Pressure Sustaining Valve IR-430-XZ

The BERMAD Model IR-430-XZ Pressure Relief/Sustaining Valve is a hydraulically operated, diaphragm actuated control valve that it sustains minimum preset upstream (back) pressure regardless of fluctuating flow or varying downstream pressure.

Product Features & Benefits
    • 3-Way Hydraulic Actuated Pressure Sustaining Valve
        • Controls system fill-up


        • Sustains upstream line pressure


        • Opens fully upon line pressure rise


        • Prioritizes pressure zones




    • 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 performance


        • Progressively restrains valve closing


        • Prevents diaphragm distortion




    • User Friendly Design
        • Easy pressure setting


        • Simple in-line inspection and service




Typical Product Applications

Typical Applications

  • Downhill Supply Lines Emptying Prevention
  • Systems Subject to Varying Supply Pressure
  • Energy Saving Irrigation Systems
  • Pressure Zone Prioritizing
  • Line Fill-Up Control
  • Pump Overload and Cavitation Protection