Chemical Resistant Diaphragm Pump

Welch provides state-of-the-art vacuum pumps for numerous applications in chemical and biological laboratories, as well as for high vacuum manufacturing, air-conditioning and refrigeration. 

As a global leader in vacuum technology, our customers include laboratories and equipment manufacturers around the world. In addition to our state-of-the-art products, our customers and business partners benefit from our exceptional service, valuable training, and efficient technical support. Our commitment to new technologies, highly qualified staff, and extensive testing in our in-house laboratories ensures that we meet all our customers’ requirements – both now and in the future.