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GEM-FLOW, G500-PRPS, Pressure Reducing & Sustaining Valve 1½"- 4"


G500-PRPS model pressure reducing/sustaining hydraulic control valve reduces valve downstream pressure to desired value by sustaining upstream pressure. Two pilot valves exist on the valve. Pilot valve on upstream side is the pressure sustaining pilot valve and sustains upstream pressure. The other pilot valve is pressure reducing pilot valve and keeps downstream pressure constant by reducing it to desired value. Reducing / sustaining control valve pumps fluid downwards; it ensures that the system works within normal values by regulating overflow and high pressure in pumping systems. It controls upstream and downstream pressure continuously and keeps them within constant values.


  • Use G500-PRPS for protecting booster pumps and
    preserving set pressure downstream

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