GE Oil & Gas Technical Specifications

03/2016

Masoneilan*
171-172 Series
Direct-Operated,
Pressure Reducing Regulator

GE Data Classification : Public

Numbering System

— —
1st 2nd 3rd 1st 2nd 3rd 4th Option

1 7 X X X X X X

Regulator Series Model

1 NPT or
— Action

1 Reducing 1
Diaphragm

Metal
Trim Size

01 50
Action

Differential
GAS Ends Metal Seat Diaphragm 02 Pressure
2 Flanged 2 Reducing 2 Elastomeric 03
or Soft Seat Diaphragm
04
Threaded
Ends 05
06
08
10
12
14
16
18
20
22

2 | GE Oil & Gas © 2016 General Electric Company. All rights reserved.
171 Series 172 Series
NPT or Gas End Connections Threaded or Flanged End Connections
Cast Iron Construction Carbon Steel, Stainless Steel &
The 171 series are direct-operated, pressure reducing Alloy Construction
regulators. They are available in 1/2 through 1 ½ inch (DN15 The 172 series are direct-operated, pressure reducing
through DN40) with NPT or GAS threaded connections. regulators. They are available in 1/2 through 2 inch
The regulators are available only in cast iron. The robust (DN15 through DN50) body sizes and can be supplied with
construction can sustain rugged use. The design can handle a wide range of different end connections.The flanged
inlet pressures up to 580 psig (40 barg). design provides flexibility to meet custom face to face
dimensions as required. The regulators have a compact
Features design and durable construction to sustain rugged use.
• Economical design
• In-line maintenance Features
• Elastomer discs for tight • Versatility
shutoff • In-line maintenance
• Rugged construction • High stability
• Rugged construction
Specifications
Body Specifications
Body Sizes and End Connections Body
• 1/2” through 1 1/2” (DN15 Body Sizes and End Connections
through DN40) NPT or GAS • see 172-table 1
Maximum Inlet Pressure Maximum Inlet Pressure
• 580 psig (40 barg) • see 172-table 5
Maximum Outlet Pressure Set Point Range
• see 171-table 1 • see 172-table 2
Set Point Range Materials of Construction
• 3 to 217 psig (0.21 to 15 barg) • see 172-table 4
see 171-table 1
Temperature Range
Temperature Range • see 172-tables 4, 8, 9
• see 171-tables 3, 4
Pressure Sensing
Pressure Sensing • internal (external on request)
• internal (external on request)
Capacities
Capacities • see 172-tables 5, 6
• see 171-table 6
Allowable Pressure Drop
Weight • see 172-tables 10-14 English units,
• see 171-table 5 15-19 Metric units

Weight
• see 172-tables 20, 21

© 2016 General Electric Company. All rights reserved. Masoneilan 171-172 Series Pressure Reducing Regulator Tech Specifications | 3
 29

171 Series Materials 3 1 25 26

Part “A” (only on request)

14 PART. "A"
15
16 8

10
31 17
9
13 (only on request)
18
Materials
12
“A” 1 Cover
11
19 2 Gasket

8 3 L.P. Body
20
4 H.P. Body
7
21 5 Pin
5
6 Plug
22
4 7 Servomotor Flange
23
8 Diaphragm
2b 9 Protection (if requested)
2a
10 O-ring Gasket
6
29 11 Diaphragm Plate

12 Spring

3 1 25 26 2c 13 Spring Cover

14 Lock Nut

171 - Table 1 - Standard Set Pressure Ranges 15 Adjusting Screw

PART. "A" psig barg 16 Spring Loader

8 10.5 to 31 0.72 to 2.2 17 Nut

16 to10
36 1.1 to 2.5 18 Spring Guide

9 21 to 57 1.4 to 4.0 19 Screw

(only on request)52 to 91 3.6 to 6.3 20 Nut

88 to 140 6.0 to 9.7 21 Little Plate

133 to 217 9.1 to 15.0 22 Screw

Maximum Outlet Pressure 23 Guide

Actuator Size Max Outlet Pressure 24 Spring

140 145 psig (10 barg) 25 Plug Tap

130 350 psig (24.1 barg) 26 Disc

120 470 psig (32.4 barg)

Set pressure ranges shown are representative only. For optimum

accuracy, final selection should be made using the Masoneilan
ValSpeQ* sizing and selection software.

4 | GE Oil & Gas © 2016 General Electric Company. All rights reserved.
171 Series Materials and Dimensions

171 - Table 2 - Standard Material Combinations 171 - Table 3 - Temperature Ranges for Diaphragms
on Spring CrV Steel
Chloroprene (CR)* 32 to 194°F (0 to 90°C)
Body
Ethylene-Propylene (EPDM+PTFE)** 32 to 450°F (0 to 232°C)
Cast Iron*
Fluoroelastomer (FKM+FPM)*** 32 to 392°F (0 to 200°C)
32°F < T < 450°F Stainless Steel** 32 to 450°F (0 to 232°C)
(0°C < T < 232°C)
LP Body Cast Iron 171 - Table 4 - Temperature Ranges for Disc Elastomers
HP Body 316 SS
Fluoroelastomer (FKM)* 32 to 392°F (0 to 200°C)
Cover Carbon Steel
Polytetrafluoroethylene (PTFE)*** 32 to 450°F (0 to 232°C)
Studs Carbon Steel
Stainless Steel** 32 to 450°F (0 to 232°C)
Gasket PTFE
Trim 171 - Table 5 - Assembly Weights
FKM* Air, Gas, Liquids 316 Actuator Size
Disc Size
SS** Steam Service
100/120/130/140 220
Plug Stem 316 SS 1/2” (DN15) 36.8 lbs (16.7 kg) 46.7 lbs (21.2 kg)
Guide Bushing 303 SS 3/4” (DN20) 36.8 lbs (16.7 kg) 46.7 lbs (21.2 kg)
Actuator 1” (DN25) 36.6 lbs (16.6 kg) 46.5 lbs (21.1 kg)
Spring Casing Cast Iron 1 1/2” (DN40) 36.4 lbs (16.5 kg) 46.3 lbs (21 kg)
Actuator Lower
Cast I
Casing 171 - Table 6 - Rated Cv for All Body Sizes with Elastomer
CR (Polychloroprene)* Diaphragm

FPM*** Body Size

Diaphragm Trim
Ethylene-Propylene Number 1/2” 3/4” 1” 1 1/2”
(EPDM + PTFE)** Steam Service (DN15) (DN20) (DN25) (DN40)
1 0.031 0.031 0.031 0.031
Configurations/Material Availability 2 0.15 0.15 0.16 0.16
* Standard - Except Steam Service 3 0.35 0.35 0.35 0.35

** Steam Service 4 0.57 0.59 0.59 0.59

5 1.0 1.0 1.0 1.0
*** Non Standard - Manufactured on Request
6 1.2 1.2 1.2 1.2
8 2.1 2.1 2.2 2.3
10 3.0 3.1 3.1 3.3
17" (430)

12 4.3 4.3 4.4 4.7

A 14 5.5 5.5 6.0
16 5.9 6.1 6.6
18 7.5 8.2 (8.0) (1)
20 8.2 10.4 (9.8) (1)
22 12.8 (12.5) (1)
(1) Reduced Cv for actuator 100
4.5" (115)

171 - Table 7 - Actuator Case Dimensions

Actuator Model A
= =
100/120/130 5.2” (132mm)
5.13" (130)
140 5.5” (140mm)
Dimensions with Seal Cap 220 8.7” (220mm)

