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9500 Gas Modulating “G” Orifice

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9500 Gas Modulating "G" Orifice | Model Specifications
OrificeG
(USC)
G
(SI)
OrificeStandard Inlet SizesG
(USC)
1 ½", 2"
G
(SI)
DN 40, DN 50
OrificeInlet and Outlet Connection TypesG
(USC)
RF x RF,
RTJ x RF,
RTJ x RTJ
G
(SI)
RF x RF,
RTJ x RF,
RTJ x RTJ
OrificeActual Orifice DiameterG
(USC)
0.844 in
G
(SI)
21.4 mm
OrificeActual Orifice AreaG
(USC)
0.559 in2
G
(SI)
360.6 mm2
OrificeAPI Orifice AreaG
(USC)
0.503 in2
G
(SI)
324.5 mm2
OrificePressure RangeG
(USC)
15 – 1480 psig
G
(SI)
103 – 10204 kPag
OrificeStandard Temperature RangeG
(USC)
-20°F to 400°F
G
(SI)
-29°C to 204°C
OrificeASME Flow Coefficient, Kd (Gas)G
(USC)
0.870
G
(SI)
0.870

Mercer Valve Co., Inc. reserves the right to change product designs and specifications without notice.

9500 Modulating Main Valve "G" Orifice | Part Number Selection

95 -
55
A
G
B
1
C
3
D
0
E
7
F
 
G
M
H
 
I
 
J

A | INLET & OUTLET COMBINATION

(See Dimensions & Weights, below.)

B | API ORIFICE SIZE

G – 0.559 in²

C | FLANGE TYPE

1★ – RF x RF
2 – RTJ x RTJ
3 – RTJ x RF

D | BODY MATERIAL

3★ – WCB CARBON STEEL
4 – CF3M STAINLESS STEEL
5 – LCC CARBON STEEL

E | OPTIONS

0★ – NO OPTIONS
1 – BACKFLOW PREVENTER
2 – PRESSURE SNUBBER
3 – AUXILIARY FILTER
4 – OPTIONS 1 & 2
5 – OPTIONS 1 & 3
6 – OPTIONS 2 & 3
7 – OPTIONS 1, 2, & 3

F | SEAT MATERIAL┼┼

7★ – PTFE
8★ – FKM
9★ – PEEK
N – NEOPRENE
B – BUNA-N
E – EPDM
Y – VESPEL®
X – FFKM

G | SOUR GAS SERVICE

BLANK★ – NON SOUR APPLICATIONS
N – SOUR GAS SERVICE

H | PILOT TYPE

M★ – GAS MODULATING PILOT (See below for part numbering breakdown.)

I | O-RING MATERIAL┼┼

BLANK★ – STANDARD IF APPLICABLE
3 – PC BUNA
5 – LOW TEMP BUNA
6 – FFKM
7 – FKM ED
9 – NEOPRENE
C – EPDM
K – HNBR

J | TWO-DIGIT "SPECIAL" CODE

(Two-digit special codes assigned by Mercer Valve, if applicable.)

★Standard Materials or Options.
┼┼O-ring codes are only used with Seat codes 7, 9, & Y when O-rings are not standard FKM. If using the standard FKM O-rings, leave O-ring code BLANK.

9500 Modulating Pilot Valve | Part Number Selection

M1 -
A
1
B
1
C
0
D
0
E
0
F
07
G
 
H
 
I
 
J

A | MODULE PRESSURE CODE

M1★ – SET PRESSURE 15 to 85 PSIG
M2★ – SET PRESSURE 86 to 175 PSIG
M3★ – SET PRESSURE 176 to 450 PSIG
M5★ – SET PRESSURE 451 to 750 PSIG
M6★ – SET PRESSURE 751 to 1480 PSIG

B | BODY MATERIAL

1★ – CARBON STEEL
2 – 316 STAINLESS STEEL

C | MODULE SEALS▼

1★ – FKM
2 - EPDM
3 - BUNA
4 - FFKM
5 - PC BUNA

D | BLOWDOWN TYPE

0★ – NONE
1 - MANUAL BLOWDOWN VALVE╋
2 - REMOTE BLOWDOWN VALVE╋
3 - LIFT LEVER

E | FIELD TEST CONNECTION

0★ – NONE
1 - STANDARD

F | TEST ACCESSORIES

0★ – NONE
1 - TEST GAG

G | SPRING CODE

(Spring codes assigned by Mercer Valve.)

