Welch™ CRVpro2 Direct Drive Rotary Vane Vacuum Pump

Description

• Runs 10°C cooler than comparable pumps Slows corrosion Has 40% larger oil capacity than comparable pumps Dilutes aggressive chemicals Has chemical resistant coating in oil case and pump module Protects non-moving parts Ultimate pressure Without gas ballast partial: 5 x 10 −4 mbar (4 x 10 −4 Torr) Without gas ballast total: 2 x 10- −3 mbar (1.5 x 10 −3 Torr) With gas ballast total: 7 x 10 −2 mbar (5 x 10 −2 Torr)