50

qlmΔn

qlmΔn

qlmΔn

qlmΔn

3

80

qΔn

qΔn

qΔn

qΔn

4

100

qΔn

qΔn

qΔn

qΔn

6

150

qΔn

qΔn

qΔn

qΔn

8

200

qΔn

qΔn

qΔn

qΔn

1) Sizes, ratings and end connections are available in both globe and angle body styles.
2) Pressure classes shown represent ASME/ANSI ratings and equivalent PN ratings.

5

Flow Capacity and FL
Satandard Capacity — 3-Stage Design
Valve Size
Inches

Flow Characteristic: MODIFIED LINEAR
Orifice Diameter

DN

Inches

Travel

mm

Inches

mm

CV

Min, Cont. CV

FL

1

25

.70

17.8

.25

6.35

2.0

.98

.05

1.5

40

1.00

25.4

.25

6.35

3.8

.98

.10

2

50

1.50

38.1

.38

9.65

9.0

.98

.15

3

80

2.25

57.2

.62

15.7

20

.98

.25

4

100

2.88

73.2

.75

19.1

34

.98

.43

6

150

4.12

105

1.00

25.4

65

.98

.56

8

200

5.38

137

1.25

31.8

135

.98

1.0

Satandard Capacity — 4-Stage Design
Valve Size

Flow Characteristic: MODIFIED LINEAR

Orifice Diameter

Travel

Trim A

Trim B

Trim C

Min,
Cont.
CV

Inches

DN

Inches

mm

Inches

mm

CV

FL

CV

FL

CV

FL

1

25

.70

17.8

.25

6.35

1.0

.996

1.4

.994

1.7

.991

.04

1.5

40

1.00

25.4

.25

6.35

1.9

.996

2.5

.994

3.2

.991

.08

2

50

1.50

38.1

.38

9.65

4.5

.996

6.0

.994

7.5

.991

.12

3

80

2.25

57.2

.62

15.7

10

.996

13

.994

16.5

.991

.20

4

100

2.88

73.2

.75

19.1

16.5

.996

22

.994

28

.991

.35

6

150

4.12

105

1.00

25.4

34

.996

45

.449

56

.991

.46

8

200

5.38

137

1.25

31.8

70

.996

90

.994

115

.991

.80

Satandard Capacity — 6-Stage Design
Valve Size

6

Trim C

Flow Characteristic: MODIFIED LINEAR

Orifice Diameter

Travel

Trim A

Trim B

Trim C

Inches

DN

Inches

mm

Inches

mm

CV

FL

CV

FL

CV

FL

1

25

.70

17.8

.25

6.35

.80

.996

1.0

.994

1.4

.991

Min,
Cont.
CV
.03

1.5

40

1.00

25.4

.25

6.35

1.4

.996

1.8

.994

2.5

.991

.05

2

50

1.50

38.1

.38

9.65

3.5

.996

4.5

.994

6.0

.991

.08

3

80

2.25

57.2

.62

15.7

7.5

.996

9.5

.994

13

.991

.13

4

100

2.88

73.2

.75

19.1

12

.996

16

.994

22

.991

.22

6

150

4.12

105

1.00

25.4

25

.996

33

.449

45

.991

.30

8

200

5.38

137

1.25

31.8

50

.996

65

.994

91

.991

.65

Flow Characteristics
The LincolnLog trim provides a smooth modified
linear control characteristic with “clearance flow”
capacity over the initial 15% of valve travel as shown
in the generic chart and table at right.

LincolnLog CV vs. Travel

Incorporation of the multi-stage “clearance flow”
design concept prevents high pressure drops across
the LincolnLog seating area while throttling at low
lifts. This feature helps to extend trim life significantly, resulting in dependable and tight shutoff
whenever required. It also improves the throttling
control stability and performance at low lifts, while
providing smooth, accurate and continuous capacity
control from 15% to 100% plug travel. Controllability
extends from the Maximum Rated CV to the
Minimum Controllable CV for any valve size resulting
in typical turndown ratios of 50:1.
% Max. Opening

5

10

20

30

40

50

60

70

80

90

100

% Max. CV

*

*

3

15

27

39

52

64

76

88

100

* Clearance Flow Only

Trim Seat Protection
The “clearance flow” feature described in the previous section is achieved through the trim overlap design
illustrated below:

LincolnLog Trim Overlap Seat Protection Feature

Flow Direction
0 - 15% of Plug Travel
Trim overlap with the valve in the
closed or low lift positions.