© 2016 General Electric Company. All rights reserved. Masoneilan 171-172 Series Pressure Reducing Regulator Tech Specifications | 5
172 Series Construction

Actuator Sizes 100 to 140

Materials
31 24
1 Blindhead
13 23 2 (a,b,c,d,e) Gasket Set

3 Body
12
22
4 H.P. Insert
11
5 Inlet Flange
21
10 6 Plug
9
8 20 7 Actuator Diaphragm Case

8 Diaphragm
7 19
9 Protection
2a 18 10 O-Ring

6 11 Diaphragm Plate (upper)

15
12 Spring

5 13 Spring Case
16c
17c 14 Disc
4
2d 15 Guide
16a 16 (a,b,c,d) Nut
17a 14
17 (a,b,c,d) Stud

18 Screw
2b 3 2c 1 16b 27
17b 19 Diaphragm Plate (lower)
22 20 Spring Button (lower)
25
12 21 Nut
Flanged Construction 22 Ball

23 Adjusting Screw Locknut

26 24 Adjusting Screw

25 Ball Seat
2e
26 Seal Cap

27 Plug Screw

31 Spring Button (upper)

16d
17d
Threaded Construction Optional Sealed Cap

6 | GE Oil & Gas © 2016 General Electric Company. All rights reserved.
172 Series Construction

Actuator Size 220 Handwheel

(optional)
Materials

1 Blindhead

2 Gaskets Set

3 Body

4 Plug

5 Inlet Flange

6 H.P. Insert

7 Actuator Diaphragm Case

8 Diaphragm

9 Protection (Option)

10 O-Ring

11 Diaphragm Plate (upper)

12 Spring

13 Spring Case

14 Adjusting Screw Locknut

15 Adjusting Screw

16 Spring Button (upper)

17 Nut

18 Spring Button (lower)

19 Screw

20 Nut

21 Diaphragm Plate (lower)

22 Screw
Flanged Construction
23 Guide

24 Outlet Flange

25 Disc

26 Stud

27 Nut

28 Plug Screw

29 Screw

31 Ball Seat
Threaded Construction 32 Ball

33 Spring

34 Pin

© 2016 General Electric Company. All rights reserved. Masoneilan 171-172 Series Pressure Reducing Regulator Tech Specifications | 7
172 Series Dimensions

Actuator Sizes 100 to 140

Flanged End Construction Threaded End Construction

Dimensions with handwheel or seal cap

16. 15 " ( 410)

Ø 5½" Ø 5½"
(140) (140)
15 " ( 380)

15 " ( 380)
Diam.

.15 " ((80)

80)
3.15 " (80)

( 120)
4¾ "

33.13”
5.8" (147.5) 5.4" (137.5) = =
Dimensions with
balanced
A construction B

172 - Table 1 - Body Sizes and Face-to-Face Dimensions (1)

Flanged Threaded

DN PN 16 ANSI 150RF NPT-F

PN 25 ANSI 300RF GAS-F Con.

PN 40 ANSI 600RF BSP-F

A B

1/2” (DN15) 11 1/4” (285mm) 11 1/4” (285mm) 5 1/8” (130mm)

3/4” (DN20) 11 1/4” (285mm) 11 1/4” (285mm) 5 1/8” (130mm)

1” (DN25) 11 1/4” (285mm) 11 1/4” (285mm) 5 1/8” (130mm)

1 1/2” (DN40) 11 1/4” (285mm) 11 1/4” (285mm)

(1)
Special face-to-face dimensions available on request

8 | GE Oil & Gas © 2016 General Electric Company. All rights reserved.
172 Series Dimensions

Actuator Size 220

Flanged End Construction Threaded End Construction

172 - Table 2 - Body Sizes and Face-to-Face Dimensions (1)

Flanged Threaded

DN PN 16 ANSI 150RF NPT-F

PN 25 ANSI 300RF GAS-F Con.

PN 40 ANSI 600RF BSP-F

A B

1/2” (DN15) 11 1/4” (285mm) 11 1/4” (285mm) 5 1/8” (130mm)

3/4” (DN20) 11 1/4” (285mm) 11 1/4” (285mm) 5 1/8” (130mm)

1” (DN25) 11 1/4” (285mm) 11 1/4” (285mm) 5 1/8” (130mm)

1 1/2” (DN40) 11 1/4” (285mm) 11 1/4” (285mm)

(1)
Special face-to-face dimensions available on request

© 2016 General Electric Company. All rights reserved. Masoneilan 171-172 Series Pressure Reducing Regulator Tech Specifications | 9
172 Series Set Pressure Ranges

172 - Table 3 - Standard Set Pressure Ranges

psig barg Actuator Size Maximum Outlet Pressure
1.36 to 1.80 0.094 to 0.12
1.54 to 3.0 0.106 to 0.20
1.84 to 3.4 0.127 to 0.24
2.1 to 5.4 0.144 to 0.37
3.8 to 8.7 0.26 to 0.60
5.8 to 13.4 0.40 to 0.93 220 42 psig (2.9 barg)
8.4 to 14.3 0.58 to 0.99
13 to 21 0.89 to 1.5
16 to 24 1.1 to 1.6
20 to 26 1.4 to 1.8
23 to 39 1.6 to 2.7
10 to 19 0.7 to 1.3
16 to 31 1.1 to 2.1
23 to 47 1.6 to 3.3
32 to 50 2.2 to 3.5
140 145 psig (10 barg)
48 to 75 3.3 to 5.2
60 to 83 4.1 to 5.7
74 to 91 5.1 to 6.3
82 to 133 5.7 to 9.2
25 to 44 1.7 to 3.0
39 to 74 2.7 to 4.9
55 to 110 3.8 to 7.6
76 to 116 5.2 to 8.0
130 362 psig (25 barg)
113 to 175 7.8 to 12.1
141 to 192 9.7 to 13.2
174 to 211 12.0 to 14.5
193 to 320 13.3 to 22.1
37 to 59 2.6 to 4.1
56 to 95 3.8 to 6.6
77 to 147 5.3 to 10.1
105 to 156 7.3 to 10.8
120 470 psig (32.4 barg)
156 to 235 10.8 to 16.2
193 to 258 13.3 to17.8
238 to 283 16.4 to 19.5
263 to 428 18.1 to 29.5
65 to 126 4.5 to 8.7
105 to 203 7.2 to 14.0
151 to 314 10.4 to 21.6
211 to 334 14.6 to 23.0
100 754 psig (52 barg)
319 to 502 22.0 to 34.6
397 to 550 27.4 to 37.9
494 to 604 34.1 to 41.7
548 to 667 37.8 to 46.0

Represents standard spring ranges. others are optional, provided upon request.

