Oil-Free Vacuum Pumps for Dry Vacuum Applications Needs

Welch provides a wide portfolio of dry vacuum pumps for a variety of lab, life science and industrial applications. Our experts are happy to help you with the right vacuum pump.


Oil-free vacuum pumps are the future of every lab and industrial work environment. These environmentally friendly products bring a range of benefits, such as clearer samples, cleaner workspace and reduced maintenance. We offer products from three positive displacement oil less pump technologies: Diaphragm pumps, WOB-L® piston pumps and a proprietary vacuum system.

Piston Pumps

Diaphragm Pumps

Chemstar Dry