Diaphragm Pumps

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sera Diaphragm Pumps are leak-free oscillating displacement pumps designed for the dosing of volumes up to 4000 l/h.

Flow free mediums with:

  • aggressive
  • abrasive
  • viscous
  • radioactive
  • flammable
  • odorous
  • or toxic characteristics

  • Leakage free
  • Highest dosing accuracy
  • Dry run safety
  • High quality materials
  • Continuous operation with minimum maintenance
  • Long operating life
  • Easy to operate

A suitable material is available for each dosing medium!

Appropriate materials are selected for single or double valves, valve balls, valve seals and working diaphragms.

Three-phase drive motor

Available designs of the pump type R409.2:

Type - Flow capacity (at 50Hz)

R409.2-0,4 e - up to 0,4 l/ h
R409.2-0,8 e - up to 0,8 l/ h
R409.2-1,6 e - up to 1,6 l/ h
R409.2-2,4 e - up to 2,4 l/ h
R409.2-4,0 e - up to 4,0 l/ h
R409.2-7,0 e - up to 7,0 l/ h
R409.2-12 e - up to 12 l/ h
R409.2-18 e - up to 18 l/ h
R409.2-25 e - up to 25 l/ h
R409.2-50 e - up to 50 l/ h
R409.2-75 e - up to 75 l/ h
R409.2-90 e - up to 90 l/ h
R409.2-115 e - up to 115 l/ h
R409.2-140 e - up to 140 l/ h
R409.2-180 e - up to 180 l/ h
R409-2-250 e - up to 250 l/ h
R409.2-350 e up to 350 l/ h

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A suitable material is available for each dosing medium!

Appropriate materials are selected for single or double valves, valve balls, valve seals and working diaphragms.

Three-phase drive motor

Available designs of the pump type R410.2:

Type - Flow capacity (at 50Hz)

R410.2-200 e - up to 200 l/ h
R410.2-280 e - up to 280 l/ h
R410.2-450 e - up to 450 l/ h
R410.2-570 e - up to 570 l/ h
R410.2-700 e - up to 700 l/ h
R410.2-900 e - up to 900 l/ h
R410.2-1100 e - up to 1100 l/ h
R410.2-1450 e up to 1450 l/ h 

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