10 | GE Oil & Gas © 2016 General Electric Company. All rights reserved.
172 Series Materials

172 - Table 4 - Standard Material Combinations

Body
Carbon Steel* Full Carbon Steel*** 316 SS* Full 316 SS***

32°F < T < 392°F -20°F < T < 482°F -20°F < T < 482°F -320.8°F < T < 482°F

(0°C < T < 200°C) (-29°C < T < 250°C) (-29°C < T < 250°C) (-196°C < T < 250°C)

Body Carbon Steel Carbon Steel 316 SS 316 SS

Blindhead Carbon Steel Carbon Steel 316 SS 316 SS

Gasket PTFE PTFE PTFE PTFE

Trim

Seat 316 SS 316 SS 316 SS 316 SS

Disc See table 8 See table 8 See table 8 See table 8

Plug Stem 316 SS 316 SS 316 SS 316 SS

Guide Bushing 304 SS / 17-4PH 304 SS / 17-4PH 304 SS / Nitronic 60 304 SS / Nitronic 60

Actuator

Spring Case Cast Iron Carbon Steel Carbon Steel 316 SS

Diaphragm Case Carbon Steel Carbon Steel 316 SS 316 SS

Spring CrV Steel CrV Steel CrV Steel 316 SS

Diaphragm See table 9

Special constructions are available in LCB, WCC (N.A.C.E.), 316L, 317, Duplex, Superduplex, Monel, Hastelloy B/C

Configurations/Material Availability
* Standard - Except Steam Service

*** Non Standard - Manufactured on Request

© 2016 General Electric Company. All rights reserved. Masoneilan 171-172 Series Pressure Reducing Regulator Tech Specifications | 11
172 Series Cv Ratings

172 - Table 5 - Maximum Inlet Pressures

End P Max
Construction
Connection 68°F (20°C) 212°F (100°C) 392°F (200°C) 482°F (250°C) 572°F (300°C)

CS
1566 psig 1566 psig 1566 psig 1566 psig 1566 psig
Full CS 108 barg) (108 barg) (108 barg) (108 barg) (108 barg)
SS
1175 psig 1088 psig 899 psig 841 psig 783 psig
Flanged Full SS
(81 barg) (75 barg) (62 barg) (58 barg) (54 barg)

Full CS NACE 1262 psig 1262 psig 1262 psig 1262 psig 1262 psig
SS NACE (87 barg) (87 barg) (87 barg) (87 barg) (87 barg)

1059 psig 899 psig 841 psig 812 psig 798 psig
Full SS NACE
(73 barg) (62 barg) (58 barg) (56 barg) (55 barg)

4061 psig 3437 psig 2886 psig 2741 psig 2567 paig
1/2” - 1”
(280 barg) (237 barg) (199 barg) (189 barg) (177 barg)
Threaded
1392 psig 1189 psig 986 psig 928 psig 870 psig
1 1/2”
(96 barg) (82 barg) (68 barg) (64 barg) (60 barg)

172 - Table 6 - Rated Cv for All Body Sizes with Elastomer Diaphragm

Body Size
Trim Number
1/2” (DN15) 3/4” (DN20) 1” (DN25) 1 1/2” (DN40) 2” (DN25)

1 0.031 0.031 0.031 0.031 0.031

2 0.15 0.15 0.16 0.16 0.16

3 0.35 0.35 0.35 0.35 0.35

4 0.57 0.59 0.59 0.59 0.59

5 1.0 1.0 1.0 1.0 1.0

6 1.2 1.2 1.2 1.2 1.2

8 2.1 2.1 2.2 2.3 2.3

10 3.0 3.1 3.1 3.3 3.5

12 4.3 4.3 4.4 4.7 4.7

14 5.5 5.5 6.0 6.0

16 5.9 6.1 6.6 7.9

18 7.5 8.2 (8.0)(1) 9.2 (9.0)(1)

20 8.2 10.4 (9.8)(1) 10.4 (10.1)(1)

22 12.8 (12.5)(1) 12.8 (12.5)(1)

(1) Reduced Cv for actuator 100

12 | GE Oil & Gas © 2016 General Electric Company. All rights reserved.
172 Series Cv Ratings

172 - Table 7 - Rated Cv for All Body Sizes with Metal Diaphragm
Body Size
Trim Number
1/2” (DN15) 3/4” (DN20) 1” (DN25) 1 1/2” (DN40) 2” (DN25)

1 0.031 0.031 0.031 0.031 0.031

2 0.11 0.12 0.13 0.15 0.15
3 0.24 0.24 0.24 0.24 0.24
4 0.40 0.40 0.40 0.40 0.40
5 0.44 0.44 0.44 0.44 0.44
6 0.67 0.67 0.67 0.67 0.67
8 1.2 1.3 1.4 1.4 1.4
10 1.7 1.7 1.7 1.9 1.9
12 2.0 2.0 2.0 2.0 2.0
14 2.4 2.4 2.4 2.4
16 2.7 2.7 2.7 2.7
18 3.0 3.0 3.0
20 3.5 4.0 4.0
22 4.3 4.3

172 - Table 8 - Temperature Ranges and Pressure Limits for Disc Elastomers
Minimum Temperature Maximum Temperature Maximum Pressure
°C °F °C °F barg psig
Fluorocarbon (FKM-FPM)* -10 14 200 392 40 580
Polytetrafluoroethylene (PTFE)*** -200 -328 250 482 200 2900
Stainless Steel** -196 -321 455 851 280 4060

172 - Table 9 - Temperature Ranges for Diaphragms

Minimum Temperature Maximum Temperature
Material
°C °F °C °F
Chloroprene (CR)* -20 -4 90 194
Fluorocarbon (FKM-FPM) + polyester*** -10 14 150 302
Fluorocarbon (FKM-FPM) + polyarylamide*** -10 14 200 392
Ethylene-Propylene (EPDM)** -35 -31 160 320
Stainless Steel** -196 -320.8 455 851

Special diaphragms are available in NBR (nitrile butadiene, Buna-N or equivalent), HNBR (hydrogenated nitrile), VMQ
(silicone), FVMQ (fluorosilicone), TFE/P (Aflas or equivalent)

Configurations/Material Availability
* Standard - Except Steam Service

** Steam Service

*** Non Standard - Manufactured on Request

© 2016 General Electric Company. All rights reserved. Masoneilan 171-172 Series Pressure Reducing Regulator Tech Specifications | 13
Allowable Pressure Drops

Room Temperature
Table 10 - Maximum Allowable Pressure Drop (Actuator size 100)
Trim Set Pressure (psig)
Number 65 141 216 292 367 442 518 595 667
1 3996 3920 3845 3770 3694 3619 3543 3466 3329
2 3996 3920 3845 3770 3694 3619 3543 3466 3329
3 3996 3920 3845 3770 3694 3619 3543 3466 3329
4 2519 3920 3845 3770 3694 3619 3543 3466 3329
5 1612 3475 3698 3698 3694 3619 3543 3466 3329
6 1120 2413 2567 2567 2567 2567 2567 2567 3329
8 630 1357 1436 1436 1436 1436 1436 1436 3329
10 403 869 914 914 914 914 914 914 3329
12 280 603 638 638 638 638 638 638 2828
14 206 443 464 464 464 464 464 464 2074
16 157 339 363 363 363 363 363 363 1581
18 124 268 276 276 276 276 276 276 1247
20 101 217 232 232 232 232 232 232 1015
22 83 179 189 189 189 189 189 189 827

T= 302° F
Trim Set Pressure (psig)
Number 65 141 216 292 367 442 518 595 667
1 3082 3007 2931 3118 2780 2705 2630 2553 2415
2 3082 3007 2931 3118 2780 2705 2630 2553 2415
3 3082 3007 2931 1952 2780 2705 2630 2553 2415
4 2519 3007 2931 1098 2780 2705 2630 2553 2415
5 1612 2886 2886 703 2780 2705 2630 2553 2415
6 1120 2002 2002 488 2002 2002 2002 2002 2415
8 630 1117 1117 275 1117 1117 1117 1117 2415
10 403 711 711 176 711 711 711 711 2415
12 280 493 493 122 493 493 493 493 2415
14 206 363 363 90 363 363 363 363 2074
16 157 276 276 69 276 276 276 276 1581
18 124 218 218 54 218 218 218 218 1247
20 101 174 174 44 174 174 174 174 1015
22 83 145 145 36 145 145 145 145 827

