These Welch Directorr Vacuum Pumps offer steady, non-fluctuating vacuum to 0.4 µ Hg. Units operate at sound levels less than 60dBA and easily fit on most lab benches. Anti-suck-back valve protection ensures vacuum integrity. Pumps accept standard hose or ISO flange connectors.
Viton® O-rings and seals resist chemical attack; reliable seal design tolerates high-vapor loads. Modular doweled construction ensures continuous peak performance and easy maintenance. Made in USA.
Ideal for providing vacuum to centrifugal concentrators, vacuum ovens, freeze dryers, SEMs or transfer lines
Exceptionally quiet and portable
Specifications for Welch Vacuum Direct Drive High-Vacuum Pumps