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Welch CRVpro4 Direct Drive Rotary Vane Vacuum Pump
- 115V, 60Hz
- Free Air Displacement, CFM (lpm) 2.8 CFM, 78 l/min @ 60Hz
- Ultimate Vacuum Pressure (Torr) 4x10-4
- Oil Capacity, Liters 1L
- Includes NW16 to Hosebarb adaptors (5/8" to 3/4" ID) & 115V line cord
Extend Service Intervals through cooler running, larger oil capacity, and internal surface protection.
- Cool running–cooler running slow down corrosive chemistry in pump oil
- Extend service intervals
- Suitable applications include freeze drying, degassing, vacuum ovens and concentrators
- Large oil capacity: dilutes corrosive chemistry in pump oil
- Internal surface protection–oil case has PTFE coating; pump module has black oxide coating
- Extend pump maintenance intervals
- All the features you'd expect in a direct drive pump including–forced oil lubrication, anti-suck back valve, gas ballast