Collection: Trapped Pressure Unloader Valves

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Pressure Washing Supplies UK is a UK supplier of pressure washing equipment, pumps, hose reels, hoses, valves, fittings and replacement parts for professional, agricultural and industrial use.

  • Interpump HX Unloader Valve
    Interpump HX Unloader Valve
    Part No: HX
    • 130 Bar max pressure
    • 5-15 Lpm flow
    • 60°C max water temperature
    • Trapped pressure valve
    • Brass construction
    • 3/8"BSPM inlet
    • 3/8"BSPM outlet
    Regular price £41.98 GBP
    Regular price Sale price £41.98 GBP
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  • Interpump HM1 Unloader Valve
    Interpump HM1 Unloader Valve
    Part No: HM1
    • 200 Bar max pressure
    • 5-41 Lpm flow
    • 85°C max water temperature
    • Trapped pressure valve
    • Brass construction
    • 3/8"BSPF inlet
    • 3/8"BSPM outlet
    Regular price £66.36 GBP
    Regular price Sale price £66.36 GBP
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  • Pratissoli H2820 Unloader Valve
    Pratissoli H2820 Unloader Valve
    Part No: H2820
    • 280 Bar max pressure
    • 20-200 Lpm flow
    • 85°C max water temperature
    • Trapped pressure valve
    • Brass body
    • 1"BSPF inlet
    • 1"BSPF outlet
    Regular price £497.01 GBP
    Regular price Sale price £497.01 GBP
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  • Interpump H253 Unloader Valve - AISI 316 H253SS
    Interpump H253 Unloader Valve - AISI 316 H253SS
    Part No: H253SS
    • 250 Bar max pressure
    • 8-30 Lpm flow
    • 60°C max water temperature
    • Trapped pressure valve
    • AISI 316 stainless steel body and internals*
    • *AISI 420 ball, 17.4-PH s/steel valve shaft
    • 3/8"BSPF inlet
    Regular price £339.78 GBP
    Regular price Sale price £339.78 GBP
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  • Pratissoli H1520 Unloader Valve
    Pratissoli H1520 Unloader Valve
    Part No: H1520
    • 150 Bar max pressure
    • 20-200 Lpm flow
    • 85°C max water temperature
    • Trapped pressure valve
    • Brass construction
    • 1"BSPF inlet
    • 1"BSPF outlet
    Regular price £242.49 GBP
    Regular price Sale price £242.49 GBP
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  • VRT3 Unloader Valve & Chemical Injector ART614
    VRT3 Unloader Valve & Chemical Injector ART614
    Part No: ART614
    • 250 Bar rated pressure
    • 40 Lpm max flow
    • 90°C rated water temperature
    • Trapped pressure valve
    • Chemical injector - 2.1mm jet
    • Brass & steel construction
    • Blue spring with regulator knob
    Regular price £52.21 GBP
    Regular price Sale price £52.21 GBP
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  • VRT3 Unloader Valve & Chemical Injector ART613
    VRT3 Unloader Valve & Chemical Injector ART613
    Part No: ART613
    • 250 Bar rated pressure
    • 40 Lpm max flow
    • 90°C rated water temperature
    • Trapped pressure valve
    • Chemical injector - 2.3mm jet
    • Brass & steel construction
    • Blue spring with regulator knob
    Regular price £46.80 GBP
    Regular price Sale price £46.80 GBP
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  • VRT3 Unloader Valve & Chemical Injector ART612
    VRT3 Unloader Valve & Chemical Injector ART612
    Part No: ART612
    • 250 Bar rated pressure
    • 40 Lpm max flow
    • 90°C rated water temperature
    • Trapped pressure valve
    • Chemical injector - 2.1mm jet
    • Brass & steel construction
    • Blue spring with regulator knob
    Regular price £46.80 GBP
    Regular price Sale price £46.80 GBP
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  • VB450/300 Unloader Valve 60.4030.00
    VB450/300 Unloader Valve 60.4030.00
    Part No: 60.4030.00
    • 300 Bar rated pressure
    • 450 Lpm max flow
    • 90°C rated water temperature
    • 1"1/4BSPF inlet
    • 1"1/4BSPF outlet
    • 1"1/2BSPF bypass
    • Brass body
    Regular price £752.15 GBP
    Regular price Sale price £752.15 GBP
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  • VB450/200 Unloader Valve 60.4020.00
    VB450/200 Unloader Valve 60.4020.00
    Part No: 60.4020.00
    • 200 Bar rated pressure
    • 450 Lpm max flow
    • 90°C rated water temperature
    • 1"1/4BSPF inlet
    • 1"1/4BSPF outlet
    • 1"1/2BSPF bypass
    • Brass body
    Regular price £596.57 GBP
    Regular price Sale price £596.57 GBP
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  • VB9 Unloader Valve 60.2250.00
    VB9 Unloader Valve 60.2250.00
    Part No: 60.2250.00
    • 22-220 Bar rated pressure
    • 30 Lpm max flow
    • 90°C rated water temperature
    • Trapped pressure valve
    • Brass & steel construction
    • Plastic regulator knob
    • 3/8"BSPF inlet
    Regular price £72.08 GBP
    Regular price Sale price £72.08 GBP
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  • VB350S Unloader Valve 60.1800.00
    VB350S Unloader Valve 60.1800.00
    Part No: 60.1800.00
    • 350 Bar rated pressure
    • 40 Lpm max flow
    • 90°C rated water temperature
    • Trapped pressure valve
    • Brass & steel construction
    • Adjustable min & max pressure
    • 3/8"BSPM inlet
    Regular price £97.36 GBP
    Regular price Sale price £97.36 GBP
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  • VB350 Unloader Valve 60.1700.00
    VB350 Unloader Valve 60.1700.00
    Part No: 60.1700.00
    • 350 Bar rated pressure
    • 40 Lpm max flow
    • 90°C rated water temperature
    • Trapped pressure valve
    • Brass & steel construction
    • Nylon regulator knob
    • 3/8"BSPM inlet
    Regular price £81.09 GBP
    Regular price Sale price £81.09 GBP
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  • VB26 Unloader Valve - AISI 316 60.1400.60
    VB26 Unloader Valve - AISI 316 60.1400.60
    Part No: 60.1400.60
    • 280 Bar rated pressure
    • 80 Lpm max flow
    • 90°C rated water temperature
    • Trapped pressure valve
    • AISI 316 stainless steel
    • Viton seals
    • Plastic regulator knob
    Regular price £403.78 GBP
    Regular price Sale price £403.78 GBP
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