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
| Orifice | T (USC) | T (SI) |
|---|---|---|
| OrificeStandard Inlet Sizes | T (USC) 8" | T (SI) 200 DN |
| OrificeInlet and Outlet Connection Types | T (USC) RF x RF, RTJ x RF, RTJ x RTJ | T (SI) RF x RF, RTJ x RF, RTJ x RTJ |
| OrificeActual Orifice Diameter | T (USC) 5.750 in | T (SI) 146.1 mm |
| OrificeActual Orifice Area | T (USC) 25.967 in2 | T (SI) 16752.9 mm2 |
| OrificeAPI Orifice Area | T (USC) 26.000 in2 | T (SI) 16774.2 mm2 |
| OrificePressure Range | T (USC) 15 – 985 psig | T (SI) 104 – 6791 kPa |
| OrificeStandard Temperature Range | T (USC) -20°F to 400°F | T (SI) -29°C to 204°C |
| OrificeASME Flow Coefficient, Kd (Liquid) | T (USC) 0.731 | T (SI) 0.731 |
Mercer Valve Co., Inc. reserves the right to change product designs and specifications without notice.
9500 Gas Modulating "T" Orifice | Selection
95 -
81
A
T
B
1
C
3
D
0
E
7
F
G
L
H
I
J
A | INLET & OUTLET COMBINATION
(See Dimensions & Weights, below.)
B | API ORIFICE SIZE
T – 25.967 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
2
B
1
C
0
D
0
E
0
F
07
G
H
I
J
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) | Dimensions 2 "A" x "B" x "C" (in ± .125) | Approximate Weight 2 (lbs) |
|---|---|---|---|---|
| Inlet and Outlet Code81☆ | Inlet and Outlet Size (in) 8" 150 x 10" 150 | Pressure Limit 1, 2 (psig)285 | Dimensions 2 "A" x "B" x "C" (in ± .125) 10.875 x 11.000 x 31.966 | Approximate Weight 2 (lbs) 620 |
| Inlet and Outlet Code82☆ | Inlet and Outlet Size (in) 8" 300 x 10" 150 | Pressure Limit 1, 2 (psig)740 | Dimensions 2 "A" x "B" x "C" (in ± .125) 10.875 x 11.000 x 31.966 | Approximate Weight 2 (lbs) 645 |
| Inlet and Outlet Code83☆ | Inlet and Outlet Size (in) 8" 600 x 10" 150 | Pressure Limit 1, 2 (psig)985 | Dimensions 2 "A" x "B" x "C" (in ± .125) 11.688 x 11.000 x 32.779 | Approximate Weight 2 (lbs) 685 |
| Inlet and Outlet Code81X | Inlet and Outlet Size (in) 8" 150 x 10" 150 x 10" 150 | Pressure Limit 1, 2 (psig)285 | Dimensions 2 "A" x "B" x "C" (in ± .125) 10.875 x 11.000 x 11.000 x 31.966 | Approximate Weight 2 (lbs) 670 |
| Inlet and Outlet Code82X | Inlet and Outlet Size (in) 8" 150 x 10" 150 x 10" 150 | Pressure Limit 1, 2 (psig)740 | Dimensions 2 "A" x "B" x "C" (in ± .125) 10.875 x 11.000 x 11.000 x 31.966 | Approximate Weight 2 (lbs) 695 |
| Inlet and Outlet Code83X | Inlet and Outlet Size (in) 8" 600 x 10" 150 x 10" 150 | Pressure Limit 1, 2 (psig)985 | Dimensions 2 "A" x "B" x "C" (in ± .125) 11.688 x 11.000 x 11.000 x 32.779 | Approximate Weight 2 (lbs) 735 |
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.
| Inlet and Outlet Code | Inlet 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 Code81☆ | Inlet and Outlet Size DN (mm)DN 200 150 x DN 250 150 | Pressure Limit 1, 2 (kPa)1965 | Dimensions 2 "A" x "B" x "C" (mm ± 3.175)276.2 x 279.4 x 647.7 | Approximate Weight 2 (kg)281.2 |
| Inlet and Outlet Code82☆ | Inlet and Outlet Size DN (mm)DN 200 300 x DN 250 150 | Pressure Limit 1, 2 (kPa)5102 | Dimensions 2 "A" x "B" x "C" (mm ± 3.175)276.2 x 279.4 x 647.7 | Approximate Weight 2 (kg)292.6 |
| Inlet and Outlet Code83☆ | Inlet and Outlet Size DN (mm)DN 200 600 x DN 250 150 | Pressure Limit 1, 2 (kPa)6791 | Dimensions 2 "A" x "B" x "C" (mm ± 3.175)296.9 x 279.4 x 668.3 | Approximate Weight 2 (kg)310.7 |
| Inlet and Outlet Code81X | Inlet and Outlet Size DN (mm)DN 200 150 x DN 250 150 x DN 250 150 | Pressure Limit 1, 2 (kPa)1965 | Dimensions 2 "A" x "B" x "C" (mm ± 3.175)276.2 x 279.4 x 279.4 x 647.7 | Approximate Weight 2 (kg)303.9 |
| Inlet and Outlet Code82X | Inlet and Outlet Size DN (mm)DN 200 300 x DN 250 150 x DN 250 150 | Pressure Limit 1, 2 (kPa)5102 | Dimensions 2 "A" x "B" x "C" (mm ± 3.175)276.2 x 279.4 x 279.4 x 647.7 | Approximate Weight 2 (kg)315.2 |
| Inlet and Outlet Code83X | Inlet and Outlet Size DN (mm)DN 200 600 x DN 250 150 x DN 250 150 | Pressure Limit 1, 2 (kPa)6791 | Dimensions 2 "A" x "B" x "C" (mm ± 3.175)296.9 x 279.4 x 279.4 x 668.3 | Approximate Weight 2 (kg)333.4 |
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.