| Model No. | Required HP | M3/hr | Vaccum in mm/hg | Pressure in bar | RPM |
|---|---|---|---|---|---|
| ST-21 | 3 HP | 100 | 1600 | 1.5 | 1350 |
| ST-22 | .5 HP | 150 | 2500 | 1.5 | 1350 |
| ST-23 | 7.5/125 HP | 220 | 3600 | 1.5 | 1350 |
| ST-26 | 12.5/15 HP | 400 | 6600 | 1.5 | 1350 |
| ST-84 | 15/18 ½HP | 540 | 9000 | 1.5 | 1350 |
| ST-106 | 24 HP | 640 | 9000 | 1.5 | 1350 |
| ST-45 | 12.5 HP | 400 | 6600 | 1.5 | 1350 |
