DUO SEAL

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.

• Vacuum Pumps