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Pressure & Flow Control Valves

(Showing 12 of 47)
Pressure and flow control valves play a critical role in managing performance and protecting components in high-pressure systems. This category includes unloaders, safety and relief valves, and other flow control solutions used to regulate pressure, control water flow, and ensure safe, reliable operation across a wide range of applications.
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  • Bertolini APR 25: 2500 psi @ 5.5 US gpm Unloader Valve

    Bertolini Pumps

    SKU: 041003

    Bertolini APR 25: 2500 psi @ 5.5 US gpm Unloader Valve

    Chemical injector: No
    Inlet: 1/2-in Male
    Outlet: 3/8-in Male
    Inlet Banjo Bolt: 3/8-in Male
    Outlet Banjo Bolt: 3/8-in Male
    $83.00
  • P.A. VB 85/160: 2300 psi @ 21 US gpm Unloader Valve

    P.A.

    SKU: 042006

    P.A. VB 85/160: 2300 psi @ 21 US gpm Unloader Valve

    Chemical injector: No
    Inlet: 1/2-in Female
    Outlet: 1/2-in Female
    Bypass: 1/2-in Female
    $170.00
  • Canpump 1/2-in Unloader Valve - 4350 psi @ 21.1 US gpm

    Canpump

    SKU: 043006

    Canpump 1/2-in Unloader Valve - 4350 psi @ 21.1 US gpm

    Chemical injector: No
    Inlet: 1/2-in Female
    Outlet: 1/2-in Female
    Bypass: 1/2-in Female
    $101.00
  • P.A. VB 35: 2500 psi @ 6.5 US gpm Bolt-On Unloader Valve

    P.A.

    SKU: 041018

    P.A. VB 35: 2500 psi @ 6.5 US gpm Bolt-On Unloader Valve

    Chemical injector: No
    Inlet: 3/8-in Female
    Outlet: 3/8-in Male
    Inlet Banjo Bolt: 3/8-in Male
    Outlet Banjo Bolt: 3/8-in Male
    $93.00
  • P.A. Pulsar Zero: 4050 psi @ 10.5 US gpm Flow-Sensitive Unloader Valve

    P.A.

    SKU: 041011

    P.A. Pulsar Zero: 4050 psi @ 10.5 US gpm Flow-Sensitive Unloader Valve

    Chemical injector: No
    Inlet: 3/8-in Female
    Outlet: 3/8-in Female
    Bypass: 3/8-in Female
    $265.00
  • P.A. VB 200/150: 2175 psi @ 53 US gpm Unloader Valve

    P.A.

    SKU: 043001

    P.A. VB 200/150: 2175 psi @ 53 US gpm Unloader Valve

    Chemical injector: No
    Inlet: 1-in Female
    Outlet: 1-in Female
    Bypass: 1-in Female
    $385.00
    Only 2 in stock
  • Bertolini APR 40: 4000 psi @ 5.5 US gpm Unloader Valve

    Bertolini Pumps

    SKU: 041007

    Bertolini APR 40: 4000 psi @ 5.5 US gpm Unloader Valve

    Chemical injector: No
    Inlet: 1/2-in Male
    Outlet: 3/8-in Male
    Inlet Banjo Bolt: 1/2-in Male
    Outlet Banjo Bolt: 3/8-in Male
    $83.00
    Only 3 in stock
  • Canpump Universal 3/8-in Unloader Valve - 4000 psi @ 6.6 US gpm, Easy Start

    Canpump

    SKU: 043005

    Canpump Universal 3/8-in Unloader Valve - 4000 psi @ 6.6 US gpm, Easy Start

    Chemical injector: No
    Inlet: 3/8-in Female
    Outlet: 3/8-in Male
    Bypass: 3/8-in Female
    $64.00
  • P.A. Pulsar Rv: 2300 psi @ 10 US gpm Unloader Bypass Valve w/ Knob

    P.A.

    SKU: 041009

    P.A. Pulsar Rv: 2300 psi @ 10 US gpm Unloader Bypass Valve w/ Knob

    Chemical injector: No
    Inlet: 3/8-in Female
    Outlet: 3/8-in Female
    Bypass: 3/8-in Female
    $83.00
  • P.A. VS 310: 4500 psi @ 10.5 US gpm Safety/Relief Valve, 1 Inlet Port

    P.A.

    SKU: 041014

    P.A. VS 310: 4500 psi @ 10.5 US gpm Safety/Relief Valve, 1 Inlet Port

    Inlet: 3/8-in Female
    Outlet: 3/8-in Female
    $74.00
  • Bertolini APR 30: 3000 psi @ 5.5 US gpm Unloader Valve

    Bertolini Pumps

    SKU: 041005

    Bertolini APR 30: 3000 psi @ 5.5 US gpm Unloader Valve

    Chemical injector: No
    Inlet: 1/2-in Male
    Outlet: 3/8-in Male
    Inlet Banjo Bolt: 1/2-in Male
    Outlet Banjo Bolt: 3/8-in Male
    $83.00
  • Canpump Unloader Valve - 4000 psi @ 6.6 US gpm, Easy Start, Outlet 3/8-in M NPT, Without Injector

    Canpump

    SKU: 043008

    Canpump Unloader Valve - 4000 psi @ 6.6 US gpm, Easy Start, Outlet 3/8-in M NPT, Without Injector

    Chemical injector: No
    Inlet: 3/4-in Garden Hose Female
    Outlet: 3/8-in Male NPT
    Inlet Banjo Bolt: 1/2-in Male
    Outlet Banjo Bolt: 3/8-in Male
    $51.00