Collection: Diaphragm Pumps

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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.

  • Comet MC8 2 Diaphragm Pump
    Comet MC8 2 Diaphragm Pump
    Part No: 6126000900
    • 15 Bar max
    • 7.8 Lpm max
    • 1450 Rpm
    • 0.27 Hp, 0.20 kW
    • For 5/8" shaft 4 stroke engines
    • NBR diaphragms - Nylon body
    • Integrated pressure regulator
    Regular price £361.68 GBP
    Regular price Sale price £361.68 GBP
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  • Comet MC8 2 Diaphragm Pump
    Comet MC8 2 Diaphragm Pump
    Part No: 6126000100
    • 15 Bar max
    • 7.8 Lpm max
    • 1450 Rpm
    • 0.27 Hp, 0.20 kW
    • For 71 frame B3/B14 electric motor
    • NBR diaphragms - Nylon body
    • Integrated pressure regulator
    Regular price £244.82 GBP
    Regular price Sale price £244.82 GBP
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  • Comet P36/10 3 Diaphragm Pump
    Comet P36/10 3 Diaphragm Pump
    Part No: 6122000200
    • 10 Bar max
    • 35.4 Lpm max
    • 550 Rpm
    • 1.2 Hp, 0.9 kW
    • For 3/4" shaft 4 stroke engines
    • Viton diaphragms
    • Polypropylene & st.steel construction
    Regular price £1,078.40 GBP
    Regular price Sale price £1,078.40 GBP
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  • Comet APS31 3 Diaphragm Pump
    Comet APS31 3 Diaphragm Pump
    Part No: 6115000100
    • 40 Bar max
    • 28 Lpm max
    • 550 Rpm
    • 2.7 Hp, 2.0 kW
    • 6 hole flange for stub shaft
    • NBR diaphragms
    • Pump feet supplied
    Regular price £438.25 GBP
    Regular price Sale price £438.25 GBP
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  • Comet APS41 3 Diaphragm Pump
    Comet APS41 3 Diaphragm Pump
    Part No: 6114000100
    • 40 Bar max
    • 41 Lpm max
    • 550 Rpm
    • 4.1 Hp, 3.0 kW
    • 6 hole flange
    • Anodised aluminium head
    • NBR diaphragms
    Regular price £455.00 GBP
    Regular price Sale price £455.00 GBP
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  • Comet BP280K 6 Diaphragm Pump
    Comet BP280K 6 Diaphragm Pump
    Part No: 6111000100
    • 20 Bar max
    • 265 Lpm max
    • 550 Rpm
    • 13.3 Hp, 9.8 kW
    • 1"3/8M splined x 30mm thru shaft
    • NBR diaphragms
    • Pump feet supplied
    Regular price £1,396.60 GBP
    Regular price Sale price £1,396.60 GBP
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  • Comet BP171K 4 Diaphragm Pump
    Comet BP171K 4 Diaphragm Pump
    Part No: 6109000100
    • 20 Bar max
    • 168 Lpm max
    • 550 Rpm
    • 9.6 Hp, 7.0 kW
    • 1"3/8M splined x 30mm thru shaft
    • NBR diaphragms
    • With pressure accumulator
    Regular price £1,147.17 GBP
    Regular price Sale price £1,147.17 GBP
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  • Comet BP235K 6 Diaphragm Pump
    Comet BP235K 6 Diaphragm Pump
    Part No: 6105003300
    • 20 Bar max
    • 226 Lpm max
    • 550 Rpm
    • 11.7 Hp, 8.6 kW
    • 1"3/8M splined x 30mm thru shaft
    • NBR diaphragms
    • Pump feet supplied
    Regular price £1,362.33 GBP
    Regular price Sale price £1,362.33 GBP
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  • Comet BP205K 6 Diaphragm Pump
    Comet BP205K 6 Diaphragm Pump
    Part No: 6104100100
    • 20 Bar max
    • 197 Lpm max
    • 550 Rpm
    • 10.2 Hp, 7.5 kW
    • 1"3/8M splined x 30mm thru shaft
    • NBR diaphragms
    • Pump feet supplied
    Regular price £1,350.91 GBP
    Regular price Sale price £1,350.91 GBP
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  • Comet BP151K 4 Diaphragm Pump
    Comet BP151K 4 Diaphragm Pump
    Part No: 6103100100
