Welch CRVpro 4 - NEW
| Weight | 46.30 lbs |
|---|---|
| Motor Power | 0.5 hp |
| Pumping Speed | 2.3 cfm |
| Ultimate Pressure | 2 x 10-3 Torr |
Welch Gardner Denver CRVpro 4 Two-Stage Rotary Vane Vacuum Pump - NEW
The robust vacuum pump CRVpro 4 belongs to the new high-performance two-stage rotary vane pumps generation of Welch. The pump impresses with its long service life, absolute reliability and its low maintenance requirements.
This has been enabled thanks to 3 major innovations:
- Its low running temperature, which slows down potential corrosion processes and reduces the oil consumption.
- Its large oil reservoir ensures a low chemical concentration, which contributes to the prolongation of the oil exchange intervals.
- Its special inside coating increases the chemical resistance of the pump.
Scope of delivery: Pump with motor, 3 line cords (EU/UK/US), 2 liters of oil, centering ring with dirt trap, centering ring, 2 clamping rings.
Motor Power (HP): 0.5
Ultimate Pressure (Torr): 5 x 10-2
Pumping Speed (cfm): 2.3
Questions? Please call our toll free number at 866-332-0500 or send an email to our sales team!
| Specifications | CRVpro 2 | CRVpro 4 | CRVpro 6 | CRVpro 8 | CRVpro 16 | CRVpro 24 | CRVpro 30 | |
|---|---|---|---|---|---|---|---|---|
| Pumping Speed | ||||||||
| 50 Hz m3/h (l/min) | 2.5 (41.7) | 4 (67) | 6 (100) | 8 (133) | 18.3 (305) | 26.2 (436) | 33.1 (551) | |
| 60 Hz cfm (l/min) | 1.8 (50) | 2.8 (78) | 4.2 (118) | 5.6 (158) | 12.8 (363) | 18.3 (519) | 22.1 (627) | |
| Free air displacement | ||||||||
| w/out partial gas ballast mbar (Torr) | 3 x 10-4 (2 x 10-4) | 5 x 10-4 (4 x 10-4) | 3 x 10-4 (2 x 10-4) | |||||
| w/out total gas ballast mbar (Torr) | 3 x 10-3 (2 x 10-3) | 2 x 10-3 (1.5 x 10-3) | 3 x 10-3 (2 x 10-3) | |||||
| w/ total gas ballast mbar (Torr) | 9 x 10-2 (7 x 10-2) | 7 x 10-2 (5 x 10-2) | 6 x 10-3 (5 x 10-3) | |||||
| Connection flanges | 16 NW | 25 NW | ||||||
Hose connection
Need modifications to this item? PTB Sales' expert team of engineers can configure products to your specific needs. Welch Gardner Denver CRVpro 4 Two-Stage Rotary Vane Vacuum Pump - NEW 304101 / 3041-01 115V 60Hz single-phase w/ hose barb & flange adapter 304201 / 3042-01 230V, hose barb and flange adapter, IEC 304200 / 3042-00 230V, standard 304300 / 3043-00 230V, CN plug 3047T01 / 3047T-01 208-230/460V 50/60Hz 3-phase 3046E01 / 3046E-01 115/208-230V 60Hz 1-phase w/ explosion proof motor 3049E01 / 3049E-01 110/220V 50Hz w/ explosion proof motor
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