Pressure Sustaining Valve IR-430-XZ


  • 3-Way Hydraulic Actuated Pressure Sustaining Valve
    • Controls system fill-up
    • Sustains upstream line pressure
    • Opens fully upon line pressure rise
    • Prioritizes pressure zones


The Bermad Model IR-430-XZ Pressure Relief/Sustaining Valve is a hydraulically operated, diaphragm actuated control valve. This valve sustains minimum preset upstream (back) pressure, regardless of fluctuating flow or varying downstream pressure.  The pilot is a 3 way positioning product enabling the valve to go 100% wide open to minimize head loss when applicable.

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