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IR-420-54-bK

Pressure Reducing Valve

The BERMAD Model IR-420-54-bK 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. It is a Normally Closed valve, which opens in response to a remote pressure drop command and shuts in the absence of that command.
 

Features and Benefits

  • Line Pressure Driven Normally Closed PRV
    • Protects downstream systems
    • Closes upon control failure
    • Amplifies and relays weak remote command
  • Pressure Reducing Servo Pilot Controlled
    • Dynamic integrated 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 actuation pressure
    • Excellent low-flow regulation performance
    • Progressively restrains valve closing
    • Prevents diaphragm distortion
  • Simple In-Line Inspection and Service
     

Typical Applications

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

 

[1] BERMAD Model IR-420-54-bK opens upon pressure rise
     command, and establishes reduced pressure zone
     protecting laterals and distribution line.
[2] BERMAD Relief Valve Model IR-43Q-K
[3] BERMAD Air Valve Model ARA-A-P-P
[4] BERMAD Vacuum Breaker Model ½"-ARV