Used Edwards model EH1200 vacuum booster pump. Rated 1195 M3/hr (715 CFM) at 50 hz and 2900 rpm. 1000mbar continuous operating pressure. Pressure differential across pump 0-90 mbar. Direct driven by a 3 kW 415 volt 3/50 2880 rpm motor.
| Capacity | 715 ft³/min. | 20,246.5 L/min. |
| Motor Power | 4 hp | 3 kW |
| Vacuum Rating | 1000 | 1000 |
| Speed | 2900 | 2900 |