Welch 2034B-01

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