Specifications
casing back-up tongs:1.API Spec. 7K.
ure:0.5-0.9mpa
casing back-up tongs
1.It conforms to API Spec. 7K.TB casing back-up tong is a patented product,used to perform casing operation by combining with casing power tong and can ensure connection quality and eliminate deformation of main tong under large torque.
2.The back-up tong features safety,reliability,labor-saving,and high efficiency.There are two control styles:pneumatic and hydraulic.
3.The back-up tong is supplied with torque sensor to measure precisely connection torque.
Model | TB194--16 | TB365-35 | TBH178-16S | TB365-35Y | |
Size range | mm | 120.6~194 | 127~365 | 140~178 | 127~365 |
in | 4~7coupling | 4 1/2~13 3/8coupling | 5 1/2~7 | 4 1/2~13 3/8coupling | |
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 | |
