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EZR Pressure Reducing Regulator
The Type EZR pilot-operated, pressure-reducing regulators are used for natural gas, air, or other non-corrosive gas applications and include a Type 112 restrictor and a 161EB, 161AY or PRX Series pilot. For applications that have high pressure drops, using a Type 161AYM or 161EB monitor pilot will increase the accuracy of the regulator.
If you would like access to downloadable CAD drawings, please login or register.
EZROSX with Slam-Shut DeviceThe optional slam-shut device can provide either overpressure or overpressure and underpressure protection by completely shutting off the flow of gas to the downstream system.The slam-shut has a mechanism box and a manometric device. The manometric device is a spring and diaphragm actuator. Its movement activates the detection stage of the mechanism box.The shutoff is a two stage process, the detection stage and the power stage.This separation between detection stage and power stage provides maximum precision, alleviating many false trips caused by environmental vibrations. Features EZR - Robust
- Quiet Operation
- Thoroughly Tested
- Exceptional Design
- Internally Actuated
EZROSX - Tight Shutoff
- Robust
- Exceptional Design
- Quiet Operation
- Thoroughly Tested
- Internally Actuated
- Debris Protection
- High Accuracy
- Easy In-Line Maintenance
- In-Service Travel Indicator
Temperature Capabilities17E68 Nitrile (NBR): -20° to 150°F (-28° to 66°C)
17E97(1) Nitrile (NBR): 0° to 150°F (-17° to 66°C)
17E88 Fluorocarbon (FKM): 0° to 250°F (-17°to 121°C)(2) (1) The 6-inch (DN 150), 17E97 diaphragm will perform in gas temperatures as low as -20ºF (-29ºC) (2) For differential pressures above 400 psig (27,6 bar) diaphragm temperature is limited to 150ºF (66ºC) For lower temperatures, contact your local Sales Office.
Pressure RegistrationExternal Maximum Operating Inlet Pressure1050 psig (72,4 bar) Body Sizes and End Connection Styles Main Valve Body Size
| Main Valve Body Material
| End Connection Styles(1)
| Structural Design Rating(2)
| 2x1, 2, 3, 4 and 6-inch
(DN 50x25, 50, 80, 100 and 150)
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Cast Iron
| NPT
(2x1 and 2-inch only)
| 400 psig (27,6 bar)
| CL125 RF
| 200 psig (13,8 bar)
| CL250 RF
| 500 psig (34,5 bar)
| 1, 1-1/4(3), 2x1, 3, 4, 6x4(4), 8x4(4), 6, 8x6(4), 12x6-inch(4)
(DN 25, 32, 50x25, 50, 80, 100, 150x100, 200x100, 150, 200x150, 300x150)
|
WCC Steel
| NPT or SWE
(1, 2x1, and 2-inch only)
| 1480 psig (102 bar)
| CL150 RF
| 285 psig (19,6 bar)
| CL300 RF
| 740 psig (51,0 bar)
| CL600 RF or BWE
| 1480 psig (102 bar)
| 8-inch (DN 200)
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LCC Steel
| CL150 RF
| 285 psig (19,6 bar)
| CL300 RF
| 740 (51,0 bar)
| CL600 RF
| 1480 psig (102 bar)
| 1. Ratings and end connections for other than ANSI standard can usually be provided. Contact your local Sales Office for assistance. 2. See Tables 3, 8, 10 and 11 in Instruction Manual for diaphragm materials and additional pressure ratings. 3. Available in steel NPT only. 4. 6x4, 8x4, 8x6, 12x6 (DN 150x100, 200x100, 200x150, 300x150) Types EZR and 399 bodies are not the same as the EW valve bodies and are not interchangeable.
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Options - Integral Slam-Shut Device
- Prepiped Pilot Supply and Pilot Bleed
- Travel Indicator
- Inlet Strainer
- Type 252 Pilot Supply Filter
- Trim Package
- Restricted Capacity Trim
- Pilot Diaphragm for Pressure Loading
- Quick Disconnect Union in Pilot Mounting
Approximate Weights
Body Size,
Inches (DN)
| Cast Iron Main Valve Body,
Pounds (kg)
| WCC or LCC Steel Main Valve Body,
Pounds (kg) |
With Optional Slam-Shut,
Pounds (kg)
| NPT
| 125B FF
| 250B FF
| NPT, SWE,
or BWE
| 150 RF
| 300 RF
| 600 RF
| 150 RF
| 300 RF
| 600 RF
| 1, 1-1/4
(25, 32)
| ----
| ----
| ----
| 22 (10)
| 24 (11)
| 28 (13)
| 32 (15)
| 44 (20)
| 46 (21)
| 49 (22)
| 2, 2x1
(50, 50x25)
| 52 (24)
| 50 (23)
| 59 (27)
| 51 (23)
| 54 (24)
| 58 (26)
| 65 (29)
| 86 (39)
| 90 (41)
| 95 (43)
| 3
(80)
| ----
| 89 (40)
| 106 (48)
| 103 (47)
| 107 (49)
| 110 (50)
| 123 (56)
| 138 (63)
| 141 (64)
| 154 (70)
| 4
(100)
| ----
| 140 (64)
| 155 (70)
| 139 (63)
| 145 (66)
| 159 (72)
| 192 (87)
| 177 (80)
| 191 (87)
| 224 (102)
| 6x4
(150x100)
| ----
| ----
| ----
| 270 (122)
| 280 (127)
| 292 (132)
| 394 (179)
| ----
| ----
| ----
| 8x4
(200x100)
| ----
| ----
| ----
| 390 (177)
| 461 (209)
| 515 (234)
| 600 (272)
| ----
| ----
| ----
| 6
(150)
| ----
| 205 (93)
| 225 (102)
| 200 (91)
| 210 (95)
| 235 (107)
| 350 (159)
| 423 (192)
| 465 (211)
| 537 (244)
| 8x6
(200x150)
| ----
| ----
| ----
| 600 (272)
| 571 (259)
| 625 (284)
| 680 (308)
| ----
| ----
| ----
| 12x6
(300x150)
| ----
| ----
| ----
| 1160 (526)
| 994 (451)
| 1102 (500)
| 1590 (721)
| ----
| ----
| ----
| 8
(200)
| ----
| ----
| ----
| ----
| 635 (288)
| 685 (310)
| 790 (358)
| ----
| ----
| ----
| 1. Add an additional 15 pounds (6,8 kg) to get the weight with a 161AY Series Pilot.
2. Add an additional 5 pounds (2,3 kg) to get the weight of PRX Series pilot.
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Additional Technical DataFor additional technical information, contact your local Sales Office or refer to technical documentation. |
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