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Pressure Reducing Valve GR-420-55-bK

The BERMAD Pressure Reducing Valve with Solenoid Control is a hydraulically operated, diaphragm actuated control valve that reduces higher upstream pressure to very low and stable preset downstream pressure regardless of fluctuating demand, or varying upstream pressure. The BERMAD Model GR-420-55-b either opens or shuts in response to an electric signal.

Product Features & Benefits
  • Line Pressure Driven, Electrically Controlled On/Off

-Protects downstream systems

  • Pressure Reducing Servo Pilot Controlled

-Progressive needle valve

-Settable to 0.5 bar; 7 psi

-Very low hysteresis

  • Advanced Globe Hydro-Efficient Design

-Unobstructed flow path

-Single moving part

-High flow capacity

  • Fully Supported & Balanced Diaphragm

-Requires low opening and actuation pressure

-Excellent low flow regulation performances

-Progressively restrains valve closing

-Prevents diaphragm distortion

  • User-Friendly Design

-Easy pressure setting

-Simple in-line inspection and service

Typical Product Applications

Typical Applications

  • Computerized Irrigation Systems
  • Drip-Tape Systems
  • Low Set Pressure Applications
  • Distanced and/or Elevated Plots
  • Distribution Centers
  • Low Supplied Pressure Irrigation Systems


[1] BERMAD Model GR-420-55-bK opens in response to electric signal,

and establishes reduced pressure zone protecting laterals and distribution line.
[2] BERMAD Vacuum Breaker Model ½”-ARV

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