9500 Liquid Modulating "R" 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 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

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9500 Liquid Modulating "R" Orifice | Model Specifications
Orifice	R (USC)	R (SI)
OrificeStandard Inlet Sizes	R (USC) 6"	R (SI) 150 DN
OrificeInlet and Outlet Connection Types	R (USC) RF x RF, RTJ x RF, RTJ x RTJ	R (SI) RF x RF, RTJ x RF, RTJ x RTJ
OrificeActual Orifice Diameter	R (USC) 4.750 in	R (SI) 120.7 mm
OrificeActual Orifice Area	R (USC) 17.721 in²	R (SI) 11432.9 mm²
OrificeAPI Orifice Area	R (USC) 16.000 in²	R (SI) 10322.6 mm²
OrificePressure Range	R (USC) 15 – 1480 psig	R (SI) 104 – 10204 kPa
OrificeStandard Temperature Range	R (USC) -20°F to 400°F	R (SI) -29°C to 204°C
OrificeASME Flow Coefficient, K_d (Liquid)	R (USC) 0.731	R (SI) 0.731

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

9500 Liquid Modulating "R" Orifice | Selection

95 -

A | INLET & OUTLET COMBINATION

(See Dimensions & Weights, below.)

B | API ORIFICE SIZE

R – 17.721 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 (Not available in Liquid Service.)

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 SERVICE

BLANK^★ – NON SOUR APPLICATIONS

N – SOUR SERVICE

H | PILOT TYPE

M^★ – LIQUID 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.)

9500 Liquid Modulating Pilot Valve | Selection

L1 -

A | MODULE PRESSURE CODE

L1^★ – SET PRESSURE 15 to 85 PSIG

L2^★ – SET PRESSURE 86 to 175 PSIG

L3^★ – SET PRESSURE 176 to 450 PSIG

L5^★ – SET PRESSURE 451 to 750 PSIG

L6^★ – SET PRESSURE 751 to 1480 PSIG

B | BODY MATERIAL

2^★ – 316 STAINLESS STEEL

C | MODULATING PILOT MODULES^┼^┼

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 SERVICE

BLANK^★ – NON SOUR APPLICATIONS

N – SOUR SERVICE

I | ORING MATERIAL^┼^┼

BLANK^★ – STANDARD IF APPLICABLE

J | TWO-DIGIT "SPECIAL" CODE

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


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)1020	Dimensions² "A" x "B" x "C" (in ± .125) 9.688 x 9.500 x 31.247	Approximate Weight² (lbs) 460
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)1020	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 service and other options.
^☆Flange dimensions compliant with API 526.

9500 Liquid Modulating "R" 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)7032	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 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)7032	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 Liquid Modulating “R” Orifice

think…mercer first®

Features:

9500 Liquid Modulating "R" Orifice | Selection

A | INLET & OUTLET COMBINATION

B | API ORIFICE SIZE

C | FLANGE TYPE

D | BODY MATERIAL

E | OPTIONS

F | SEAT MATERIAL┼┼

G | SOUR SERVICE

H | PILOT TYPE

I | O-RING MATERIAL┼┼

J | TWO-DIGIT "SPECIAL" CODE

9500 Liquid Modulating Pilot Valve | Selection

A | MODULE PRESSURE CODE

B | BODY MATERIAL

C | MODULATING PILOT MODULES┼┼

D | BLOWDOWN TYPE

E | FIELD TEST CONNECTION

F | TEST ACCESSORIES

G | SPRING CODE

H | SOUR SERVICE

I | ORING MATERIAL┼┼

J | TWO-DIGIT "SPECIAL" CODE

think…mercer first^®

F | SEAT MATERIAL^┼^┼

I | O-RING MATERIAL^┼^┼

C | MODULATING PILOT MODULES^┼^┼

I | ORING MATERIAL^┼^┼