BD Series

Diaphragm Motor Pumps

The BD Series are our largest Diaphragm Motor Pumps with flow rates up to 535 L/H. Furthermore, BD Series pumps can be fitted with PVC, AISI or PVDF pump heads and with either double or single Ceramic Ball Valves.

Product Info

  • Long life reliable Motor Driven Diaphragm pump
  • Flow rates up to 535 L/H
  • Operating pressures up to 12 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
  • BD0257BA00000, BD0158BA00000 and BD0209BA00000


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
BD0056**0000056671211101060722.53/4" GM
BD0079**0000079951211101060722.53/4" GM
BD0113**000001131361081081031222.53/4" GM
BD0135**000001351621081081031222.53/4" GM
BD0158**00000158-8-8-120-2.53/4" GM
BD0104**000001041257.567.5660722.51" GM
BD0150**000001501807.567.5660722.51" GM
BD0209**0000020925165651031222.51" GM
BD0257**0000025730865651031222.51" GM
BD0300**00000300-5-5-120-2.51" GM
BD0188**000001882263.533.5360722.51" GM
BD0278**000002783343.533.5360722.51" GM
BD0420**000004205042.522.521031222.51" GM
BD0478**000004785742.522.521031222.51" GM
BD0535**00000535-2-2-120-2.51" GM
BD0188**0060018822643.543.560723.71" GM
BD0278**0060027833443.543.560723.71" GM
BD0420**0060042050432.532.51031223.71" GM
BD0478**0060047857432.532.51031223.71" GM
BD0535**00600535-2.5-2.5-120-3.71" GM


  • BD Diaphragm Motor Pump

    • Flow rates up to 535 L/H (50 Hz version)
    • Pressure up to 12 Bar
    • Single or Three Phase
    • Pump Head available in PVC, AISI or PVDF
    • Available with ATEX rated motor
  • Technical Specification

    • ¾” to 1” 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; 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