General Pump offers a wide variety of unloaders, safety relief valves, balanced relief valves, etc. to support our pumps.

Regulating Valves (16)

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Easy Start Valves (8)

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Miscellaneous Valves (51)

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Relief Valves (54)

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Trapped Pressure Unloaders (69)

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Control Set Unloaders (30)

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Flow Sensitive Unloaders (27)

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  • YCV38FSSLC

    Specifications

    GPM

    Rated PSI

    5800

    Max PSI

    6500

    Outlet

    3/8" BSP-F

    Temperature

    195° F

    Ship Weight

    0.5 lbs.

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    Download Specification

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    Vehicle Cleaning Catalog

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    Check Valve, Stainless Steel
  • YCV14FSSLC

    Specifications

    GPM

    Rated PSI

    5800

    Max PSI

    6500

    Outlet

    1/4" BSP-F

    Temperature

    195° F

    Ship Weight

    0.5 lbs.

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    Download Specification

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    Vehicle Cleaning Catalog

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    Check valve, 303 stainless steel
  • YU21405MS

    Specifications

    GPM

    Rated PSI

    4050

    Max PSI

    4500

    Inlet

    (2) 1/2" NPT-F

    Outlet

    1/2" NPT-F

    Bypass

    1/2" NPT-F

    Temperature

    195° F

    Ship Weight

    2.5 lbs.

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    Download Specification

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    Trapped Pressure, Blue Spring with Microswitch
  • 2100242MS

    Specifications

    GPM

    Max PSI

    4000

    Inlet

    (2) 3/8" NPT-F

    Outlet

    3/8" NPT-F

    Bypass

    (2) 3/8" NPT-F

    Temperature

    185° F

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    Download Specifications

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    Trapped Pressure Unloader with Micro Switch
  • ZH1520

    Specifications

    GPM

    Max PSI

    2465

    Inlet

    1" NPT-F

    Outlet

    1" NPT-F

    Bypass

    1" NPT-F

    Temperature

    185° F

    Ship Weight

    4.4 lbs.

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    Download Specifications

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    Trapped Pressure Unloader
  • ZH224K

    Specifications

    GPM

    Max PSI

    2300

    Inlet

    3/8" NPT-F

    Outlet

    3/8" NPT-F

    Bypass

    (2) 3/8" NPT-F

    Temperature

    194° F

    Ship Weight

    2.8 lbs.

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    Trapped pressure unloader valve, with knob.
  • ZH224

    Specifications

    GPM

    Max PSI

    2300

    Inlet

    3/8" NPT-F

    Outlet

    3/8" NPT-F

    Bypass

    (2) 3/8" NPT-F

    Temperature

    194° F

    Ship Weight

    2.8 lbs.

    View Details

    Download Specifications

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    Trapped pressure unloader valve.
  • 2100242EZ

    Specifications

    GPM

    Max PSI

    4000

    Inlet

    (2) 3/8" NPT-F

    Outlet

    3/8" NPT-F

    Bypass

    (2) 3/8" NPT-F

    Temperature

    185° F

    View Details

    Download Specifications

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    Trapped pressure unloader valve with EZ Start
  • YVB35KDMI18A

    Specifications

    GPM

    Rated PSI

    3200

    Max PSI

    3200

    Inlet

    1/2" BSP-F

    Outlet

    1/2" BSP-M

    Injector

    1.8 mm

    Temperature

    195° F

    Ship Weight

    1.9 lbs.

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    Direct Mount, Control Set Unloader For ET, 53 Series Pumps
  • 101152

    Specifications

    GPM

    Max PSI

    6000

    Temperature

    32 – 150° F

    Ship Weight

    .325 lbs.

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    Download Specifications

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    Cold Water Safety Relief Valve, End Discharge
  • 101148

    Specifications

    GPM

    MIN PSI

    6000

    Max PSI

    6000

    Temperature

    32 – 150° F

    Ship Weight

    .325 lbs.

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    Download Specifications

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    Cold Water Safety Relief Valve, End Discharge
  • ZH284K

    Specifications

    GPM

    Max PSI

    4060

    Inlet

    3/8" NPT-F

    Outlet

    3/8" NPT-F

    Bypass

    (2) 3/8" NPT-F

    Temperature

    194° F

    Ship Weight

    2.9 lbs.

    View Details

    Download Specifications

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    Trapped Pressure Unloader With Knob
  • ZH284

    Specifications

    GPM

    Max PSI

    4060

    Inlet

    3/8" NPT-F

    Outlet

    3/8" NPT-F

    Bypass

    (2) 3/8" NPT-F

    Temperature

    194° F

    Ship Weight

    2.9 lbs.

    View Details

    Download Specifications

    Download
    Trapped Pressure Unloader
  • ZH2820

    Specifications

    GPM

    Max PSI

    4500

    Inlet

    1" NPT-F

    Outlet

    1" NPT-F

    Bypass

    1/2" NPT-F

    Temperature

    185° F

    Ship Weight

    4.4 lbs.

    View Details

    Download Specifications

    Download
    Trapped Pressure Unloader
  • 100789

    Specifications

    GPM

    PSI

    Temperature

    150° F

    Ship Weight

    .325 lbs.

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    Download Specifications

    Download

    Download Specifications

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    Cold Water Safety Relief Valve, Side Discharge With Hose Barb
  • 100787

    Specifications

    GPM

    PSI

    Temperature

    32 – 150° F

    Ship Weight

    .325 lbs.

    View Details

    Download Specifications

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    Cold Water Safety Relief Valve, Side Discharge With Hose Barb

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