Used Edwards model EH4200 vacuum booster pump. Rated 4140 M3/hr (2440 CFM) at 50 hz and 2900 rpm. 1000mbar continuous operating pressure. Pressure differential across pump 0-60 mbar. Direct driven by a 7.5 kW 415 volt 3/50 2890 rpm motor.
| Capacity | 2,440 ft³/min. | 69,093 L/min. |
| Motor Power | 10.1 hp | 7.5 kW |
| Speed | 2900 | 2900 |