Flow Direction
15 - 100% of Plug Travel
There is much greater flow area through
the valve seat versus the plug notches.
As a result, pressure drop and velocities
across the critical seating surfaces are
controlled eliminating seat damage.

7

Valve Sizing Guidelines
General

Trim Selection

LincolnLog multi-stage control valves can be sized
using either standard IEC/ISA equations or using
the latest Masoneilan sizing and selection software
program.

As indicated in the table below, the LincolnLog is
available in various standard trim types and number
of stages. Each trim style provides different staging
ratios and different pressure drop percentages per
stage. Recommended limits for ∆P per stage are 800
psi (60 bar) for continuous duty cycle applications and
up to 1000 psi (70 bar) ∆P per stage for intermittent
service. The recommended operating throttling ∆P
limits are also shown in the table below.

Noise Predictions
Valve noise calculations can be performed using the
Masoneilan sizing and selection program based on the
latest IEC equations. The serial stage construction of
the LincolnLog design helps to
significantly reduce trim noise. Calculating the
noise at the last stage of the LincolnLog trim
will closely approximate the overall valve noise
produced. Pressure drop across the last stage can be
derived from the table below and used in the noise
calculations.

Engineered Solutions
For flashing service, the expansion ratio of the fluid
will determine the appropriate staging ratio to apply.
Non-standard staging ratios can be supplied for
compressible two-phase flow or flashing conditions
not covered by the standard trim. Please consult
Masoneilan for proper sizing and design of engineered
solutions for these types of applications.

Staging Ratios & Pressure
Drop Guidelines
No. of
Stages

Staging
Ratios (1x2)

C

3

1-1-2

C

4

1-1-1-2

Trim Type

B

A

C

B

A

4

4

6

6

6

1-1-2-3

1-1-2-4

1-1-1-1-1-2

1-1-1-1-2-3

1-1-1-1-2-4

Pressure Drop per Stage(3)
Stages

Fraction of
Total ΔP

1 to 2

.44

3

.11

1 to 3

.31

4

.08

1 to 2

.42

3

.11

4

.05

1 to 2

.43

3

.11

4

.03

1 to 5

.19

6

.05

1 to 4

.23

5

.06

6

.025

1 to 4

.23

5

.06

6

.014

Maximum Recommended Throttling ΔP
Continuous Service

Intermittent Service

psi

bar

psi

bar

1595

110

2030

140

2248

155

2900

200

1885

130

2320

160

1885

130

2320

160

3698

255

4713

325

3480

240

4350

300

3408

235

4278

295

(1) Staging ratios provide approximations of the relative area ratios for each specific trim type. As an example, a staging ratio of 1-1-2
indicates that the final stage for that trim type has approximately twice the area of the first two stages.
(2) Staging ratios do not have any relative correlation between the different trim types.
(3) R
 ecommended limits for ΔP per stage are 800 psi (60 bar) for continuous duty cycle applications and up to 1000 psi (70 bar) ΔP per
stage for intermittent service.
8

9

Table 4 - TRI-NADO TM Parts List
Item Number

10

Quantity Used

Identification

1

2

Headplate

2

1

Cylinder

3

1

Gearbox

5

1

End Cover

7

2

Impeller

8

4

Bearing Clamp Plate

9

2

Gear

12

1

Shaft - Gear End Driven

14

2

Shaft - Opposite Gear End

16

1

Key (coupling)

17

2

Shim Set

18

2

Gasket - Gearbox/End Cover

21

16

Lock Washer (clamp plates)

22

16

Cap Screw - Hex Head (clamp plates)