T= 572° F
Trim Set Pressure (psig)
Number 65 141 216 292 367 442 518 595 667
1 2531 2455 2380 2305 2229 2154 2078 2132 2002
2 2531 2455 2380 2305 2229 2154 2078 2132 2002
3 2531 2455 2380 2305 2229 2154 2078 2132 2002
4 2519 2455 2380 2305 2229 2154 2078 2132 2002
5 1612 2364 2364 2305 2229 2154 2078 2132 2002
6 1120 1639 1639 1639 1639 1639 1639 2132 2002
8 630 914 914 914 914 914 914 2132 914
10 403 595 595 595 595 595 595 2132 595
12 280 406 406 406 406 406 406 1952 406
14 206 305 305 305 305 305 305 1434 305
16 157 232 232 232 232 232 232 1098 232
18 124 174 174 174 174 174 174 868 174
20 101 145 145 145 145 145 145 703 145
22 83 116 116 116 116 116 116 581 116

14 | GE Oil & Gas © 2016 General Electric Company. All rights reserved.
Allowable Pressure Drops

Room Temperature
Table 11 - Maximum Allowable Pressure Drop (Actuator size 120)
Trim Set Pressure (psig)
Number 37 87 136 186 235 284 334 383 428
1 4023 3974 3925 3875 3826 3777 3727 3678 3633
2 4023 3974 3925 3875 3826 3777 3727 3678 3633
3 4023 3974 3925 3875 3826 3777 3727 3678 3633
4 3061 3974 3925 3875 3826 3777 3727 3678 3633
5 1959 3698 3698 3698 3698 3698 3698 3678 3633
6 1360 2567 2567 2567 2567 2567 2567 2567 2567
8 765 1436 1436 1436 1436 1436 1436 1436 1436
10 490 914 914 914 914 914 914 914 914
12 340 638 638 638 638 638 638 638 638
14 250 464 464 464 464 464 464 464 464
16 191 363 363 363 363 363 363 363 363
18 151 276 276 276 276 276 276 276 276
20 122 232 232 232 232 232 232 232 232
22 101 189 189 189 189 189 189 189 189

T= 302° F
Trim Set Pressure (psig)
Number 37 87 136 186 235 284 334 383 428
1 3110 3060 3011 2962 2912 2863 2814 2764 2719
2 3110 3060 3011 2962 2912 2863 2814 2764 2719
3 3110 3060 3011 2962 2912 2863 2814 2764 2719
4 3061 3060 3011 2962 2912 2863 2814 2764 2719
5 1959 2886 2886 2886 2886 2863 2814 2764 2719
6 1360 2002 2002 2002 2002 2002 2002 2002 2002
8 765 1117 1117 1117 1117 1117 1117 1117 1117
10 490 711 711 711 711 711 711 711 711
12 340 493 493 493 493 493 493 493 493
14 250 363 363 363 363 363 363 363 363
16 191 276 276 276 276 276 276 276 276
18 151 218 218 218 218 218 218 218 218
20 122 174 174 174 174 174 174 174 174
22 101 145 145 145 145 145 145 145 145

T-572°F
Trim Set Pressure (psig)
Number 37 87 136 186 235 284 334 383 428
1 2558 2509 2460 2411 2361 2312 2263 2213 2168
2 2558 2509 2460 2411 2361 2312 2263 2213 2168
3 2558 2509 2460 2411 2361 2312 2263 2213 2168
4 2558 2509 2460 2411 2361 2312 2263 2213 2168
5 1959 2364 2364 2364 2361 2312 2263 2213 2168
6 1360 1639 1639 1639 1639 1639 1639 1639 1639
8 765 914 914 914 914 914 914 914 914
10 490 595 595 595 595 595 595 595 595
12 340 406 406 406 406 406 406 406 406
14 250 305 305 305 305 305 305 305 305
16 191 232 232 232 232 232 232 232 232
18 151 174 174 174 174 174 174 174 174
20 122 145 145 145 145 145 145 145 145
22 101 116 116 116 116 116 116 116 116

© 2016 General Electric Company. All rights reserved. Masoneilan 171-172 Series Pressure Reducing Regulator Tech Specifications | 15
Allowable Pressure Drops

Room Temperature
Table 12 - Maximum Allowable Pressure Drop (Actuator size 130)
Trim Set Pressure (psig)
Number 25 61 97 133 170 207 245 283 320
1 4036 4000 3964 3928 3891 3854 3816 3778 3741
2 4036 4000 3964 3928 3891 3854 3816 3778 3741
3 4036 4000 3964 3928 3891 3854 3816 3778 3741
4 2727 4000 3964 3928 3891 3854 3816 3778 3741
5 1745 3698 3964 3928 3698 3698 3698 3698 3698
6 1212 2567 2567 2567 2567 2567 2567 2567 2567
8 682 1436 1436 1436 1436 1436 1436 1436 1436
10 436 914 914 914 914 914 914 914 914
12 303 638 638 638 638 638 638 638 638
14 223 464 464 464 464 464 464 464 464
16 170 363 363 363 363 363 363 363 363
18 135 276 276 276 276 276 276 276 276
20 109 232 232 232 232 232 232 232 232
22 90 189 189 189 189 189 189 189 189

T= 302° F
Trim Set Pressure (psig)
Number 25 61 97 133 170 207 245 283 320
1 3123 3086 3050 3014 2978 2940 2902 2864 2827
2 3123 3086 3050 3014 2978 2940 2902 2864 2827
3 3123 3086 3050 3014 2978 2940 2902 2864 2827
4 2727 3086 3050 3014 2978 2940 2902 2864 2827
5 1745 2886 2886 2886 2886 2886 2886 2864 2827
6 1212 2002 2002 2002 2002 2002 2002 2002 2002
8 682 1117 1117 1117 1117 1117 1117 1117 1117
10 436 711 711 711 711 711 711 711 711
12 303 493 493 493 493 493 493 493 493
14 223 363 363 363 363 363 363 363 363
16 170 276 276 276 276 276 276 276 276
18 135 218 218 218 218 218 218 218 218
20 109 174 174 174 174 174 174 174 174
22 90 145 145 145 145 145 145 145 145

T=572°F
Trim Set Pressure (psig)
Number 25 61 97 133 170 207 245 283 320
1 2572 2535 2499 2463 2426 2389 2351 2313 2276
2 2572 2535 2499 2463 2426 2389 2351 2313 2276
3 2572 2535 2499 2463 2426 2389 2351 2313 2276
4 2572 2535 2499 2463 2426 2389 2351 2313 2276
5 1745 2364 2364 2364 2364 2364 2351 2313 2276
6 1212 1639 1639 1639 1639 1639 1639 1639 1639
8 682 914 914 914 914 914 914 914 914
10 436 595 595 595 595 595 595 595 595
12 303 406 406 406 406 406 406 406 406
14 223 305 305 305 305 305 305 305 305
16 170 232 232 232 232 232 232 232 232
18 135 174 174 174 174 174 174 174 174
20 109 145 145 145 145 145 145 145 145
22 90 116 116 116 116 116 116 116 116

16 | GE Oil & Gas © 2016 General Electric Company. All rights reserved.
Allowable Pressure Drops

