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.

3.There are two control styles:pneumatic and hydraulic.

4.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