Welch

Welch has provided quality vacuum pumps for laboratory, industrial and
educational applications for over a century. Today, Welch is a leading
manufacturer of vacuum pump products for chemical and biological
laboratories, high vacuum manufacturing, and air conditioning/refrigeration.

The Welch product line includes oil lubricated rotary vane vacuum pumps; dry piston and diaphragm vacuum pumps,
and specialized vacuum systems, components, and applications.

Welch Vacuum Pumps