| Name | Suction Diameter | Discharge Diameter | Stages |
| OT 50-160 | 50 | 50 | 1150-2900 |
| OT 80-223 | 80 | 80 | 650-2150 |
| OT 100-248 | 100 | 100 | 650-1950 |
| OT 150-315 | 150 | 150 | 650-1550 |
| OT 200-375 | 200 | 200 | 650-1350 |
| OT 250-375 | 250 | 250 | 650-1450 |
| OT 300-457 | 300 | 300 | 650-1250 |
| Name | Suction Diameter | Discharge Diameter | Stages |
| OT 50-160 | 50 | 50 | 1150-2900 |
| OT 80-223 | 80 | 80 | 650-2150 |
| OT 100-248 | 100 | 100 | 650-1950 |
| OT 150-315 | 150 | 150 | 650-1550 |
| OT 200-375 | 200 | 200 | 650-1350 |
| OT 250-375 | 250 | 250 | 650-1450 |
| OT 300-457 | 300 | 300 | 650-1250 |