| 型 式 | 馬 力 | 轉 速 | 排 氣 速 度(m3/min) | 口 徑 | 液封水量 | |||
| (Hp) | (rpm) | -720mmHg | -695mmHg | -670mmHg | -650mmHg | (in) | (L/min) | |
| (40Torr) | (65Torr) | (90Torr) | (110Torr) | |||||
| SWV-15 | 10 | 1450 | 4.4 | 4.7 | 4.9 | 5.1 | 2 | 40 |
| 15 | 1750 | 4.5 | 5.5 | 5.6 | 5.8 | |||
| SWV-20 | 15 | 1450 | 4.8 | 5.8 | 6.6 | 6.8 | 2 | 40 |
| 20 | 1750 | 5.6 | 6.7 | 7.4 | 7.5 | |||
| SWV-25 | 20 | 1450 | 6 | 7.1 | 7.6 | 7.9 | 2 | 50 |
| 25 | 1750 | 7 | 8.2 | 9.1 | 9.3 | |||