| Model No. | HP | Display LPM | Vacuum MM/HG | OIL |
| JHV2-50 | 1/4 | 50 | 0.005 | 1 |
| JHV2-100 | 1/4 | 100 | 0.005 | 1.5 |
| JHV2-200 | 1/2 | 200 | 0.005 | 2 |
| JHV2-325 | 1 | 325 | 0.005 | 3 |
| JHV2-600 | 2 | 600 | 0.005 | 5 |
| Model No. | HP | Display LPM | Vacuum MM/HG | OIL |
| JHV1-50 | 1/4 | 50 | 760 | 1 |
| JHV1-100 | 1/4 | 100 | 760 | 1.5 |
| JHV1-200 | 1/2 | 200 | 760 | 2 |
| JHV1-325 | 1 | 325 | 760 | 3 |
| JHV1-600 | 1*1/2 | 600 | 760 | 5 |
