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Workover tongs
相关介绍
Workover tongs are tools for lifting and unloading drilling tools and pipe thread in workover and water well drilling or other drilling operations. The hanging pliers can change the fastening size by replacing the fastening pliers and the fastening steps. Applicable pipe diameter: 2.3/8-10.3/4in; torque value: 35kN.m; products are designed and manufactured according to API Spec 7K specifications.
| Fastening clamp number | Fastening pipe diameter range | Torque KN.m | |
| in | mm | ||
| 1# | 23/8-41/2 | 60.3-114.3 | 35 |
| 2# | 41/2-61/2 | 114.3-165.1 | |
| 3# | 61/2-85/8 | 165.1-219.1 | |
| 4# | 95/8-103/4 | 244.5-273.1 | |
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