Collection: Unloader & Relief 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 BKX Unloader Valve BKX600
    Interpump BKX Unloader Valve BKX600
    Part No: BKX600
    • 600 Bar max pressure
    • 60 Lpm max flow
    • 60°C max water temperature
    • Flow sensitive valve
    • Brass & st.steel construction
    • 1/2"BSPF inlet
    • 1/2"BSPF outlet
    Regular price £915.81 GBP
    Regular price Sale price £915.81 GBP
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  • Interpump BH210 Unloader Valve
    Interpump BH210 Unloader Valve
    Part No: BH210
    • 210 Bar max pressure
    • 10-100 Lpm max flow
    • 85°C max water temperature
    • Trapped pressure valve
    • Brass construction
    • 1/2"BSPF inlet
    • 1/2"BSPF outlet
    Regular price £372.24 GBP
    Regular price Sale price £372.24 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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  • 556 Pressure Regulator ART556-70
    556 Pressure Regulator ART556-70
    Part No: ART556-70
    • 70 Bar max pressure
    • 25 Lpm max flow
    • 80°C rated water temperature
    • Mount in line
    • Brass body - Red spring
    • Stainless steel internals
    • Not preset
    Regular price £87.48 GBP
    Regular price Sale price £87.48 GBP
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  • 556 Pressure Regulator ART556-35
    556 Pressure Regulator ART556-35
    Part No: ART556-35
    • 35 Bar max pressure
    • 25 Lpm max flow
    • 80°C rated water temperature
    • Mount in line
    • Brass body - Blue spring
    • Stainless steel internals
    • Not preset
    Regular price £87.48 GBP
    Regular price Sale price £87.48 GBP
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  • 556 Pressure Regulator ART556-140
    556 Pressure Regulator ART556-140
    Part No: ART556-140
    • 140 Bar max pressure
    • 25 Lpm max flow
    • 80°C rated water temperature
    • Mount in line
    • Brass body - Gold spring
    • Stainless steel internals
    • Not preset
    Regular price £76.54 GBP
    Regular price Sale price £76.54 GBP
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  • 555 Pressure Regulator ART555-70
    555 Pressure Regulator ART555-70
    Part No: ART555-70
    • 70 Bar max pressure
    • 35 Lpm max flow
    • 80°C rated water temperature
    • Mount off line on a tee
    • Brass body - Red spring
    • Stainless steel internals
    • Not preset
    Regular price £82.61 GBP
    Regular price Sale price £82.61 GBP
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  • 555 Pressure Regulator ART555-35
    555 Pressure Regulator ART555-35
    Part No: ART555-35
    • 35 Bar max pressure
    • 35 Lpm max flow
    • 80°C rated water temperature
    • Mount off line on a tee
    • Brass body - Blue spring
    • Stainless steel internals
    • Not preset
    Regular price £82.61 GBP
    Regular price Sale price £82.61 GBP
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  • 555 Pressure Regulator ART555-140
    555 Pressure Regulator ART555-140
    Part No: ART555-140
    • 140 Bar max pressure
    • 35 Lpm max flow
    • 80°C rated water temperature
    • Mount off line on a tee
    • Brass body - Gold spring
    • Stainless steel internals
    • Not preset
    Regular price £71.67 GBP
    Regular price Sale price £71.67 GBP
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  • VB16 Soft Start Unloader Valve 60.8000.00
    VB16 Soft Start Unloader Valve 60.8000.00
    Part No: 60.8000.00
    • 500 Bar rated pressure
    • 80 Lpm max flow
    • 60°C rated water temperature
    • Flow sensitive valve
    • Soft Start action
    • Brass & steel construction
    • 1/2"BSPF inlet
    Regular price £572.06 GBP
    Regular price Sale price £572.06 GBP
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  • VS200/200 Pressure Regulator 60.5100.15
    VS200/200 Pressure Regulator 60.5100.15
    Part No: 60.5100.15
    • 200 Bar rated pressure
    • 200 Lpm max flow
    • 90°C rated temperature
    • Mount off line on a tee
    • Brass body - St.steel internals
    • Not preset, see manual
    • 3/4"BSPF inlet
    Regular price £76.88 GBP
    Regular price Sale price £76.88 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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