Description
Welch Explosion ProofĀ CRVpro4 Direct Drive Rotary Vane Vacuum PumpĀ
***Note: This item has a possible 1-2 week lead time depending on stock availability***
Product Details
Explosion Proof Motor 110-120V/208-240V 60Hz 1 Phase
The new CRVpro family of direct drive vacuum pumpsĀ 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. Three features drive these benefits:Ā
- Runs 10Ā°C cooler than comparable pumps. Slows corrosion.Ā
- Has a 40% larger oil capacity than comparable pumps. Dilutes aggressive chemicals.Ā
- Has a chemical resistant coating in the oil case and pump module. Protects non-moving parts.Ā
Suitable applications include freeze drying, degassing, vacuum ovens and concentrators.
Ā
3046E-01Ā comes with an explosion proof motor. Conduit wiring installation required. No cord, plug, or switch provided.Ā
Direct drive pumps are not recommended for filtration, aspiration, drying electrophoresis gels, or other applications requiring sustained operation above 30 torr.
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| Specifications | |
|---|---|
| Application | CRVpro4 |
| Free Air Displacement @ 60 Hz, cfm (L/min) | 2.8 (78) |
| Free Air Displacement @ 50 Hz, mĀ³/hr (L/min) | 4 (67) |
| Ultimate Pressure, torr (mbar) | 5x10ā»ā“ (4x10ā»ā“) |
| Noise Level, dBA | 50 |
| Motor Speed, RPM, @60Hz, @50Hz | 1740 (1450) |
| Motor Power, HP (kW) | 0.4 (0.5) |
| Oil Capacity, mL | 1150 |
| Connection Flanges | NW 16 |
| Inlet Hose Connection* | 5/8" to 3/4" |
| Weight, lbs (kg) | 46.3 (21) |
| Dimensions, LxWxH, in (mm) | 18.2x6.1x9.1 (463x157x230) |
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