9500 Gas Modulating "Q" Orifice - Mercer Valve Co., Inc.

think…mercer first^®

Features:

Designed with "Auto Seat Technology"®
A low rated and fully guided spring allows for more consistent Set Pressures from pop to pop.
Consistent Set Pressures allows for repeatable use without the need for excessive repairs or resetting.
Open, Close, Seat and Seal™
Non-rising stems allowing valves to be installed in small areas.
Pilot Valve options include: Backflow Preventer, Pressure Snubber and Auxiliary Filter.
Modulating Pilot Valve options include: Field Test Connection, Test Gag, and Manual or Remote Blowdown.
Sour Service Trim available.
Additional options available to meet NACE MR0175 requirements.
Canadian Registration Number (CRN)
Additional options available to meet Conformité Européenne (CE) to PED Directive 2014/68/EU and/or ATEX Directive 2014/34/EU

Valve Shipping Flyers Repair Kit Flyers IOM Manuals Main Valve Selection Pilot Valve Selection Dimensions

9500 Gas Modulating "Q" Orifice | Model Specifications
Orifice	Q (USC)	Q (SI)
OrificeStandard Inlet Sizes	Q (USC) 6"	Q (SI) 150 DN
OrificeInlet and Outlet Connection Types	Q (USC) RF x RF, RTJ x RF, RTJ x RTJ	Q (SI) RF x RF, RTJ x RF, RTJ x RTJ
OrificeActual Orifice Diameter	Q (USC) 4.000 in	Q (SI) 101.6 mm
OrificeActual Orifice Area	Q (USC) 12.566 in²	Q (SI) 8107.1 mm²
OrificeAPI Orifice Area	Q (USC) 11.050 in²	Q (SI) 7129.0 mm²
OrificePressure Range	Q (USC) 15 – 1480 psig	Q (SI) 104 – 10204 kPa
OrificeStandard Temperature Range	Q (USC) -20°F to 400°F	Q (SI) -29°C to 204°C
OrificeASME Flow Coefficient, K_d (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 Modulating Main Valve "Q" Orifice | Part Number Selection

95 -

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-N

E – EPDM

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 | 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.


