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CIRCOR Pump Technology is one of the world''s leading providers of screw pumps, centrifugal pumps, progressing cavity pumps and related products. Users who choose products from the Colfax Corporation receive innovative solutions to all the requirements associated with handling liquids. Companies that belong to the CIRCOR Pump Technology are:ALLWEILER, Houttuin, Imo Pump, Imo AB, Warren Pumps, Zenith Pumps and Portland Valve.



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The ALLWEILER Service-Portal gives our partners and customers around-the-clock access to important technical information.
At the ALLWEILER Service-Portal you will find:

  • Technical documentation
  • Brochures
  • Operating instructions
  • 2D and 3D CAD files and much more