They are nine models of CRVpro available with free air displacement from 1.8 cfm to 52.5 cfm. Ultimate pressure to 2x10⁻³ torr. Three models of pumps with explosion proof motors, with free air displacements from 2.8 to 12.8 cfm, are available by clicking on the "Explosion Proof" tab below.
The benefits of CRVpro pumps are:
These benefits lead to extended service interval.
Depending on model, motor options include 1 Ph TEFC, 3 Ph TEFC, and 1 Ph ex proof motors.
CRVpro vacuum pumps can be used for freeze drying, vacuum ovens, concentrators, glove boxes, schlenk lines, HVAC/refrigeration service, coaters, backing diffusion pumps and turbo molecular pumps, short path, wiped film, metallurgy/vacuum furnaces, lamp manufacture, space simulation, degassing, vessel/chamber evacuation. CRVpro vacuum pumps prepared with perfluoropolyether (PFPE) for oxygen service are available. Contact your local Welch sales representative for details on PFPE prepared pumps and for selecting correct vacuum pump for your application.