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TB365-35 CASING BACK-UP TONGS
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 deformaton of main tong under large torque. The back-up tong features safey, reliability, labor-saving and high efficiency. There are two control styles: penumatic and hydraulic. The back-up tong is supplied with a torque sensor to measure precisely the connection torque. The back-up tong is designed and manufactured according to industrial standard SY/T5074 API Spec 7K “Specification for Drilling Equipment”.
The picture shows the combincation of the casing tong with the backup tong. The following table is the specification for backup tong. Refer to TQ casing tong for the master tong.
|
Model |
TB194--16 |
TB365-35 |
TBH178-16S |
TB365-35Y |
|
|
Size range |
mm |
120.6～194 |
127～365 |
140～178 |
127～365 |
|
in |
4～7 coupling |
4 |
5 |
4 |
|
|
～13 |
～7 |
～13 |
|||
|
coupling |
|
coupling |
|||
|
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 |
||||
|
Maximum 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 |
|
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