Used Edwards Model E2M40 2 stage vacuum pump. Unit rated 42.5m3/hour nominal displacement at 0.003mbar ultimate vacuum without gas ballast. Maximum 500mbar permitted pressure at outlet. Unit is driven by 1.1kw 220-240/380-415 volt 1410rpm 3/50 motor.
| Capacity | 25 ft³/min. | 707.9 L/min. |
| Motor Power | 0.8 hp | 0.6 kW |
| Vacuum Rating | 0.003 | 0.003 |
| Speed | 1410 | 1410 |