Fisher Natural Gas – Transmission Regulators

Transmission Regulators
•    310A
•    EZH
•    EZR
•    EZROSX

 

Type 310A Pressure Reducing Regulator



The Type 310A fuel pressure regulator is used for high-pressure applications which require fast response such as fuel gas supply to a gas turbine or other large volume applications. The Type 310A fuel pressure regulator includes one Type 32A pilot assembly mounted on the main valve for pressure reducing or wide-open monitoring applications.

The Type 310A fuel pressure regulator has accurate control, tight shutoff, high capacity, reduce relief requirements and fast speed of response.

In addition, minimum installation space is required for the Type 310A fuel pressure regulator.

 

Features

  • High Capacity
  • Tight Shutoff
  • Accurate Control
  • Minimum Installation Space Required

Body Sizes and End Connection Styles

  • 1-inch (DN 25) body with NPT end connection
  • 2, 3, 4 or 4 x 6-inch (DN 50, 80 100 or 100 x 200) bodies with 300 RF, 600 RF, or PN 25 or PN 40 end connection

Maximum Inlet Pressure

  • 1480 psig (102 bar)

Maximum Outlet (Casing) Pressure

  • 1480 psig (102 bar)

Outlet Pressure Ranges

  • 10 to 750 psig (0,69 to 52 bar) in five ranges

Pressure Registration

  • External

Temperature Capabilites

  • -20 to 300°F (-29 to 149°C)

Dimensions and Approximate Shipping Weights

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Type EZH Pressure Reducing Regulator


The Type EZH regulators are accurate pilot-operated, pressure balanced, soft seated regulators. They are designed for use in high pressure natural gas transmission/city gate stations, distribution systems, and power plant feeds. They provide smooth, reliable operation, tight shutoff and long life.

Available Configurations

Type EZH:  Pilot-operated pressure reducing regulator for low to high outlet presure.

Type EZHOSX: Type EZH with an OS2 slam-shut device for overpressure or overpressure and underpressure protection.

Features

  • 1480 psig (102 bar) Inlet/Outlet Rating
  • Common Body Platform
  • Bubble Tight Shutoff
  • Absolutely No Atmospheric Bleed
  • Optional Slam-Shut Device
  • Full Usable Capacity
  • In-line Maintenance
  • Long Life in Severe Service Applications
  • Precise Pressure Control
  • High Turn Down Capability

Body Size and End Connection Styles

  • 1 or 2-inch (DN 25 or 50)
    • Main Valve Body Material: WCC Steel
    • End Connection Styles:  NPT or SWE, ANSI Class 150 RF, ANSI Class 300 RF, ANSI Class 600 RF or BWE
  • 3-inch (DN 80)
    • Main Valve Body Material: WCC Steel
    • End Connection Styles: ANSI Class 150 RF, ANSI Class 300 RF, ANSI Class 600 RF or BWE

Maximum Allowable Pressures

  • Inlet Pressure:  1480 psig (102 bar)
  • Outlet (Casing) Pressure:  1480 psig (102 bar)
  • Emergency Casing Pressure:  1480 psig (102 bar)
  • Operating Differential Pressure:  1480 psid (102 bar d)

Maximum Outlet Pressure

  • 435 to 1160 psig (30 to 80 bar)

Outlet Pressure Ranges

  • 7.3 to 1160 psig (0,5 to 80 bar) in ten ranges

Temperature Capabilites

  • -20° to 180°F (-29° to 82°C)

Approximate Weights


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Type 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 Series pilot, 161AY Series pilot or a PRX Series pilot.  For applications that have high pressure drops, using a Type 161AYM, 161EBM, or 161EBHM monitor pilot will increase the accuracy of the regulator.

Type EZROSX with Slam-Shut Device

The 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

  • Robust
  • Quiet Operation
  • Thoroughly Tested
  • Exceptional Design
  • Internally Actuated

Pressure Registration

  • External

Maximum Operating Inlet Pressure

  • 1050 psig (72,4 bar)

Body Sizes and End Connection Styles

  • Cast Iron
    • 2x1, 2, 3, 4, and 6-inch (DN 50x25, 50, 80, 100, and 150)
      • End Connection Styles(1)
        • NPT (2x1 and 2-inch only) (DN 50x25 and 50 only)
        • ANSI Class 125B FF
        • ANSI Class 250B RF
  • WCC Steel
    • 1, 1-1/4(2), 2x1, 2, 3, 4, 6x4, 8x4, 6, 8x6, 12 x 6-inch (DN 25, 32, 50x25, 50, 80, 100, 150x100, 200x100, 150, 200x150, and 300x150)  
      • End Connection Styles(1)
        • NPT or SWE (1, 2x1 and 2-inch only) (DN 25, 50x25, and 50 only)
        • ANSI Class 150 RF
        • ANSI Class 300 RF
        • ANSI Class 600 RF or BWE
  • LCC Steel
    • 8-inch (DN 200)  
      • End Connection Styles(1)
        • ANSI Class 150 RF
        • ANSI Class 300 RF
        • ANSI Class 600 RF

(1)Ratings and end connections for other than ANSI standard can usually be provided.
(2)Available in steel NPT only.
Pressure Registration

  • External

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

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Type 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 Series pilot, 161AY Series pilot or a PRX Series pilot.  For applications that have high pressure drops, using a Type 161AYM, 161EBM, or 161EBHM monitor pilot will increase the accuracy of the regulator.

Type EZROSX with Slam-Shut Device

The 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

  • Robust
  • Quiet Operation
  • Thoroughly Tested
  • Exceptional Design
  • Internally Actuated

Pressure Registration

  • External

Maximum Operating Inlet Pressure

  • 1050 psig (72,4 bar)

Body Sizes and End Connection Styles

  • Cast Iron
    • 2x1, 2, 3, 4, and 6-inch (DN 50x25, 50, 80, 100, and 150)
      • End Connection Styles(1)
        • NPT (2x1 and 2-inch only) (DN 50x25 and 50 only)
        • ANSI Class 125B FF
        • ANSI Class 250B RF
  • WCC Steel
    • 1, 1-1/4(2), 2x1, 2, 3, 4, 6x4, 8x4, 6, 8x6, 12 x 6-inch (DN 25, 32, 50x25, 50, 80, 100, 150x100, 200x100, 150, 200x150, and 300x150)  
      • End Connection Styles(1)
        • NPT or SWE (1, 2x1 and 2-inch only) (DN 25, 50x25, and 50 only)
        • ANSI Class 150 RF
        • ANSI Class 300 RF
        • ANSI Class 600 RF or BWE
  • LCC Steel
    • 8-inch (DN 200)  
      • End Connection Styles(1)
        • ANSI Class 150 RF
        • ANSI Class 300 RF
        • ANSI Class 600 RF

(1)Ratings and end connections for other than ANSI standard can usually be provided.
(2)Available in steel NPT only.
Pressure Registration

  • External

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

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