Big motor-driven diaphragm dosing pump

Double diaphragm dosing pumps of the MEMDOS GMR series can be supplied as single or duplex dosing pumps. The pumps are used to meter large quantities at relatively low back pressures. They are frequently used in waste-water treatment to meter pH-regulating chemicals or flocculents.



  • Double diaphragm dosing pump
  • Single or duplex dosing head pump
  • 2000 to 4000 l/h (single dosing head)
  • Medium side of EPDM separating diaphragm coated with PTFE
  • Single-ball valves
  • Drive: AC or DC motor
  • Stroke counter with inductive detector for charge-processes (optional)
  • Frequency converter controlling (optional)

Further product views

MEMDOS GMR 200030004000
Pressurebar 432
Pump capacityml/stroke 460690920
Driven by continuous control:
Flow ratel/h 310...2000460...3000620...4000
Stroke frequencymin-1 11...72
Driven with 2850 min-1:
Flow ratel/h 160024003200
Stroke frequencymin-1 58
Drive powerkW 2.2
Diaphragm-Ømm 212252
Stroke lengthmm 232632
Suction liftmbar 120
Max. temperature°C 40
Weight plastickg 145165
Weight stainl. 155195

Subject to technical changes


BW: Operation instruction
MB: Dimension sheet


We will be pleased to make you an offer.

Lutz-Jesco Middle East FZE
Office P6-16, P.O. Box 9614
SAIF-Free Zone Center
Phone: +971 6 5572205
Fax: + 971 6 5572230