GAG Series Pressure Relief Valve 1
GAG Series Pressure Relief Valve 2
GAG Series Pressure Relief Valve 3
GAG Series Pressure Relief Valve 1
GAG Series Pressure Relief Valve 2
GAG Series Pressure Relief Valve 3

GAG Series Pressure Relief Valve

The Diaphragm Pressure Relief Valve is an accessory valve of the metering pump. The pressure Relief Valve can discharge excess liquid in time, effectively protect pumping systems for over pressure or blockage in the pump system . The valve is simple, reliable, sensitive, and has excellent corrosion resistance.Robust construction ensures reliability in the rigorous service of municipal and industrial applications.

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    Place of Origin
    CHINA
    Product Name
    Pressure Relief Valve

    Pressure Relief Valve is also called Safety Relief Valve, when the metering pump spit out side pipeline blockage, the liquid can be returned to the original medicine barrel through the pressure relief valve, do not cause the metering pump to spit out the side pressure continues to rise, destroy the metering pump and pipeline, the general pressure relief valve set pressure is usually less than the maximum working pressure of the metering pump or the system can withstand the pressure of about 1 BAR.

     

    This series of pressure relief valve is a diaphragm valve that opens only when the fluid pressure is greater than its set pressure. The pressure relief valve should be installed in the discharge line of the pump and should be close to the pump. Setting a pulsation damper and back pressure valve between the pump outlet and the pressure relief valve can help improve the performance of the pressure relief valve. The pressure of the valve should be set when the valve is installed and the pump is running, a pressure gauge should be installed between the pump and the pressure relief valve, starting from the minimum pressure to adjust the valve's adjustment screws until the pressure gauge reaches the desired pressure value. Turning the screw clockwise increases the set pressure and decreases counterclockwise, changing the pressure by about 8 psi per full turn.

    Diaphragm Pressure Relief Valve Detailed List
    Main Data Dimensions(mm)
    Model Body Material Size Max Flow L A B H D1 D2
    VR1P PVC 1/4” 240L/H 102 38 60 19 60 35
    VR1L 316L 1/4” 240L/H 102 38 60 19 60 35
    VR1F PVDF 1/4” 240L/H 102 38 60 19 60 35
    VR2P PVC 1/2” 380L/H 102 38 60 19 60 35
    VR2L 316L 1/2” 380L/H 102 38 60 19 60 35
    VR2F PVDF 1/2” 380L/H 102 38 60 19 60 35
    VR3P PVC 3/4” 650L/H 135 60 70 30 88 54
    VR3L 316L 3/4” 650L/H 135 60 70 30 88 54
    VR3F PVDF 3/4” 650L/H 135 60 70 30 88 54
    VR4P PVC 1” 800L/H 135 60 70 30 88 54
    VR4L 316L 1” 800L/H 135 60 70 30 88 54
    VR4F PVDF 1” 800L/H 135 60 70 30 88 54
    VR5P PVC 1-1/4” 1200L/H 145 70 70 35 100 54
    VR5L 316L 1-1/4” 1200L/H 145 70 70 35 88 54
    VR5F PVDF 1-1/4” 1200L/H 145 70 70 35 100 54
    VR6P PVC 1-1/2” 2600L/H 235 84 100 42 128 84/72
    VR6L 316L 1-1/2” 2600L/H 235 78 100 39 128 84/72
    VR6F PVDF 1-1/2” 2600L/H 235 84 100 42 128 84/72
    VR8P PVC 2” 3200L/H 255 95 100 47.5 128 84/72
    VR8L 316L 2” 3200L/H 250 89 100 44.5 128 84/72
    VR8F PVDF 2” 3200L/H 255 95 100 47.5 128 84/72
    Body Material PVC, PVDF, 316L Stainless Steel (SS), additional materials may be available on request
    Diaphragm PTFE+EPDM composite diaphragm
    Inlet Type NPT
    Adjustable Range 0-3 bar
    Valve Top ABS/304SS
    Max Temperature Plastic 45℃, Metal 60℃

    GAG Series Pressure Relief Valve 4

    Diaphragm Pressure Relief Valve Dimensions

     

    GAG Series Pressure Relief Valve 5

    Pumping System Overview

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