Welch 22 CFM CRVPro 30 Direct Drive Rotary Vane Vacuum Pump

The CRVpro family of direct drive vacuum pumps offers enhanced performance and reliability compared to other rotary vane vacuum pumps, with key improvements that make it ideal for a range of applications.

Key Benefits:

• Runs 10°C Cooler: Operates significantly cooler than comparable pumps, which helps reduce corrosion and extend the pump’s lifespan.
• 40% Larger Oil Capacity: The increased oil capacity helps dilute aggressive chemicals and improves performance.
• Chemical-Resistant Coating: The oil case and pump module are coated to resist chemicals, protecting non-moving parts from damage.
• Advanced Features: Includes gas ballast, forced oil lubrication, anti-suckback mechanism, and thermal overload protection, ensuring the pump performs reliably across a variety of applications.

Suitable Applications:

• Freeze drying
• Degassing
• Vacuum ovens
• Concentrators

Technical Specifications:

• Model 3241-01:

  • Wired for North American 115V, 60Hz operation
  • Includes North American line cord, vacuum inlet hose barb (suitable for 5/8" to 3/4" ID gum rubber hose), and a charge of oil.

• Model 3242-01:

  • Wired for European 230V, 50Hz operation
  • Includes 230V North American line cord, UK cord, and skuko cord, along with a charge of oil.

Important Note:

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

For additional details, you can download the product brochure and user's manual to get comprehensive information about the CRVpro vacuum pump.