GARDNER DENVER THOMAS, INC., WELCH VACUUM TECHNOLOGY

5621 W. Howard St., Niles, IL 60714
847/676-8800 Fax 847/677-8606
E-mail welchvacuum@rtpumps.com


John Balamuta, Ph.D., Manager, Sales and Marketing
Scott Holtz, National Sales Manager
Bill Cheney, International Sales Manager

Web Site http://www.welchvacuum.com


Company Profile

The W.M. Welch Manufacturing Company sold its first vacuum pumps to teaching laboratories over 100 years ago. Since that time Welch vacuum pumps have become a standard feature in research laboratories and on vacuum production lines. Welch was once part of the Sargent-Welch Scientific Co. The business of Welch Vacuum Technology is providing our customers the products and expertise to address their application needs. As a business unit of Gardner Denver Thomas, Inc., Welch has the engineering and manufacturing capability to provide the industry’s most comprehensive line of small oil-sealed rotary vane high vacuum and dry vacuum pumps for laboratory, scientific OEM and industrial applications. We are product to introduce yearly many new innovative products to serve these application needs.


Product Lines


Products, Services and Markets

Welch vacuum pumps are found everywhere that mechanical vacuum pumps are used today. Some markets and industries that use Welch pumps are laboratory/research, electronics production, refrigeration, aerospace, and high energy physics.

Welch vacuum pumps are especially popular in chemical and life science research laboratories. They are widely used in laboratory bench work and in OEM applications. The Welch direct drive and belt-drive high vacuum pumps combine performance, user convenience, and ruggedness. They are designed for global use in analytical instruments as well as freeze dryers, vacuum concentrators and other lab appliances. Welch DRY PUMPS offer models for OEM applications as well as for gel drying, rotary evaporation, filtration and other sample modification techniques. Other Welch vacuum pumps provide a complete range of high vacuum solutions.


Company Key Products

Welch® direct drive vacuum pumps

CHEMSTAR® high vacuum pumps for corrosive gases

DUOSEAL® rugged high vacuum pumps for long lifetime

Self-Cleaning Dry Vacuum System™

WOB-L® Piston Dry Vacuum Pumps

DRYFAST® (oil-free) & DRYFAST ULTRA® pumps with PTFE construction for chemical resistance

Standard Duty Dry (oil-free) pumps using WOB-L® piston technology

DRYFAST ULTRA® (oil-free) 2Torr pumps and systems with PTFE construction for chemical resistance.

CAPTURE® refrigerant recovery pumps

House Vacuum Systems

Accessories – refrigerated cold traps, traps, gauges, tubing, hardware

Pump Oils