The CRVpro family of direct drive rotary vane vacuum pumps is engineered for enhanced reliability, longer service intervals, and greater energy efficiency. These pumps consume up to 36% less oil than comparable models, making them both cost-effective and environmentally friendly.
Key Benefits:
-
Cooler Operation: The CRVpro runs 10°C cooler than comparable pumps, reducing the risk of overheating and corrosion.
-
Larger Oil Capacity: With a 40% larger oil capacity, the pump effectively dilutes aggressive chemicals, prolonging pump life.
-
Chemical-Resistant Coating: The oil case and pump module are coated with a chemical-resistant layer, safeguarding non-moving parts from wear and chemical exposure.
-
Advanced Features: The CRVpro family includes essential features such as gas ballast, forced oil lubrication, anti-suckback mechanism, and thermal overload protection for reliable, continuous performance.
Applications:
The CRVpro 48 & 65 vacuum pumps are versatile and can be used for a wide range of applications, including:
- Freeze Drying
- Vacuum Ovens
- HVAC/Refrigeration Service
- Coating Systems
- Backing Diffusion Pumps
- Wiped Film Evaporation
- Metallurgy/Vacuum Furnaces
- Lamp Manufacturing
- Space Simulation
- Degassing
- Vessel/Chamber Evacuation
Additionally, CRVpro vacuum pumps can be prepared with perfluoropolyether (PFPE) for oxygen service, and explosion-proof motors are available for hazardous environments. For more details on these specialized options, please contact your local Welch sales representative.
Electrical Specifications:
-
Model 3657T-01: Operates at 230-240V/380-420V (+/- 5%) at 50 Hz, or 240-265V/415-460V (+/- 5%) at 60 Hz.
-
Installation: Installation must be performed by a certified electrician. Conduit wiring is required, and no switch is included.
Included Accessories:
- Two NW40 Hinge Clamps
- Two NW40 Centering Rings
- 5 L of Welch Premium Oil
For further information and assistance, contact your local Welch sales representative to ensure the right CRVpro vacuum pump model is selected for your application.