Room Temperature
Table 13 - Maximum Allowable Pressure Drop (Actuator size 140)
Trim Set Pressure (psig)
Number 10 25 39 54 68 84 100 116 133
1 4051 4036 4022 4007 3993 3977 3961 3945 3928
2 4051 4036 4022 4007 3993 3977 3961 3945 3928
3 4051 4036 4022 4007 3993 3977 3961 3945 3928
4 2606 4036 4022 4007 3993 3977 3961 3945 3928
5 1668 3698 3698 3698 3698 3698 3698 3698 3698
6 1158 2567 2567 2567 2567 2567 2567 2567 2567
8 651 1436 1436 1436 1436 1436 1436 1436 1436
10 417 914 914 914 914 914 914 914 914
12 290 638 638 638 638 638 638 638 638
14 213 464 464 464 464 464 464 464 464
16 163 363 363 363 363 363 363 363 363
18 129 276 276 276 276 276 276 276 276
20 104 232 232 232 232 232 232 232 232
22 86 189 189 189 189 189 189 189 189

T= 302° F
Trim Set Pressure (psig)
Number 10 25 39 54 68 84 100 116 133
1 3137 3123 3108 3094 3079 3063 3047 3031 3014
2 3137 3123 3108 3094 3079 3063 3047 3031 3014
3 3137 3123 3108 3094 3079 3063 3047 3031 3014
4 2606 3123 3108 3094 3079 3063 3047 3031 3014
5 1668 2886 2886 2886 2886 2886 2886 2886 2886
6 1158 2002 2002 2002 2002 2002 2002 2002 2002
8 651 1117 1117 1117 1117 1117 1117 1117 1117
10 417 711 711 711 711 711 711 711 711
12 290 493 493 493 493 493 493 493 493
14 213 363 363 363 363 363 363 363 363
16 163 276 276 276 276 276 276 276 276
18 129 218 218 218 218 218 218 218 218
20 104 174 174 174 174 174 174 174 174
22 86 145 145 145 145 145 145 145 145

T=572°F
Trim Set Pressure (psig)
Number 10 25 39 54 68 84 100 116 133
1 2586 2572 2557 2543 2528 2512 2496 2480 2463
2 2586 2572 2557 2543 2528 2512 2496 2480 2463
3 2586 2572 2557 2543 2528 2512 2496 2480 2463
4 2586 2572 2557 2543 2528 2512 2496 2480 2463
5 1668 2364 2364 2364 2364 2364 2364 2364 2364
6 1158 1639 1639 1639 1639 1639 1639 1639 1639
8 651 914 914 914 914 914 914 914 914
10 417 595 595 595 595 595 595 595 595
12 290 406 406 406 406 406 406 406 406
14 213 305 305 305 305 305 305 305 305
16 163 232 232 232 232 232 232 232 232
18 129 174 174 174 174 174 174 174 174
20 104 145 145 145 145 145 145 145 145
22 86 116 116 116 116 116 116 116 116

© 2016 General Electric Company. All rights reserved. Masoneilan 171-172 Series Pressure Reducing Regulator Tech Specifications | 17
Allowable Pressure Drops

Room Temperature
Table 14 - Maximum Allowable Pressure Drop (Actuator size 220)
Trim Set Pressure (psig)
Number 1.36 5.8 10.2 14.5 18.9 23.2 27.6 33.4 39.2
1 4060 4055 4051 4047 4042 4038 4033 4028 4022
2 4060 4055 4051 4047 4042 4038 4033 4028 4022
3 2184 4055 4051 4047 4042 4038 4033 4028 4022
4 1229 4055 4051 4047 4042 4038 4033 4028 4022
5 786 3346 3698 3698 3698 3698 3698 3698 3698
6 546 2324 2567 2567 2567 2567 2567 2567 2567
8 307 1307 1436 1436 1436 1436 1436 1436 1436
10 197 837 914 914 914 914 914 914 914
12 137 581 638 638 638 638 638 638 638
14 100 427 464 464 464 464 464 464 464
16 77 327 363 363 363 363 363 363 363
18 61 258 276 276 276 276 276 276 276
20 49 209 232 232 232 232 232 232 232
22 41 173 189 189 189 189 189 189 189

T= 302° F
Trim Set Pressure (psig)
Number 1.36 5.8 10.2 14.5 18.9 23.2 27.6 33.4 39.2
1 3146 3142 3137 3133 3128 3124 3120 3114 3108
2 3146 3142 3137 3133 3128 3124 3120 3114 3108
3 2184 3142 3137 3133 3128 3124 3120 3114 3108
4 1229 3142 3137 3133 3128 3124 3120 3114 3108
5 786 2886 2886 2886 2886 2886 2886 2886 2886
6 546 2002 2002 2002 2002 2002 2002 2002 2002
8 307 1117 1117 1117 1117 1117 1117 1117 1117
10 197 711 711 711 711 711 711 711 711
12 137 493 493 493 493 493 493 493 493
14 100 363 363 363 363 363 363 363 363
16 77 276 276 276 276 276 276 276 276
18 61 218 218 218 218 218 218 218 218
20 49 174 174 174 174 174 174 174 174
22 41 145 145 145 145 145 145 145 145

T=572°F
Trim Set Pressure (psig)
Number 1.36 5.8 10.2 14.5 18.9 23.2 27.6 33.4 39.2
1 2595 2590 2586 2582 2577 2573 2569 2563 2557
2 2595 2590 2586 2582 2577 2573 2569 2563 2557
3 2184 2590 2586 2582 2577 2573 2569 2563 2557
4 1229 2590 2586 2582 2577 2573 2569 2563 2557
5 786 2364 2364 2364 2364 2364 2364 2364 2364
6 546 1639 1639 1639 1639 1639 1639 1639 1639
8 307 914 914 914 914 914 914 914 914
10 197 595 595 595 595 595 595 595 595
12 137 406 406 406 406 406 406 406 406
14 100 305 305 305 305 305 305 305 305
16 77 232 232 232 232 232 232 232 232
18 61 174 174 174 174 174 174 174 174
20 49 145 145 145 145 145 145 145 145
22 41 116 116 116 116 116 116 116 116

18 | GE Oil & Gas © 2016 General Electric Company. All rights reserved.
Allowable Pressure Drops

Room Temperature
Table 15 - Maximum Allowable Pressure Drop (Actuator size 100)
Trim Set Pressure (barg)
Number 4.5 9.7 14.9 20.1 25.3 30.5 35.7 41 46
1 275.5 270.3 265.1 259.9 254.7 249.5 244.3 239.0 229.5
2 275.5 270.3 265.1 259.9 254.7 249.5 244.3 239.0 229.5
3 275.5 270.3 265.1 259.9 254.7 249.5 244.3 239.0 229.5
4 173.7 270.3 265.1 259.9 254.7 249.5 244.3 239.0 229.5
5 111.2 239.6 255.0 255.0 254.7 249.5 244.3 239.0 229.5
6 77.2 166.4 177.0 177.0 177.0 177.0 177.0 177.0 229.5
8 43.4 93.6 99.0 99.0 99.0 99.0 99.0 99.0 229.5
10 27.8 59.9 63.0 63.0 63.0 63.0 63.0 63.0 229.5
12 19.3 41.6 44.0 44.0 44.0 44.0 44.0 44.0 195
14 14.2 30.6 32.0 32.0 32.0 32.0 32.0 32.0 143
16 10.9 23.4 25.0 25.0 25.0 25.0 25.0 25.0 109
18 8.6 18.5 19.0 19.0 19.0 19.0 19.0 19.0 86
20 6.9 15.0 16.0 16.0 16.0 16.0 16.0 16.0 70
22 5.7 12.4 13.0 13.0 13.0 13.0 13.0 13.0 57

