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Power Tong TB365-35 casing back-up tong
TB casing back-up tong is a patented product, used to perform casing operation by combined with casing power tong and can ensure connection quality and eliminate deformation of main tong under large torque. The back-up tong features safety, reliability, labor-saving, and high efficiency.
There are two control styles: pneumatic and hydraulic. The back-up tong is supplied with a torque sensor to measure precisely connection torque. The tong is designed and manufactured according to Industrial standard SY/T5074 and API Spec 7K “Specification for Drilling Equipment”.
| Model | TB194--16 | TB365-35 | TBH178-16S | TB365-35Y | |
| Size range | mm | 120.6～194 | 127～365 | 140～178 | 127～365 |
| in | 4～7coupling | 41/2～133/8coupling | 51/2～7 | 41/2～133/8coupling | |
| Air pressure | MPa | 0.5～0.9 | 0.5～0.9 | 0.5～0.9 | — |
| psi | 72～130 | 72～130 | 72～130 | ||
| Hydraulic pressure rating | MPa | — | — | — | 18 |
| psi | 2610 | ||||
| Max.bearing torque | kN.m | 16 | 35 | 16 | 35 |
| ft.lbf | 11800 | 25810 | 11800 | 25810 | |
| Size | mm | 1310×780×390 | 1510×945×405 | 1080×1080×350 | 1350×950×350 |
| in | 51.6×30.7×15.4 | 59.4×37.2×16 | 42.5×42.5×13.8 | 53.1×37.4×13.8 | |
| Weight | kg | 360 | 480 | 1320 | 520 |
| lb | 790 | 1060 | 2910 | 1140 | |