Across International Welch 5.6 CFM CRVPro 8 Direct Drive Rotary Vane Vacuum Pump

Power Lab Supply 2SKU: CRVPro8201
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Accessory: Welch Standard Exhaust Filter Element 1417R
Delivery liftgate service: Please Select
Power option: 110V 60Hz
Sale price$4,030.08 USD

The new CRVpro family of direct drive vacuum pumps offers increased reliability and longer service interval vs. other direct drive rotary vane vacuum pumps. The CRVpro family consumes up to 36% less oil than comparable pumps.


  • Runs 10C cooler than comparable pumps. Slows corrosion.
  • Has a 40% larger oil capacity than comparable pumps. Dilutes aggressive chemicals.
  • Has a chemical resistant coating in the oil case and pump module. Protects non-moving parts.

The CRVpro family includes all the features you'd expect in a direct drive rotary vane pump: gas ballast, forced oil lubrication, anti-suckback mechanism and thermal overload protection. Suitable applications include freeze drying, degassing, vacuum ovens and concentrators.

  • 3081-01 is wired for North American 115V, 60Hz operation. Includes North American line cord, vacuum inlet hose barb suitable for gum rubber hose from 5/8" to 3/4" ID, and a charge of oil.
  • 3082-01 is wired for North American 230V, 60Hz operation. Includes 230V North American line cord, UK cord, and skuko cord, and a charge of oil.

Direct drive pumps are NOT recommended for filtration, aspiration, drying electrophoresis gels, or other applications requiring sustained operation above 30 torr.

Standard Packages
Standard package


 Part description


Part image

 Welch 5.6 CFM CRVPro 8 Direct Drive Rotary Vane Vacuum Pump
1 pc


 Power Cord 1 pc

 KF16 Clamp and Centering Ring 4 pc

 KF16 x Hose Barb Adapter 1 pc

 KF16 to KF25 adapter 1 pc 
 Premium Vacuum Pump Oil  (1L) 1 set

 User's manual
1 pc

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