23

1

Seal - Drive Shaft

27

4

Seal - Inboard

29

2

Lifting Lug

30

76

Cap Screw - Hex Head (covers/plates)

30A

6

Cap Screw - Hex Head (lifting lugs)

31

4

Bearing - Spherical Roller

34

1

Name

35

18

Drive Screw - Round Head (nameplates/arrow)

36

4

Dowel Pin (gearbox alignment)

37

2

Vent Plug

42

54

Cap Screw - Socket Head (impeller)

43

6

Taper Pin (impeller)

44

1

Label - WHISPAIR™

69

6

Pipe Plug (headplate)

70

5

Pipe Plug gearbox/end cover/cylinder)

74

1

Rotation Arrow

87

2

Sight Plug - Oil Level

92

2

Label - Identification

100

4

Dowel Pin - Pull Out (headplate alignment)

101

2

Lock Nut (gears/bearings)

105

1

Shaft - Gear End Drive
Piston Ring Seal

109

4

141

1

Slinger - Opposite Gear End

181

1

Cover Plate - Cylinder

182

12

Cap Screw - Hex Head (cover plate)

184

1

Slinger - Gear End

185

3

Cap Screw - Button Head (slinger)
Washer (slinger)

186

6

188

2

Washer - Wavy Spring

194

4

Anti-rotation Pin

194A

4

Washer

196

4

Cap Screw - Hex Head (slinger)

197

2

Close Nipple (vent plug)

198

2

Pipe Coupling (vent plug)

203

4

Flat Washer (slinger)

Trouble Shooting Checklist
Trouble

No flow

Low Capacity

Excessive Power

Overheating of bearings
or gears

Vibration

Item

Excessive breather
blowby or
excessive oil leakage to
vent area

Remedy

Speed too low

Check by tachometer and compare with speed on Roots
Order Acknowledgement.

2
3

Wrong rotation
Obstruction in piping

Compare actual rotation, change driver rotation if wrong.
Check piping valve, silencer, to assure open flow path.

4
5

Speed too slow
Excessive pressure rise

6
7

Obstruction in piping
Excessive slip

See Item 1.
Check inlet vacuum and discharge pressure and compare these figures with specified operation conditions on
order.

8
9
10

Speed too high
Excessive pressure rise
Impeller rubbing

See Item 1.
See Item 5.
Inspect outside of cylinder for high temperature areas,
then check
for impeller contact at these points. Look for excessive
scale build-up. Correct blower mounting drive alignment.

11
12

Inadequate lubrication
Excessive lubrication

Check oil sump levels in end covers.
Check oil levels. If correct, drain and refill with clean oil or
recommended grade

13
14

Excessive pressure rise
Coupling misalignment

See Item 5.
Check carefully. Realign if questionable.

15
16
17

Misalignment
Impellers rubbing
Worn bearings/gears

See Item 14.
See Item 10.
Check gear backlash and condition of bearings and
replace as indicated.

18

Unbalanced or rubbing
impellers

Scale or process material may build up on casing and
impellers or inside impellers. Remove build-up to restore
original clearances and impeller balance.

19
20
Driver stops or will not
start

Possible Cause

1

Driver or blower loose
Piping resonance

See Item 3.
Check inside of casing for worn or eroded surfaces causing excessive clearances.

Tighten mounting bolts accurately.
Determine whether standing wave pressure pulsations
are present in the piping. Refer to Sales Office.

21

Impeller stuck

Check for excessive hot spot on headplate or cylinder.
See Item 10. Look for detective shaft, bearing and/or
gear teeth.

22

Broken seal

Replace seals

11

GE Oil & Gas
Roots Blowers, Compressors and Controls
Houston, Texas Headquarters | U.S. Toll Free T 1 877 363 7668 | T +1 832 590 2600
Connersville, Indiana Operations | U.S. Toll Free T 1 877 442 7910 | T +1 765 827 9285
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Visit us online at:
www.geoilandgas.com/valves
2013 General Electric Company
All Rights Reserved
*Denotes trademarks of General Electric Company

GEA19511 ILRB_3007		

04/2013



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