T= 150° C
Trim Set Pressure (barg)
Number 4.5 9.7 14.9 20.1 25.3 30.5 35.7 41 46
1 212.5 207.3 202.1 215.0 191.7 186.5 181.3 176.0 166.5
2 212.5 207.3 202.1 215.0 191.7 186.5 181.3 176.0 166.5
3 212.5 207.3 202.1 134.6 191.7 186.5 181.3 176.0 166.5
4 173.7 207.3 202.1 75.7 191.7 186.5 181.3 176.0 166.5
5 111.2 199.0 199.0 48.5 191.7 186.5 181.3 176.0 166.5
6 77.2 138.0 138.0 33.7 138.0 138.0 138.0 138.0 166.5
8 43.4 77.0 77.0 18.9 77.0 77.0 77.0 77.0 166.5
10 27.8 49.0 49.0 12.1 49.0 49.0 49.0 49.0 166.5
12 19.3 34.0 34.0 8.4 34.0 34.0 34.0 34.0 166.5
14 14.2 25.0 25.0 6.2 25.0 25.0 25.0 25.0 143
16 10.9 19.0 19.0 4.7 19.0 19.0 19.0 19.0 109
18 8.6 15.0 15.0 3.7 15.0 15.0 15.0 15.0 86
20 6.9 12.0 12.0 3.0 12.0 12.0 12.0 12.0 70
22 5.7 10.0 10.0 2.5 10.0 10.0 10.0 10.0 57

T=300°F
Trim Set Pressure (barg)
Number 4.5 9.7 14.9 20.1 25.3 30.5 35.7 41 46
1 174.5 169.3 164.1 158.9 153.7 148.5 143.3 147.0 138
2 174.5 169.3 164.1 158.9 153.7 148.5 143.3 147.0 138
3 174.5 169.3 164.1 158.9 153.7 148.5 143.3 147.0 138
4 173.7 169.3 164.1 158.9 153.7 148.5 143.3 147.0 138
5 111.2 163.0 163.0 158.9 153.7 148.5 143.3 147.0 138
6 77.2 113.0 113.0 113.0 113.0 113.0 113.0 147.0 113
8 43.4 63.0 63.0 63.0 63.0 63.0 63.0 147.0 63
10 27.8 41.0 41.0 41.0 41.0 41.0 41.0 147.0 41
12 19.3 28.0 28.0 28.0 28.0 28.0 28.0 134.6 28
14 14.2 21.0 21.0 21.0 21.0 21.0 21.0 98.9 21
16 10.9 16.0 16.0 16.0 16.0 16.0 16.0 75.7 16
18 8.6 12.0 12.0 12.0 12.0 12.0 12.0 59.8 12
20 6.9 10.0 10.0 10.0 10.0 10.0 10.0 48.5 10
22 5.7 8.0 8.0 8.0 8.0 8.0 8.0 40.1 8

© 2016 General Electric Company. All rights reserved. Masoneilan 171-172 Series Pressure Reducing Regulator Tech Specifications | 19
Allowable Pressure Drops

Room Temperature
Table 16 - Maximum Allowable Pressure Drop (Actuator size 120)
Trim Set Pressure (barg)
Number 2.6 6 9.4 12.8 16.2 19.6 23 26.4 29.5
1 277.4 274.0 270.6 267.2 263.8 260.4 257.0 253.6 250.5
2 277.4 277.4 270.6 267.2 263.8 260.4 257.0 253.6 250.5
3 277.4 277.4 270.6 267.2 263.8 260.4 257.0 253.6 250.5
4 211.0 270.6 270.6 267.2 263.8 260.4 257.0 253.6 250.5
5 135.1 255.0 255.0 255.0 255.0 255.0 255.0 253.6 250.5
6 93.8 177.0 177.0 177.0 177.0 177.0 177.0 177.0 177.0
8 52.8 99.0 99.0 99.0 99.0 99.0 99.0 99.0 99.0
10 33.8 63.0 63.0 63.0 63.0 63.0 63.0 63.0 63.0
12 23.4 44.0 44.0 44.0 44.0 44.0 44.0 44.0 44.0
14 17.2 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0
16 13.2 25.0 25.0 25.0 25.0 25.0 25.0 25.0 25.0
18 10.4 19.0 19.0 19.0 19.0 19.0 19.0 19.0 19.0
20 8.4 16.0 16.0 16.0 16.0 16.0 16.0 16.0 16.0
22 7.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0

T= 150° C
Trim Set Pressure (barg)
Number 2.6 6 9.4 12.8 16.2 19.6 23 26.4 29.5
1 214.4 211.0 207.6 204.2 200.8 197.4 194.0 190.6 187.5
2 214.4 211.0 207.6 204.2 200.8 197.4 194.0 190.6 187.5
3 214.4 211.0 207.6 204.2 200.8 197.4 194.0 190.6 187.5
4 211.0 211.0 207.6 204.2 200.8 197.4 194.0 190.6 187.5
5 135.1 199.0 199.0 199.0 199.0 197.4 194.0 190.6 187.5
6 93.8 138.0 138.0 138.0 138.0 138.0 138.0 138.0 138.0
8 52.8 77.0 77.0 77.0 77.0 77.0 77.0 77.0 77.0
10 33.8 49.0 49.0 49.0 49.0 49.0 49.0 49.0 49.0
12 23.4 34.0 34.0 34.0 34.0 34.0 34.0 34.0 34.0
14 17.2 25.0 25.0 25.0 25.0 25.0 25.0 25.0 25.0
16 13.2 19.0 19.0 19.0 19.0 19.0 19.0 19.0 19.0
18 10.4 15.0 15.0 15.0 15.0 15.0 15.0 15.0 15.0
20 8.4 12.0 12.0 12.0 12.0 12.0 12.0 12.0 12.0
22 7.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0

T=300°F
Trim Set Pressure (barg)
Number 2.6 6 9.4 12.8 16.2 19.6 23 26.4 29.5
1 176.4 173.0 169.6 166.2 162.8 159.4 156.0 152.6 149.5
2 176.4 173.0 169.6 166.2 162.8 159.4 156.0 152.6 149.5
3 176.4 173.0 169.6 166.2 162.8 159.4 156.0 152.6 149.5
4 176.4 173.0 169.6 166.2 162.8 159.4 156.0 152.6 149.5
5 135.1 163.0 163.0 163.0 162.8 159.4 156.0 152.6 149.5
6 93.8 113.0 113.0 113.0 113.0 113.0 113.0 113.0 113.0
8 52.8 63.0 63.0 63.0 63.0 63.0 63.0 63.0 63.0
10 33.8 41.0 41.0 41.0 41.0 41.0 41.0 41.0 41.0
12 23.4 28.0 28.0 28.0 28.0 28.0 28.0 28.0 28.0
14 17.2 21.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0
16 13.2 16.0 16.0 16.0 16.0 16.0 16.0 16.0 16.0
18 10.4 12.0 12.0 12.0 12.0 12.0 12.0 12.0 12.0
20 8.4 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0
22 7.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0

20 | GE Oil & Gas © 2016 General Electric Company. All rights reserved.
Allowable Pressure Drops