Inlet and Outlet Code	Inlet and Outlet Size (in)	Pressure Limit^{1, 2} (psig)	Dimensions² "A" x "B" x "C" (in ± .125)	Approximate Weight² (lbs)
Inlet and Outlet Code76^☆	Inlet and Outlet Size (in) 6" 150 x 8" 150	Pressure Limit^{1, 2} (psig)285	Dimensions² "A" x "B" x "C" (in ± .125) 9.438 x 9.500 x 31.060	Approximate Weight² (lbs) 420
Inlet and Outlet Code77^☆	Inlet and Outlet Size (in) 6" 300 x 8" 150	Pressure Limit^{1, 2} (psig)740	Dimensions² "A" x "B" x "C" (in ± .125) 9.438 x 9.500 x 31.060	Approximate Weight² (lbs) 435
Inlet and Outlet Code78^☆	Inlet and Outlet Size (in) 6" 600 x 8" 150	Pressure Limit^{1, 2} (psig)1450	Dimensions² "A" x "B" x "C" (in ± .125) 9.688 x 9.500 x 31.247	Approximate Weight² (lbs) 460
Inlet and Outlet Code79^☆	Inlet and Outlet Size (in) 6" 600 x 8" 300	Pressure Limit^{1, 2} (psig)1480	Dimensions² "A" x "B" x "C" (in ± .125) 9.688 x 10.438 x 31.247	Approximate Weight² (lbs)
Inlet and Outlet Code76X	Inlet and Outlet Size (in) 6" 150 x 8" 150 x 8" 150	Pressure Limit^{1, 2} (psig)285	Dimensions² "A" x "B" x "C" (in ± .125) 9.438 x 9.500 x 9.500 x 31.060	Approximate Weight² (lbs) 430
Inlet and Outlet Code77X	Inlet and Outlet Size (in) 6" 300 x 8" 150 x 8" 150	Pressure Limit^{1, 2} (psig)740	Dimensions² "A" x "B" x "C" (in ± .125) 9.438 x 9.500 x 9.500 x 31.060	Approximate Weight² (lbs) 445
Inlet and Outlet Code78X	Inlet and Outlet Size (in) 6" 600 x 8" 150 x 8" 150	Pressure Limit^{1, 2} (psig)1450	Dimensions² "A" x "B" x "C" (in ± .125) 9.688 x 9.500 x 9.500 x 31.372	Approximate Weight² (lbs) 470
Inlet and Outlet Code79X	Inlet and Outlet Size (in) 6" 600 x 8" 300 x 8" 300	Pressure Limit^{1, 2} (psig)1480	Dimensions² "A" x "B" x "C" (in ± .125) 9.688 x 10.438 x 10.438 x 31.372	Approximate Weight² (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 Gas Modulating "Q" Orifice | Dimensions & Weights (SI)
Inlet and Outlet Code	Inlet and Outlet Size DN (mm)	Pressure Limit^{1, 2} (kPa)	Dimensions² "A" x "B" x "C" (mm ± 3.175)	Approximate Weight² (kg)
Inlet and Outlet Code76^☆	Inlet and Outlet Size DN (mm)DN 150 150 x DN 200 150	Pressure Limit^{1, 2} (kPa)1965	Dimensions² "A" x "B" x "C" (mm ± 3.175)239.7 x 241.3 x 574.7	Approximate Weight² (kg)190.5
Inlet and Outlet Code77^☆	Inlet and Outlet Size DN (mm)DN 150 300 x DN 200 150	Pressure Limit^{1, 2} (kPa)5102	Dimensions² "A" x "B" x "C" (mm ± 3.175)239.7 x 241.3 x 574.7	Approximate Weight² (kg)197.3
Inlet and Outlet Code78^☆	Inlet and Outlet Size DN (mm)DN 150 600 x DN 200 150	Pressure Limit^{1, 2} (kPa)9997	Dimensions² "A" x "B" x "C" (mm ± 3.175)246.1 x 241.6 x 793.8	Approximate Weight² (kg)208.7
Inlet and Outlet Code79^☆	Inlet and Outlet Size DN (mm)DN 150 600 x DN 200 300	Pressure Limit^{1, 2} (kPa)10204	Dimensions² "A" x "B" x "C" (mm ± 3.175)246.1 x 256.2 x 793.8	Approximate Weight² (kg)
Inlet and Outlet Code76X	Inlet and Outlet Size DN (mm)DN 150 150 x DN 200 150 x DN 200 150	Pressure Limit^{1, 2} (kPa)1965	Dimensions² "A" x "B" x "C" (mm ± 3.175)239.7 x 241.3 x 241.3 x 574.7	Approximate Weight² (kg)195.0
Inlet and Outlet Code77X	Inlet and Outlet Size DN (mm)DN 150 300 x DN 200 150 x DN 200 150	Pressure Limit^{1, 2} (kPa)5102	Dimensions² "A" x "B" x "C" (mm ± 3.175)239.7 x 241.3 x 241.3 x 574.7	Approximate Weight² (kg)201.8
Inlet and Outlet Code78X	Inlet and Outlet Size DN (mm)DN 150 600 x DN 200 150 x DN 200 150	Pressure Limit^{1, 2} (kPa)9997	Dimensions² "A" x "B" x "C" (mm ± 3.175)246.1 x 241.3 x 241.3 x 581.0	Approximate Weight² (kg)213.2
Inlet and Outlet Code79X	Inlet and Outlet Size DN (mm)DN 150 600 x DN 200 300 x DN 200 300	Pressure Limit^{1, 2} (kPa)10204	Dimensions² "A" x "B" x "C" (mm ± 3.175)246.1 x 256.2 x 256.2 x 793.8	Approximate Weight² (kg)

9500 Gas Modulating “Q” Orifice

think…mercer first®

Features:

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

A | INLET & OUTLET COMBINATION

B | API ORIFICE SIZE

C | FLANGE TYPE

D | BODY MATERIAL

E | OPTIONS

F | SEAT MATERIAL┼┼

G | SOUR GAS SERVICE

H | PILOT TYPE

I | O-RING MATERIAL┼┼

J | TWO-DIGIT "SPECIAL" CODE

9500 Modulating Pilot Valve | Part Number Selection

A | MODULE PRESSURE CODE

B | BODY MATERIAL

C | MODULE SEALS▼

D | BLOWDOWN TYPE

E | FIELD TEST CONNECTION

F | TEST ACCESSORIES

G | SPRING CODE

H | SOUR GAS SERVICE

I | ORING MATERIAL▼

J | TWO-DIGIT "SPECIAL" CODE

think…mercer first^®

F | SEAT MATERIAL^┼^┼

I | O-RING MATERIAL^┼^┼

C | MODULE SEALS^▼

I | ORING MATERIAL^▼