Edwards RV series are two-stage, direct drive, oil-lubricated, rotary vane pumps which are dual mode. Adjustment of a single control allows the pumps to be set for:
— High vacuum mode with ultimate vacuum up to 2x10–3mbar
— High throughput mode to handle inlet pressures up to 80mbar
General specifications:
- Two levels of gas ballast
- Improved water vapour handling capability
- Suck back protection
- Quiet running
- Sight-glass to check oil level
- Dual voltage and frequency
Performance data:
| Model | RV5 | |
| Ultimate vacuum, high vacuum mode high throughput mode | x 10-3 mbar x 10-2 mbar | 2 3 |
| Displacement at 50Hz at 60Hz | m3 per hour m3 per hour | 5.1 6.2 |
| Maximum water vapour inlet pressure | mbar | 50 |
| Maximum water vapour pumping rate | kg per hour | 0.22 |
| Inlet and outlet connections | NW25 | |
| Oil capacity | litres | 0.7 |
| Recommended oil | Ultragrade 19 | |
| Overall height width depth | mm mm mm | 225 158 429 |
| Weight | kg | 22 |
Note: 1mbar = 0.75torr = 0.75mm Hg.
With direct drive motor and oil charge. For 100-120V and 220-240V 50/60Hz single phase supplies. Supplied without mains lead.