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9500 Snap Pilot “Q” Orifice

thinkmercer first®

9500 Snap Pilot "Q" Orifice | Model Specifications
OrificeQ
(USC)
Q
(SI)
OrificeStandard Inlet SizesQ
(USC)
6"
Q
(SI)
DN 150
OrificeInlet and Outlet Connection TypesQ
(USC)
RF x RF,
RTJ x RF,
RTJ x RTJ
Q
(SI)
RF x RF,
RTJ x RF,
RTJ x RTJ
OrificeActual Orifice DiameterQ
(USC)
4.000
Q
(SI)
101.6 mm
OrificeActual Orifice AreaQ
(USC)
12.566 in2
Q
(SI)
8107.1 mm2
OrificeAPI Orifice AreaQ
(USC)
11.050 in2
Q
(SI)
7129.0 mm2
OrificePressure RangeQ
(USC)
7.5 – 1480 psig
Q
(SI)
51 – 10204 kPa
OrificeStandard Temperature RangeQ
(USC)
-20°F to 400°F
Q
(SI)
-29°C to 204°C
OrificeASME Flow Coefficient, Kd (Gas)Q
(USC)
0.870
Q
(SI)
0.870

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

9500 Snap Pilot "Q" Orifice | Selection

95 -
76
A
Q
B
1
C
3
D
0
E
7
F
 
G
S
H
 
I
 
J

A | INLET & OUTLET COMBINATION

(See Dimensions & Weights, below.)

B | API ORIFICE SIZE

Q - 12.566 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
N – NEOPRENE
B – BUNA
E – EPDM

G | SOUR GAS SERVICE

BLANK - NON SOUR APPLICATIONS
N – SOUR GAS SERVICE

H | PILOT TYPE

S – SNAP 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 Snap Pilot Valve | Part Number Selection

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

A | BODY / BONNET MATERIAL

1 – CF3M STAINLESS STEEL / CARBON STEEL
2 – CF3M STAINLESS STEEL / 316 STAINLESS STEEL

B | UPPER SEAT / LOWER SEAT

1 – FKM / FKM
A – FKM / PTFE
V – FKM / VESPEL
5 - BUNA / BUNA
6 - EPDM / EPDM
7 - NEOPRENE / NEOPRENE
8 - PC BUNA / PC BUNA
9 - FFKM / FFKM
H - HNBR / PTFE
D - BUNA / PTFE
E - EPDM / PTFE
C - PC BUNA / PTFE
K - FFKM / PTFE
J – HNBR / VESPEL
B – BUNA / VESPEL
G – EPDM / VESPEL
T – PC BUNA / VESPEL
X – FFKM / VESPEL

C | BLOWDOWN TYPE

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

D | FIELD TEST CONNECTION

0 – NONE
1 - STANDARD

E | TEST ACCESSORIES

E | TEST ACCESSORIES0 – NONE
1 - TEST GAG

F | SPRING CODE

(Spring codes assigned by Mercer Valve.)

G | SOUR GAS SERVICE

BLANK – NON SOUR APPLICATIONS
N – SOUR GAS SERVICE

H | ORING MATERIAL

BLANK – STANDARD IF APPLICABLE
7 – FKM ED

I | TWO-DIGIT "SPECIAL" CODE

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

Standard Materials or Options.
Seat and O-Ring Material codes must match when available. Consult Factory.
May require a Special Code on the Main Valve. Consult Factory.

