BP Series

Piston Motor Pumps

The BP Series are our largest piston motor pumps with maximum flow rates of 1027 L/H and pressures to a maximum of 25 bar. BP pumps are fitted with either PVC or AISI 316l pump heads as standard with either double or single ceramic ball valves.

Product Info

  • Long life reliable Piston Driven Diaphragm pump
  • Flow rates up to 1027 L/H
  • Operating pressures up to 25 Bar
  • Up to 120 Strokes per minute
  • Single or three phase motors
  • Available without motor
  • Available with 4-20 mA Control
  • Available with self-ventilated motors suitable for inverter control
  • Available with ATEX rated motor


CodeFlow Rate (L/H)Pressure (Bar)Strokes per MinuteMotor Power (Kw)Valve Size
AISI Pump HeadPP Pump Head
50 Hz60 Hz50 Hz60 Hz50 Hz60 Hz50 Hz60 Hz
BP0014**0000014172525--60720.251/2" GM
BP0024**0000024292525--1031220.251/2" GM
BP0029**0000029-25---120-0.251/2" GM
BP0034**0000034412020101060720.251/2" GM
BP0052**0000052632020101060720.251/2" GM
BP0066**000006678201810101031220.251/2" GM
BP0088**0000088106201810101031220.251/2" GM
BP0103**00000103-18-10-120-0.251/2" GM
BP0083**0000083100129.5109.560720.253/4" GM
BP0128**00000128153129.5109.560720.253/4" GM
BP0158**0000015818897.597.51031220.253/4" GM
BP0220**0000022026097.597.51031220.253/4" GM
BP0256**00000256-7.5-7.5-120-0.253/4" GM
BP0163**00000163196656560720.251" GM
BP0251**00000251302656560720.251" GM
BP0312**000003123744." GM
BP0431**000004315124." GM
BP0503**00000503-3.5-3.5-120-0.251" GM
BP0083**00600831001814.5101060720.373/4" GM
BP0128**006001281531814.5101060720.373/4" GM
BP0158**00600158188161310101031220.373/4" GM
BP0220**00600220260161310101031220.373/4" GM
BP0256**00600256-13-10-120-0.373/4" GM
BP0163**0060016319697.597.560720.371" GM
BP0251**0060025130297.597.560720.371" GM
BP0312**0060031237475.575.51031220.371" GM
BP0431**0060043151275.575.51031220.371" GM
BP0503**00600503-6-6-120-0.371" GM
BP0251**00700251302119.5109.560720.551/2" GM
BP0431**0070043151298981031220.551/2" GM
BP0503**00700503-8-8-120-0.551/2" GM
BP0513**007005136145. 1/2" GM
BP0838**00700838100443431031220.551 1/2" GM
BP1027**007001027-3-3-120-0.551 1/2" GM
BP0251**009002513021917.5101060720.751/2" GM
BP0431**0090043151216.514.510101031220.751/2" GM
BP0503**00900503-14.5-10-120-0.751/2" GM
BP0513**009005136141210101060720.751 1/2" GM
BP0838**00900838100486.586.51031220.751 1/2" GM
BP1027**009001027-6.5-6.5-120-0.751 1/2" GM


  • BP Piston Motor Pump

    • Flow rates up to 1027 L/H (50 Hz version)
    • Pressure up to 25 Bar
    • Single or Three Phase
    • Pump Head available in PVC, AISI or PVDF
    • Available with ATEX rated motor
  • Technical Specification

    • ½” to 1½” Gm valves
    • Single or double ball check valves
    • Manufactured in accordance with CE regulations
    • Die-cast aluminium housing protected by epoxy/anti-acid paint
    • Adjustable Stroke Length from 10%-100%
    • Standard motors are “TEFC”, 3 phase: 0.25 Kw – 0.37 Kw – 0.55Kw -0.75 Kw; 1400 rpm, Isolation Class F
    • Protection rating IP55
    • Standard power supply: 230/400 Vac, Three phase, 50/60 Hz
    • Power supply options: 230 Vac, Single-phase motors, 50/60 Hz; 110 Vac, Single-phase, 50/60 Hz
  • Options


    • Servo motor mechanism which accepts 4-20mA input to remotely control stroke length
    • Self-ventilated motors for 4-20 mA control (via an inverter)


    • Pump Head: AISI 316L or PVC; Also available in PVDF or PTFE
    • Diaphragm: NBR, FPM or EPDM
    • Seals: NBR, FPM or EPDM