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9500 Gas Modulating “D” Orifice

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9500 Gas Modulating "D" Orifice | Model Specifications
OrificeD
(USC)
D
(SI)
OrificeStandard Inlet SizesD
(USC)
1", 1 ½"
D
(SI)
DN 25, DN 40
OrificeInlet and Outlet Connection TypesD
(USC)
RF x RF,
RTJ x RF,
RTJ x RTJ
D
(SI)
RF x RF,
RTJ x RF,
RTJ x RTJ
OrificeActual Orifice DiameterD
(USC)
0.439 in
D
(SI)
11.2 mm
OrificeActual Orifice AreaD
(USC)
0.151 in2
D
(SI)
97.4 mm2
OrificeAPI Orifice AreaD
(USC)
0.110 in2
D
(SI)
71.0 mm2
OrificePressure RangeD
(USC)
15 – 1480 psig
D
(SI)
104 – 10204 kPa
OrificeStandard Temperature RangeD
(USC)
-20°F to 400°F
D
(SI)
-29°C to 204°C
OrificeASME Flow Coefficient, Kd (Gas)D
(USC)
0.870
D
(SI)
0.870

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

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

95 -
27
A
D
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

D – 0.151 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 "D" 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 Code27Inlet and Outlet Size
(in)
1" 150 x 2" 150
Pressure Limit 1, 2
(psig)
285
Dimensions 2
"A" x "B" x "C"
(in ± .062)
4.125 x 4.500 x 13.968
Approximate Weight 2
(lbs)
32
Inlet and Outlet Code28Inlet and Outlet Size
(in)
1" 300 x 2" 150
Pressure Limit 1, 2
(psig)
740
Dimensions 2
"A" x "B" x "C"
(in ± .062)
4.375 x 4.500 x 14.218
Approximate Weight 2
(lbs)
33
Inlet and Outlet Code29Inlet and Outlet Size
(in)
1" 600 x 2" 150
Pressure Limit 1, 2
(psig)
1480
Dimensions 2
"A" x "B" x "C"
(in ± .062)
4.375 x 4.500 x 14.218
Approximate Weight 2
(lbs)
34
Inlet and Outlet Code31Inlet and Outlet Size
(in)
1" 900 x 2" 300
Pressure Limit 1, 2
(psig)
1480
Dimensions 2
"A" x "B" x "C"
(in ± .062)
4.937 x 4.750 x 14.780
Approximate Weight 2
(lbs)
41
Inlet and Outlet Code32Inlet and Outlet Size
(in)
1" 1500 x 2" 300
Pressure Limit 1, 2
(psig)
1480
Dimensions 2
"A" x "B" x "C"
(in ± .062)
4.937 x 4.750 x 14.780
Approximate Weight 2
(lbs)
41
Inlet and Outlet Code32.2Inlet and Outlet Size
(in)
1" 2500 x 2" 300
Pressure Limit 1, 2
(psig)
1480
Dimensions 2
"A" x "B" x "C"
(in ± .062)
4.937 x 4.750 x 14.780
Approximate Weight 2
(lbs)
44
Inlet and Outlet Code33Inlet and Outlet Size
(in)
1 ½" 150 x 2" 150
Pressure Limit 1, 2
(psig)
285
Dimensions 2
"A" x "B" x "C"
(in ± .062)
4.875 x 4.750 x 14.718
Approximate Weight 2
(lbs)
36
Inlet and Outlet Code34Inlet and Outlet Size
(in)
1 ½" 300 x 2" 150
Pressure Limit 1, 2
(psig)
740
Dimensions 2
"A" x "B" x "C"
(in ± .062)
4.875 x 4.750 x 14.718
Approximate Weight 2
(lbs)
39
Inlet and Outlet Code35Inlet and Outlet Size
(in)
1 ½" 600 x 2" 150
Pressure Limit 1, 2
(psig)
1480
Dimensions 2
"A" x "B" x "C"
(in ± .062)
4.875 x 4.750 x 14.718
Approximate Weight 2
(lbs)
39
Inlet and Outlet Code36Inlet and Outlet Size
(in)
1 ½" 900 x 2" 300
Pressure Limit 1, 2
(psig)
1480
Dimensions 2
"A" x "B" x "C"
(in ± .062)
5.875 x 5.500 x 15.718
Approximate Weight 2
(lbs)
47
Inlet and Outlet Code36.1Inlet and Outlet Size
(in)
1 ½" 1500 x 2" 300
Pressure Limit 1, 2
(psig)
1480
Dimensions 2
"A" x "B" x "C"
(in ± .062)
5.875 x 5.500 x 15.718
Approximate Weight 2
(lbs)
47
Inlet and Outlet Code36.2Inlet and Outlet Size
(in)
1 ½" 2500 x 2" 300
Pressure Limit 1, 2
(psig)
1480
Dimensions 2
"A" x "B" x "C"
(in ± .062)
5.875 x 5.500 x 15.718
Approximate Weight 2
(lbs)
58