H | SOUR GAS SERVICE

BLANK★ – NON SOUR APPLICATIONS
N – SOUR GAS SERVICE

I | ORING MATERIAL▼

BLANK★ – STANDARD IF APPLICABLE

J | TWO-DIGIT "SPECIAL" CODE

(Two-digit special codes assigned by Mercer Valve, if applicable.)

★Standard Materials or Options.
▼Module Seal codes 2, 3, 4 & 5 receive like material O-rings and Exhaust Seats. Consult Factory.
╋May require a Special Code on the Main Valve. Consult Factory.

9500 Gas Modulating "G" Orifice | Dimensions & Weights (USC)
Inlet and Outlet CodeInlet and Outlet Size
(in)
Pressure Limit 1, 2
(psig)
Dimensions 2
"A" x "B" x "C"
(in ± .062)
Approximate Weight 2
(lbs)
Inlet and Outlet Code55☆Inlet and Outlet Size
(in)
1 ½" 150 x 3" 150
Pressure Limit 1, 2
(psig)
285
Dimensions 2
"A" x "B" x "C"
(in ± .062)
5.125 x 4.875 x 15.885
Approximate Weight 2
(lbs)
56
Inlet and Outlet Code56☆Inlet and Outlet Size
(in)
1 ½" 300 x 3" 150
Pressure Limit 1, 2
(psig)
740
Dimensions 2
"A" x "B" x "C"
(in ± .062)
5.125 x 4.875 x 15.885
Approximate Weight 2
(lbs)
57
Inlet and Outlet Code74☆Inlet and Outlet Size
(in)
1 ½" 600 x 3" 150
Pressure Limit 1, 2
(psig)
1480
Dimensions 2
"A" x "B" x "C"
(in ± .062)
5.125 x 4.875 x 15.885
Approximate Weight 2
(lbs)
58
Inlet and Outlet Code75☆Inlet and Outlet Size
(in)
1 ½" 900 x 3" 300
Pressure Limit 1, 2
(psig)
1480
Dimensions 2
"A" x "B" x "C"
(in ± .062)
6.375 x 6.750 x 17.135
Approximate Weight 2
(lbs)
71
Inlet and Outlet Code75.1☆Inlet and Outlet Size
(in)
1 ½" 1500 x 3" 300
Pressure Limit 1, 2
(psig)
1480
Dimensions 2
"A" x "B" x "C"
(in ± .062)
6.375 x 6.750 x 17.135
Approximate Weight 2
(lbs)
71
Inlet and Outlet Code75.2☆Inlet and Outlet Size
(in)
1 ½" 2500 x 3" 300
Pressure Limit 1, 2
(psig)
1480
Dimensions 2
"A" x "B" x "C"
(in ± .062)
6.375 x 6.750 x 17.135
Approximate Weight 2
(lbs)
82
Inlet and Outlet Code51☆Inlet and Outlet Size
(in)
2" 150 x 3" 150
Pressure Limit 1, 2
(psig)
285
Dimensions 2
"A" x "B" x "C"
(in ± .062)
5.375 x 4.875 x 16.135
Approximate Weight 2
(lbs)
56
Inlet and Outlet Code52☆Inlet and Outlet Size
(in)
2" 300 x 3" 150
Pressure Limit 1, 2
(psig)
740
Dimensions 2
"A" x "B" x "C"
(in ± .062)
5.375 x 4.875 x 16.135
Approximate Weight 2
(lbs)
58
Inlet and Outlet Code53☆Inlet and Outlet Size
(in)
2" 600 x 3" 150
Pressure Limit 1, 2
(psig)
1480
Dimensions 2
"A" x "B" x "C"
(in ± .062)
5.375 x 4.875 x 16.135
Approximate Weight 2
(lbs)
59
Inlet and Outlet Code54☆Inlet and Outlet Size
(in)
2" 900 x 3" 300
Pressure Limit 1, 2
(psig)
1480
Dimensions 2
"A" x "B" x "C"
(in ± .062)
6.563 x 6.750 x 17.323
Approximate Weight 2
(lbs)
85
Inlet and Outlet Code54.1☆Inlet and Outlet Size
(in)
2" 1500 x 3" 300
Pressure Limit 1, 2
(psig)
1480
Dimensions 2
"A" x "B" x "C"
(in ± .062)
6.563 x 6.750 x 17.323
Approximate Weight 2
(lbs)
85
Inlet and Outlet Code54.2☆Inlet and Outlet Size
(in)
2" 2500 x 3" 300
Pressure Limit 1, 2
(psig)
1480
Dimensions 2
"A" x "B" x "C"
(in ± .062)
7.000 x 6.750 x 17.760
Approximate Weight 2
(lbs)
96

1Pressure limit may be subject to system conditions and temperatures.
2Pressure limit, weight, and “C” dimension may vary with sour gas service and other options.
☆Flange dimensions compliant with API 526.

