Chemical Feed Solutions Ltd Chemical Feed

Peristaltic Pump DULCO®flex DF4a

The DULCO®flex DF4a peristaltic pump has been specifically developed for flocculant metering applications. It is used wherever flocculants needs to be added constantly and accurately to treated water.


  • Silent-running speed-variable stepper motor with drive shaft mounted in ball bearings
  • No mechanical gears means long service life
  • 100 % duty factor
  • Operating pressure up to 4 bar possible
  • Infinitely variable adjustment of metering rate from 1 to 100 %
  • Reproducible metering rates of 1.5, 6.0 and 12.0 l/h are shown on the display
  • Operating and hose hours counter
  • Intake function (continuous operation)
  • Level input (1-stage or 2-stage contact)
  • Hose break monitoring with alarm relay
  • Switchable output rate change, e.g. night reduction or increased output
PDF Click here to download the DULCO®flex DF4a brochure


Chemical Feed Solutions Ltd
6a Enterprise Drive Henderson Auckland

PO Box 104-055, Lincoln North, Waitakere 0654
Phone: 09-837-6075
Fax: 09-837-6075
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Master Electricians

Chemical Feed Solutions is a member of the Electrical Contractors Association of New Zealand