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 "D" Orifice | Dimensions & Weights (SI)
Inlet and Outlet CodeInlet and Outlet Size
DN (mm)
Pressure Limit 1, 2
(kPa)
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
Approximate Weight 2
(kg)
Inlet and Outlet Code27Inlet and Outlet Size
DN (mm)
DN 25 150 x DN 50 150
Pressure Limit 1, 2
(kPa)
1965
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
104.8 x 114.3 x 308.0
Approximate Weight 2
(kg)
14.5
Inlet and Outlet Code28Inlet and Outlet Size
DN (mm)
DN 25 300 x DN 50 150
Pressure Limit 1, 2
(kPa)
5102
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
104.8 x 114.3 x 314.3
Approximate Weight 2
(kg)
15.0
Inlet and Outlet Code29Inlet and Outlet Size
DN (mm)
DN 25 600 x DN 50 150
Pressure Limit 1, 2
(kPa)
10204
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
104.8 x 114.3 x 314.3
Approximate Weight 2
(kg)
15.4
Inlet and Outlet Code31Inlet and Outlet Size
DN (mm)
DN 25 900 x DN 50 300
Pressure Limit 1, 2
(kPa)
10204
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
125.4 x 120.7 x 328.6
Approximate Weight 2
(kg)
18.6
Inlet and Outlet Code32Inlet and Outlet Size
DN (mm)
DN 25 1500 x DN 50 300
Pressure Limit 1, 2
(kPa)
10204
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
125.4 x 120.7 x 328.6
Approximate Weight 2
(kg)
18.6
Inlet and Outlet Code32.2Inlet and Outlet Size
DN (mm)
DN 25 2500 x DN 50 300
Pressure Limit 1, 2
(kPa)
10204
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
125.4 x 120.7 x 328.6
Approximate Weight 2
(kg)
20.0
Inlet and Outlet Code33Inlet and Outlet Size
DN (mm)
DN 40 150 x DN 50 150
Pressure Limit 1, 2
(kPa)
1965
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
123.8 x 120.7 x 327.0
Approximate Weight 2
(kg)
17.7
Inlet and Outlet Code34Inlet and Outlet Size
DN (mm)
DN 40 300 x DN 50 150
Pressure Limit 1, 2
(kPa)
5102
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
123.8 x 120.7 x 327.0
Approximate Weight 2
(kg)
16.3
Inlet and Outlet Code35Inlet and Outlet Size
DN (mm)
DN 40 600 x DN 50 150
Pressure Limit 1, 2
(kPa)
10204
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
123.8 x 120.7 x 327.0
Approximate Weight 2
(kg)
16.3
Inlet and Outlet Code36Inlet and Outlet Size
DN (mm)
DN 40 900 x DN 50 300
Pressure Limit 1, 2
(kPa)
10204
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
149.2 x 139.7 x 341.3
Approximate Weight 2
(kg)
21.3
Inlet and Outlet Code36.1Inlet and Outlet Size
DN (mm)
DN 40 1500 x DN 50 300
Pressure Limit 1, 2
(kPa)
10204
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
149.2 x 139.7 x 341.3
Approximate Weight 2
(kg)
21.3
Inlet and Outlet Code36.2Inlet and Outlet Size
DN (mm)
DN 40 2500 x DN 50 300
Pressure Limit 1, 2
(kPa)
10204
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
149.2 x 139.7 x 341.3
Approximate Weight 2
(kg)
26.3

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.