9500 Snap Pilot "Q" Orifice | Dimensions & Weights (USC)
Inlet and Outlet CodeInlet and Outlet Size
(in)
Pressure Limit 1, 2
(psig)
Dimensions 1, 2
"A" x "B" x "C"
(in ± .125)
Approximate Weight 2
(lbs)
Inlet and Outlet Code76Inlet and Outlet Size
(in)
6" 150 x 8" 150
Pressure Limit 1, 2
(psig)
285
Dimensions 1, 2
"A" x "B" x "C"
(in ± .125)
9.438 x 9.500 x 22.829
Approximate Weight 2
(lbs)
420
Inlet and Outlet Code77Inlet and Outlet Size
(in)
6" 300 x 8" 150
Pressure Limit 1, 2
(psig)
740
Dimensions 1, 2
"A" x "B" x "C"
(in ± .125)
9.438 x 9.500 x 22.829
Approximate Weight 2
(lbs)
435
Inlet and Outlet Code78Inlet and Outlet Size
(in)
6" 600 x 8" 150
Pressure Limit 1, 2
(psig)
1450
Dimensions 1, 2
"A" x "B" x "C"
(in ± .125)
9.688 x 9.500 x 23.016
Approximate Weight 2
(lbs)
460
Inlet and Outlet Code79Inlet and Outlet Size
(in)
6" 600 x 8" 300
Pressure Limit 1, 2
(psig)
1480
Dimensions 1, 2
"A" x "B" x "C"
(in ± .125)
9.688 x 10.438 x 23.016
Approximate Weight 2
(lbs)
Inlet and Outlet Code76XInlet and Outlet Size
(in)
6" 150 x 8" 150 x 8" 150
Pressure Limit 1, 2
(psig)
285
Dimensions 1, 2
"A" x "B" x "C"
(in ± .125)
9.438 x 9.500 x 9.500 x 22.829
Approximate Weight 2
(lbs)
430
Inlet and Outlet Code77XInlet and Outlet Size
(in)
6" 300 x 8" 150 x 8" 150
Pressure Limit 1, 2
(psig)
740
Dimensions 1, 2
"A" x "B" x "C"
(in ± .125)
9.438 x 9.500 x 9.500 x 22.829
Approximate Weight 2
(lbs)
445
Inlet and Outlet Code78XInlet and Outlet Size
(in)
6" 600 x 8" 150 x 8" 150
Pressure Limit 1, 2
(psig)
1450
Dimensions 1, 2
"A" x "B" x "C"
(in ± .125)
9.688 x 9.500 x 9.500 x 23.141
Approximate Weight 2
(lbs)
470
Inlet and Outlet Code79XInlet and Outlet Size
(in)
6" 600 x 8" 300 x 8" 300
Pressure Limit 1, 2
(psig)
1480
Dimensions 1, 2
"A" x "B" x "C"
(in ± .125)
9.688 x 10.438 x 10.438 x 23.141
Approximate Weight 2
(lbs)

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 Snap Pilot "Q" 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 ± 3.175)
Approximate Weight 2
(kg)
Inlet and Outlet Code76Inlet and Outlet Size
DN (mm)
DN 150 150 x DN 200 150
Pressure Limit 1, 2
(kPa)
1965
Dimensions 2
"A" x "B" x "C"
(mm ± 3.175)
239.7 x 241.3 x 574.7
Approximate Weight 2
(kg)
190.5
Inlet and Outlet Code77Inlet and Outlet Size
DN (mm)
DN 150 300 x DN 200 150
Pressure Limit 1, 2
(kPa)
5102
Dimensions 2
"A" x "B" x "C"
(mm ± 3.175)
239.7 x 241.3 x 574.7
Approximate Weight 2
(kg)
197.3
Inlet and Outlet Code78Inlet and Outlet Size
DN (mm)
DN 150 600 x DN 200 150
Pressure Limit 1, 2
(kPa)
9997
Dimensions 2
"A" x "B" x "C"
(mm ± 3.175)
246.1 x 241.6 x 793.8
Approximate Weight 2
(kg)
208.7
Inlet and Outlet Code79Inlet and Outlet Size
DN (mm)
DN 150 600 x DN 200 300
Pressure Limit 1, 2
(kPa)
10204
Dimensions 2
"A" x "B" x "C"
(mm ± 3.175)
246.1 x 256.2 x 793.8
Approximate Weight 2
(kg)
Inlet and Outlet Code76XInlet and Outlet Size
DN (mm)
DN 150 150 x DN 200 150 x DN 200 150
Pressure Limit 1, 2
(kPa)
1965
Dimensions 2
"A" x "B" x "C"
(mm ± 3.175)
239.7 x 241.3 x 241.3 x 574.7
Approximate Weight 2
(kg)
195.0
Inlet and Outlet Code77XInlet and Outlet Size
DN (mm)
DN 150 300 x DN 200 150 x DN 200 150
Pressure Limit 1, 2
(kPa)
5102
Dimensions 2
"A" x "B" x "C"
(mm ± 3.175)
239.7 x 241.3 x 241.3 x 574.7
Approximate Weight 2
(kg)
201.8
Inlet and Outlet Code78XInlet and Outlet Size
DN (mm)
DN 150 600 x DN 200 150 x DN 200 150
Pressure Limit 1, 2
(kPa)
9997
Dimensions 2
"A" x "B" x "C"
(mm ± 3.175)
246.1 x 241.3 x 241.3 x 581.0
Approximate Weight 2
(kg)
213.2
Inlet and Outlet Code79XInlet and Outlet Size
DN (mm)
DN 150 600 x DN 200 300 x DN 200 300
Pressure Limit 1, 2
(kPa)
10204
Dimensions 2
"A" x "B" x "C"
(mm ± 3.175)
246.1 x 256.2 x 256.2 x 793.8
Approximate Weight 2
(kg)

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.