    • 20 Bar max
    • 142 Lpm max
    • 550 Rpm
    • 7.8 Hp, 5.7 kW
    • 1"3/8M splined x 30mm thru shaft
    • NBR diaphragms
    • With pressure accumulator
    Regular price £1,048.17 GBP
    Regular price Sale price £1,048.17 GBP
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  • Comet BP105K 3 Diaphragm Pump
    Comet BP105K 3 Diaphragm Pump
    Part No: 6102100200
    • 20 Bar max
    • 107 Lpm max
    • 550 Rpm
    • 5.5 Hp, 4.0 kW
    • 30mm male shaft
    • NBR diaphragms
    • With pressure accumulator
    Regular price £654.92 GBP
    Regular price Sale price £654.92 GBP
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  • Comet BP105K 3 Diaphragm Pump
    Comet BP105K 3 Diaphragm Pump
    Part No: 6102100100
    • 20 Bar max
    • 107 Lpm max
    • 550 Rpm
    • 5.5 Hp, 4.0 kW
    • 1"3/8 male 6 spline shaft
    • NBR diaphragms
    • With pressure accumulator
    Regular price £629.31 GBP
    Regular price Sale price £629.31 GBP
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  • Comet BP60K 2 Diaphragm Pump
    Comet BP60K 2 Diaphragm Pump
    Part No: 6101101400
    • 20 Bar max
    • 65 Lpm max
    • 550 Rpm
    • 5.5 Hp, 4.0 kW
    • For use with motor or engine gearbox
    • NBR diaphragms
    • With pressure accumulator
    Regular price £462.88 GBP
    Regular price Sale price £462.88 GBP
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  • Comet BP60K 2 Diaphragm Pump
    Comet BP60K 2 Diaphragm Pump
    Part No: 6101100200
    • 20 Bar max
    • 65 Lpm max
    • 550 Rpm
    • 3.3 Hp, 2.4 kW
    • 30mm male shaft
    • NBR diaphragms
    • With pressure accumulator
    Regular price £462.88 GBP
    Regular price Sale price £462.88 GBP
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  • Comet BP60K 2 Diaphragm Pump
    Comet BP60K 2 Diaphragm Pump
    Part No: 6101100100
    • 20 Bar max
    • 65 Lpm max
    • 550 Rpm
    • 3.3 Hp, 2.4 kW
    • 1"3/8 male 6 spline shaft
    • NBR diaphragms
    • With pressure accumulator
    Regular price £445.15 GBP
    Regular price Sale price £445.15 GBP
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  • Comet BP125K 3 Diaphragm Pump
    Comet BP125K 3 Diaphragm Pump
    Part No: 6100000200
    • 20 Bar max
    • 121 Lpm max
    • 550 Rpm
    • 6.8 Hp, 5.0 kW
    • 30mm male shaft
    • NBR diaphragms
    • With pressure accumulator
    Regular price £652.95 GBP
    Regular price Sale price £652.95 GBP
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  • Comet BP125K 3 Diaphragm Pump
    Comet BP125K 3 Diaphragm Pump
    Part No: 6100000100
    • 20 Bar max
    • 121 Lpm max
    • 550 Rpm
    • 6.8 Hp, 5.0 kW
    • 1"3/8 male 6 splined shaft
    • NBR diaphragms
    • With pressure accumulator
    Regular price £679.54 GBP
    Regular price Sale price £679.54 GBP
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  • Comet APS166 5 Diaphragm Pump
    Comet APS166 5 Diaphragm Pump
    Part No: 6097000600
    • 50 Bar max
    • 169 Lpm max
    • 550 Rpm
    • 20.5 Hp, 18.4 kW
    • 1"3/8M x 1"3/8M 6 splined thru shaft
    • NBR diaphragms
    • With safety valve
    Regular price £1,856.22 GBP
    Regular price Sale price £1,856.22 GBP
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  • Comet APS141 5 Diaphragm Pump
    Comet APS141 5 Diaphragm Pump
    Part No: 6096000500
    • 50 Bar max
    • 145 Lpm max
    • 550 Rpm
    • 17.8 Hp, 13.1 kW
    • 1"3/8M x 1"3/8M 6 splined thru shaft
    • NBR diaphragms
    • With safety valve
    Regular price £1,649.83 GBP
    Regular price Sale price £1,649.83 GBP
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