9500 Gas Modulating "G" Orifice | Dimensions & Weights (SI)
Inlet and Outlet CodeInlet and Outlet Size
DN (mm)
Pressure Limit 1, 2
(kPag)
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
Approximate Weight 2
(kg)
Inlet and Outlet Code55☆Inlet and Outlet Size
DN (mm)
DN 40 150 x DN 80 150
Pressure Limit 1, 2
(kPag)
1935
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
130.2 x 123.8 x 335.0
Approximate Weight 2
(kg)
25.4
Inlet and Outlet Code56☆Inlet and Outlet Size
DN (mm)
DN 40 300 x DN 80 150
Pressure Limit 1, 2
(kPag)
5102
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
130.2 x 123.8 x 335.0
Approximate Weight 2
(kg)
25.9
Inlet and Outlet Code74☆Inlet and Outlet Size
DN (mm)
DN 40 600 x DN 80 150
Pressure Limit 1, 2
(kPag)
10204
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
130.2 x 123.8 x 335.0
Approximate Weight 2
(kg)
26.3
Inlet and Outlet Code75☆Inlet and Outlet Size
DN (mm)
DN 40 900 x DN 80 300
Pressure Limit 1, 2
(kPag)
10204
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
161.9 x 166.7 x 366.7
Approximate Weight 2
(kg)
32.2
Inlet and Outlet Code75.1☆Inlet and Outlet Size
DN (mm)
DN 40 1500 x DN 80 300
Pressure Limit 1, 2
(kPag)
10204
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
161.9 x 166.7 x 366.7
Approximate Weight 2
(kg)
32.2
Inlet and Outlet Code75.2☆Inlet and Outlet Size
DN (mm)
DN 40 2500 x DN 80 300
Pressure Limit 1, 2
(kPag)
10204
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
161.9 x 166.7 x 366.7
Approximate Weight 2
(kg)
37.2
Inlet and Outlet Code51☆Inlet and Outlet Size
DN (mm)
DN 50 150 x DN 80 150
Pressure Limit 1, 2
(kPag)
1935
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
136.5 x 123.8 x 341.3
Approximate Weight 2
(kg)
25.4
Inlet and Outlet Code52☆Inlet and Outlet Size
DN (mm)
DN 50 300 x DN 80 150
Pressure Limit 1, 2
(kPag)
5102
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
136.5 x 123.8 x 341.3
Approximate Weight 2
(kg)
26.3
Inlet and Outlet Code53☆Inlet and Outlet Size
DN (mm)
DN 50 600 x DN 80 150
Pressure Limit 1, 2
(kPag)
10204
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
136.5 x 123.8 x 341.3
Approximate Weight 2
(kg)
26.8
Inlet and Outlet Code54☆Inlet and Outlet Size
DN (mm)
DN 50 900 x DN 80 300
Pressure Limit 1, 2
(kPag)
10204
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
171.5 x 166.7 x 371.5
Approximate Weight 2
(kg)
38.6
Inlet and Outlet Code54.1☆Inlet and Outlet Size
DN (mm)
DN 50 1500 x DN 80 300
Pressure Limit 1, 2
(kPag)
10204
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
171.5 x 166.7 x 371.5
Approximate Weight 2
(kg)
38.6
Inlet and Outlet Code54.2☆Inlet and Outlet Size
DN (mm)
DN 50 2500 x DN 80 300
Pressure Limit 1, 2
(kPag)
10204
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
177.8 x 166.7 x 382.6
Approximate Weight 2
(kg)
43.5

1Pressure limit may be subject to system conditions and temperatures.
2Pressure limit, weight, and “C” dimension may vary with sour gas service and other options.
☆Flange dimensions compliant with API 526.