Used Busch vacuum pump. 300 cubic meter per hour. 117 CFM @ 0.5 torr. 175 cfm @ 0.1 mbar. 7.5 HP, 1500 rpm. With TMP press.
| Capacity | 207.9 ft³/min. | 5,887.5 L/min. |
| Motor Power | 7.5 hp | 5.6 kW |
| Vacuum Rating | 0.5 torr, 0.1 mbar | 0.5 torr, 0.1 mbar |
| Speed | 1500 | 1500 |