Room Temperature
Table 17 - Maximum Allowable Pressure Drop (Actuator size 130)
Trim Set Pressure (barg)
Number 1.7 4.2 6.7 9.2 11.7 14.3 16.9 19.5 22.1
1 278.3 275.8 273.3 270.8 268.3 265.7 263.1 260.5 257.9
2 278.3 275.8 273.3 270.8 268.3 265.7 263.1 260.5 257.9
3 278.3 275.8 273.3 270.8 268.3 265.7 263.1 260.5 257.9
4 188.0 275.8 273.3 270.8 268.3 265.7 263.1 260.5 257.9
5 120.3 255.0 255.0 255.0 255.0 255.0 255.0 255.0 255.0
6 83.6 177.0 177.0 177.0 177.0 177.0 177.0 177.0 177.0
8 47.0 99.0 99.0 99.0 99.0 99.0 99.0 99.0 99.0
10 30.1 63.0 63.0 63.0 63.0 63.0 63.0 63.0 63.0
12 20.9 44.0 44.0 44.0 44.0 44.0 44.0 44.0 44.0
14 15.4 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0
16 11.8 25.0 25.0 25.0 25.0 25.0 25.0 25.0 25.0
18 9.3 19.0 19.0 19.0 19.0 19.0 19.0 19.0 19.0
20 7.5 16.0 16.0 16.0 16.0 16.0 16.0 16.0 16.0
22 6.2 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0

T= 150° C
Trim Set Pressure (barg)
Number 1.7 4.2 6.7 9.2 11.7 14.3 16.9 19.5 22.1
1 215.3 212.8 210.3 207.8 205.3 202.7 200.1 197.5 194.9
2 215.3 212.8 210.3 207.8 205.3 202.7 200.1 197.5 194.9
3 215.3 212.8 210.3 207.8 205.3 202.7 200.1 197.5 194.9
4 188.0 212.8 210.3 207.8 205.3 202.7 200.1 197.5 194.9
5 120.3 199.0 199.0 199.0 199.0 199.0 199.0 197.5 194.9
6 83.6 138.0 138.0 138.0 138.0 138.0 138.0 138.0 138.0
8 47.0 77.0 77.0 77.0 77.0 77.0 77.0 77.0 77.0
10 30.1 49.0 49.0 49.0 49.0 49.0 49.0 49.0 49.0
12 20.9 34.0 34.0 34.0 34.0 34.0 34.0 34.0 34.0
14 15.4 25.0 25.0 25.0 25.0 25.0 25.0 25.0 25.0
16 11.8 19.0 19.0 19.0 19.0 19.0 19.0 19.0 19.0
18 9.3 15.0 15.0 15.0 15.0 15.0 15.0 15.0 15.0
20 7.5 12.0 12.0 12.0 12.0 12.0 12.0 12.0 12.0
22 6.2 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0

T=300°C
Trim Set Pressure (barg)
Number 1.7 4.2 6.7 9.2 11.7 14.3 16.9 19.5 22.1
1 177.3 174.8 172.3 169.8 167.3 164.7 162.1 159.5 156.9
2 177.3 174.8 172.3 169.8 167.3 164.7 162.1 159.5 156.9
3 177.3 174.8 172.3 169.8 167.3 164.7 162.1 159.5 156.9
4 177.3 174.8 172.3 169.8 167.3 164.7 162.1 159.5 156.9
5 120.3 163.0 163.0 163.0 163.0 163.0 162.1 159.5 156.9
6 83.6 113.0 113.0 113.0 113.0 113.0 113.0 113.0 113.0
8 47.0 63.0 63.0 63.0 63.0 63.0 63.0 63.0 63.0
10 30.1 41.0 41.0 41.0 41.0 41.0 41.0 41.0 41.0
12 20.9 28.0 28.0 28.0 28.0 28.0 28.0 28.0 28.0
14 15.4 21.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0
16 11.8 16.0 16.0 16.0 16.0 16.0 16.0 16.0 16.0
18 9.3 12.0 12.0 12.0 12.0 12.0 12.0 12.0 12.0
20 7.5 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0
22 6.2 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0

© 2016 General Electric Company. All rights reserved. Masoneilan 171-172 Series Pressure Reducing Regulator Tech Specifications | 21
Allowable Pressure Drops

Room Temperature
Table 18 - Maximum Allowable Pressure Drop (Actuator size 140)
Trim Set Pressure (barg)
Number 0.7 1.7 2.7 3.7 4.7 5.8 6.9 8 9.2
1 279.3 278.3 277.3 276.3 275.3 274.2 273.1 272.0 270.8
2 279.3 278.3 277.3 276.3 275.3 274.2 273.1 272.0 270.8
3 279.3 278.3 277.3 276.3 275.3 274.2 273.1 272.0 270.8
4 179.6 278.3 277.3 276.3 275.3 274.2 273.1 272.0 270.8
5 115.0 255.0 255.0 255.0 255.0 255.0 255.0 255.0 255.0
6 79.8 177.0 177.0 177.0 177.0 177.0 177.0 177.0 177.0
8 44.9 99.0 99.0 99.0 99.0 99.0 99.0 99.0 99.0
10 28.7 63.0 63.0 63.0 63.0 63.0 63.0 63.0 63.0
12 20.0 44.0 44.0 44.0 44.0 44.0 44.0 44.0 44.0
14 14.7 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0
16 11.2 25.0 25.0 25.0 25.0 25.0 25.0 25.0 25.0
18 8.9 19.0 19.0 19.0 19.0 19.0 19.0 19.0 19.0
20 7.2 16.0 16.0 16.0 16.0 16.0 16.0 16.0 16.0
22 5.9 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0

T= 150° C
Trim Set Pressure (barg)
Number 0.7 1.7 2.7 3.7 4.7 5.8 6.9 8 9.2
1 216.3 215.3 214.3 213.3 212.3 211.2 210.1 209.0 207.8
2 216.3 215.3 214.3 213.3 212.3 211.2 210.1 209.0 207.8
3 216.3 215.3 214.3 213.3 212.3 211.2 210.1 209.0 207.8
4 179.6 215.3 214.3 213.3 212.3 211.2 210.1 209.0 207.8
5 115.0 199.0 199.0 199.0 199.0 199.0 199.0 199.0 199.0
6 79.8 138.0 138.0 138.0 138.0 138.0 138.0 138.0 138.0
8 44.9 77.0 77.0 77.0 77.0 77.0 77.0 77.0 77.0
10 28.7 49.0 49.0 49.0 49.0 49.0 49.0 49.0 49.0
12 20.0 34.0 34.0 34.0 34.0 34.0 34.0 34.0 34.0
14 14.7 25.0 25.0 25.0 25.0 25.0 25.0 25.0 25.0
16 11.2 19.0 19.0 19.0 19.0 19.0 19.0 19.0 19.0
18 8.9 15.0 15.0 15.0 15.0 15.0 15.0 15.0 15.0
20 7.2 12.0 12.0 12.0 12.0 12.0 12.0 12.0 12.0
22 5.9 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0

T=300°C
Trim Set Pressure (barg)
Number 0.7 1.7 2.7 3.7 4.7 5.8 6.9 8 9.2
1 178.3 177.3 176.3 175.3 174.3 173.2 172.1 171.0 169.8
2 178.3 177.3 176.3 175.3 174.3 173.2 172.1 171.0 169.8
3 178.3 177.3 176.3 175.3 174.3 173.2 172.1 171.0 169.8
4 178.3 177.3 176.3 175.3 174.3 173.2 172.1 171.0 169.8
5 115.0 163.0 163.0 163.0 163.0 163.0 163.0 163.0 163.0
6 79.8 113.0 113.0 113.0 113.0 113.0 113.0 113.0 113.0
8 44.9 63.0 63.0 63.0 63.0 63.0 63.0 63.0 63.0
10 28.7 41.0 41.0 41.0 41.0 41.0 41.0 41.0 41.0
12 20.0 28.0 28.0 28.0 28.0 28.0 28.0 28.0 28.0
14 14.7 21.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0
16 11.2 16.0 16.0 16.0 16.0 16.0 16.0 16.0 16.0
18 8.9 12.0 12.0 12.0 12.0 12.0 12.0 12.0 12.0
20 7.2 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0
22 5.9 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0

