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9500 Snap Pilot “N” Orifice

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9500 Snap Pilot "N" Orifice | Model Specifications
OrificeN
(USC)
N
(SI)
OrificeStandard Inlet SizesN
(USC)
4"
N
(SI)
DN 100
OrificeInlet and Outlet Connection TypesN
(USC)
RF x RF,
RTJ x RF,
RTJ x RTJ
N
(SI)
RF x RF,
RTJ x RF,
RTJ x RTJ
OrificeActual Orifice DiameterN
(USC)
2.500 in
N
(SI)
63.5 mm
OrificeActual Orifice AreaN
(USC)
4.909 in2
N
(SI)
3167.1 mm2
OrificeAPI Orifice AreaN
(USC)
4.340 in2
N
(SI)
2858.1 mm2
OrificePressure RangeN
(USC)
7.5 – 2220 psig
N
(SI)
51 – 15306 kPa
OrificeStandard Temperature RangeN
(USC)
-20°F to 400°F
N
(SI)
-29°C to 204°C
OrificeASME Flow Coefficient, Kd (Gas)N
(USC)
0.870
N
(SI)
0.870

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

9500 Snap Main Valve "N" Orifice | Part Number Selection

95 -
70
A
N
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

N – 4.909 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

0 – 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 "N" 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 Code70Inlet and Outlet Size
(in)
4" 150 x 6" 150
Pressure Limit 1, 2
(psig)
285
Dimensions 2
"A" x "B" x "C"
(in ± .062)
7.750 x 8.250 x 17.934
Approximate Weight 2
(lbs)
213
Inlet and Outlet Code71Inlet and Outlet Size
(in)
4" 300 x 6" 150
Pressure Limit 1, 2
(psig)
740
Dimensions 2
"A" x "B" x "C"
(in ± .062)
7.750 x 8.250 x 17.934
Approximate Weight 2
(lbs)
222
Inlet and Outlet Code72Inlet and Outlet Size
(in)
4" 600 x 6" 150
Pressure Limit 1, 2
(psig)
1480
Dimensions 2
"A" x "B" x "C"
(in ± .062)
7.750 x 8.250 x 17.934
Approximate Weight 2
(lbs)
231
Inlet and Outlet Code73.1Inlet and Outlet Size
(in)
4" 900 x 6" 300
Pressure Limit 1, 2
(psig)
2220
Dimensions 2
"A" x "B" x "C"
(in ± .062)
9.812 x 9.188 x 19.996
Approximate Weight 2
(lbs)
275
Inlet and Outlet Code73.2Inlet and Outlet Size
(in)
4" 1500 x 6" 300
Pressure Limit 1, 2
(psig)
2220
Dimensions 2
"A" x "B" x "C"
(in ± .062)
Approximate Weight 2
(lbs)
Inlet and Outlet Code72.1XInlet and Outlet Size
(in)
4" 600 x 6" 300 x 6" 300
Pressure Limit 1, 2
(psig)
1480
Dimensions 2
"A" x "B" x "C"
(in ± .062)
Approximate Weight 2
(lbs)
Inlet and Outlet Code73.1XInlet and Outlet Size
(in)
4" 900 x 6" 300 x 6" 300
Pressure Limit 1, 2
(psig)
2220
Dimensions 2
"A" x "B" x "C"
(in ± .062)
Approximate Weight 2
(lbs)
Inlet and Outlet Code73.2XInlet and Outlet Size
(in)
4" 1500 x 6" 300 x 6" 300
Pressure Limit 1, 2
(psig)
2220
Dimensions 2
"A" x "B" x "C"
(in ± .062)
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 "N" 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 Code70Inlet and Outlet Size
DN (mm)
DN 100 150 x DN 150 150
Pressure Limit 1, 2
(kPa)
1965
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
196.9 x 209.6 x 441.3
Approximate Weight 2
(kg)
96.6
Inlet and Outlet Code71Inlet and Outlet Size
DN (mm)
DN 100 300 x DN 150 150
Pressure Limit 1, 2
(kPa)
5102
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
196.9 x 209.6 x 441.3
Approximate Weight 2
(kg)
100.7
Inlet and Outlet Code72Inlet and Outlet Size
DN (mm)
DN 100 600 x DN 150 150
Pressure Limit 1, 2
(kPa)
10204
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
196.9 x 209.6 x 441.3
Approximate Weight 2
(kg)
104.8
Inlet and Outlet Code73.1Inlet and Outlet Size
DN (mm)
DN 100 900 x DN 150 300
Pressure Limit 1, 2
(kPa)
15306
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
233.4 x 233.4 x 495.3
Approximate Weight 2
(kg)
124.7
Inlet and Outlet Code73.2Inlet and Outlet Size
DN (mm)
DN 100 1500 x DN 150 300
Pressure Limit 1, 2
(kPa)
15306
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
Approximate Weight 2
(kg)
Inlet and Outlet Code72.1XInlet and Outlet Size
DN (mm)
DN 100 600 x DN 150 300 x DN 150 300
Pressure Limit 1, 2
(kPa)
10204
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
Approximate Weight 2
(kg)
Inlet and Outlet Code73.1XInlet and Outlet Size
DN (mm)
DN 100 900 x DN 150 300 x DN 150 300
Pressure Limit 1, 2
(kPa)
15306
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
Approximate Weight 2
(kg)
Inlet and Outlet Code73.2XInlet and Outlet Size
DN (mm)
DN 100 1500 x DN 150 300 x DN 150 300
Pressure Limit 1, 2
(kPa)
15306
Dimensions 2
"A" x "B" x "C"
(mm ± 1.6)
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.