Top drive floating cushion sub is an important tool in drilling operation.It is suit to the drilling process in oil,gas and geological exploration.Mainly used in inclined and vertical drilling operation and drilling rig vertical drilling operation.It can increase the service life of bearing and gear in top drive rotary box.
| Model | Lifting Load | Stroke | Seal Pressure | Working Torque | Weight | Connection |
| Ton | mm (inch) | MPa(PSI | KNm(lbf ft) | KG | ||
| HCJT150 | 150 | 76(3) | 35(5,000) | 30(22,000) | 310 | 6-5/8 REG B×P |
| HCJT180 | 180 | 76(3) | 35(5,000) | 50(37,000) | 440 | 6-5/8 REG B×P |
| HCJT250 | 250 | 76(3) | 35(5.000) | 50(37,000 | 380 | 6-5/8 REG B×P |
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