22 | GE Oil & Gas © 2016 General Electric Company. All rights reserved.
Allowable Pressure Drops

Room Temperature
Table 19 - Maximum Allowable Pressure Drop (Actuator size 220)
Trim Set Pressure (barg)
Number 0.094 0.40 0.70 1.0 1.3 1.6 1.9 2.3 2.7
1 279.9 279.6 279.3 279.0 278.7 278.4 278.1 277.7 277.3
2 279.9 279.6 279.3 279.0 278.7 278.4 278.1 277.7 277.3
3 150.6 279.6 279.3 279.0 278.7 278.4 278.1 277.7 277.3
4 84.7 279.6 279.3 279.0 278.7 278.4 278.1 277.7 277.3
5 54.2 230.7 255.0 255.0 255.0 255.0 255.0 255.0 255.0
6 37.7 160.2 177.0 177.0 177.0 177.0 177.0 177.0 177.0
8 21.2 90.1 99.0 99.0 99.0 99.0 99.0 99.0 99.0
10 13.6 57.7 63.0 63.0 63.0 63.0 63.0 63.0 63.0
12 9.4 40.1 44.0 44.0 44.0 44.0 44.0 44.0 44.0
14 6.9 29.4 32.0 32.0 32.0 32.0 32.0 32.0 32.0
16 5.3 22.5 25.0 25.0 25.0 25.0 25.0 25.0 25.0
18 4.2 17.8 19.0 19.0 19.0 19.0 19.0 19.0 19.0
20 3.4 14.4 16.0 16.0 16.0 16.0 16.0 16.0 16.0
22 2.8 11.9 13.0 13.0 13.0 13.0 13.0 13.0 13.0

T= 150° C
Trim Set Pressure (barg)
Number 0.094 0.40 0.70 1.0 1.3 1.6 1.9 2.3 2.7
1 216.9 216.9 216.3 216.0 215.7 215.4 215.1 214.7 214.3
2 216.9 216.9 216.3 216.0 215.7 215.4 215.1 214.7 214.3
3 150.6 216.9 216.3 216.0 215.7 215.4 215.1 214.7 214.3
4 84.7 216.9 216.3 216.0 215.7 215.4 215.1 214.7 214.3
5 54.2 199.0 199.0 199.0 199.0 199.0 199.0 199.0 199.0
6 37.7 138.0 138.0 138.0 138.0 138.0 138.0 138.0 138.0
8 21.2 77.0 77.0 77.0 77.0 77.0 77.0 77.0 77.0
10 13.6 49.0 49.0 49.0 49.0 49.0 49.0 49.0 49.0
12 9.4 34.0 34.0 34.0 34.0 34.0 34.0 34.0 34.0
14 6.9 25.0 25.0 25.0 25.0 25.0 25.0 25.0 25.0
16 5.3 19.0 19.0 19.0 19.0 19.0 19.0 19.0 19.0
18 4.2 15.0 15.0 15.0 15.0 15.0 15.0 15.0 15.0
20 3.4 12.0 12.0 12.0 12.0 12.0 12.0 12.0 12.0
22 2.8 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0

T=300°C
Trim Set Pressure (barg)
Number 0.094 0.40 0.70 1.0 1.3 1.6 1.9 2.3 2.7
1 178.9 178.6 178.3 178.0 177.7 177.4 177.1 176.7 176.3
2 178.9 178.6 178.3 178.0 177.7 177.4 177.1 176.7 176.3
3 150.6 178.6 178.3 178.0 177.7 177.4 177.1 176.7 176.3
4 84.7 178.6 178.3 178.0 177.7 177.4 177.1 176.7 176.3
5 54.2 163.0 163.0 163.0 163.0 163.0 163.0 163.0 163.0
6 37.7 113.0 113.0 113.0 113.0 113.0 113.0 113.0 113.0
8 21.2 63.0 63.0 63.0 63.0 63.0 63.0 63.0 63.0
10 13.6 41.0 41.0 41.0 41.0 41.0 41.0 41.0 41.0
12 9.4 28.0 28.0 28.0 28.0 28.0 28.0 28.0 28.0
14 6.9 21.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0
16 5.3 16.0 16.0 16.0 16.0 16.0 16.0 16.0 16.0
18 4.2 12.0 12.0 12.0 12.0 12.0 12.0 12.0 12.0
20 3.4 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0
22 2.8 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0

© 2016 General Electric Company. All rights reserved. Masoneilan 171-172 Series Pressure Reducing Regulator Tech Specifications | 23
172 Series Weights

172 - Table 20 - Weights

Actuator Sizes 100-140

ANSI Class PN ANSI Class ANSI Class
NPT/GAS
150 RF 16/25/40 300 RF 600 RF
1/2” (DN15) 36.8 lbs (16.7 kg) 43.2 lbs (19.6 kg) 44.5 lbs (20.2 kg) 43.7 lbs (19.8 kg) 44.3 lbs (20.1 kg)

3/4” (DN20) 36.8 lbs (16.7 kg) 43.9 lbs (19.9 kg) 45.9 lbs (20.8 kg) 46.1 lbs (20.9 kg) 47 lbs (21.3 kg)

1” (DN25) 36.6 lbs (16.6 kg) 45.4 lbs (20.6 kg) 47.2 lbs (21.4 kg) 47.4 lbs (21.5 kg) 48.1 lbs (21.8 kg)

1 1/2” (DN40) 36.4 lbs (16.5 kg) 47.6 lbs (21.6 kg) 49.8 lbs (22.6 kg) 52.5 lbs (23.8 kg) 54.7 lbs (24.8 kg)

2” (DN50) N/A 50.9 lbs (23.1 kg) 53.9 lbs (24.1 kg) 54.2 lbs (24.6 kg) 57.5 lbs (26.1 kg)

172 - Table 21 - Weights

Actuator Size 220
ANSI Class PN ANSI Class ANSI Class
NPT/GAS
150 RF 16/25/40 300 RF 600 RF
1/2” (DN15) 46.7 lbs (21.2 kg) 53.1 lbs (24.1 kg) 44.5 lbs (20.2 kg) 54.5 lbs (24.7 kg) 54.2 lbs (24.6 kg)

3/4” (DN20) 46.7 lbs (21.2 kg) 53.8 lbs (24.4 kg) 45.9 lbs (20.8 kg) 56 lbs (25.4 kg) 56.9 lbs (25.8 kg)

1” (DN25) 46.5 lbs (21.1 kg) 55.3 lbs (25.1 kg) 47.2 lbs (21.4 kg) 57.3 lbs (26 kg) 58 lbs (26.3 kg)

1 1/2” (DN40) 46.3 lbs (21 kg) 57.5 lbs (26.1 kg) 49.8 lbs (22.6 k 62.4 lbs (28.3 kg) 64.6 lbs (29.3 kg)

2” (DN50) N/A 60.9 lbs (27.6 kg) 53.9 lbs (24.1 kg) 64.2 lbs (29.1 kg) 67.5 lbs (30.6 kg)

24 | GE Oil & Gas © 2016 General Electric Company. All rights reserved.
© 2016 General Electric Company. All rights reserved. Masoneilan 171-172 Series Pressure Reducing Regulator Tech Specifications | 25
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© 2016 General Electric Company. All rights reserved.

GEA31534A 03/2016