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Clean operation (oil free), low cost of ownership, highest reliability – these are just a few benefits that customers can appreciate when they use a diaphragm pump for laboratory or industrial applications. With a broad range of diaphragm pumps – ultimate vacuum from 75 to 1 mbar and peak flow rates up to 138 l/min – Welch offers specific pump families and models for a variety of uses.


Diaphragm pumps work completely without oil which has several advantages for the user:

  • Less maintenance compared to other technologies saves time and money
  • Dry vacuum allows cleaner workplace and environment
  • Uncontaminated pumping of gases results in cleaner samples and no risk of oil back-streaming

Dryfast

BTpro

Self Cleaners

High Capacity

Explosion Proof Motor

en-UY