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DB/SB Manual Tongs Type
SB Manual TongsType Q86-324/75(33/8-123/4in) manual tong is an essential tool in oil drilling operation to fasten or remove the screws of drill pipe and casing joint or coupling.It can be adjusted by changing latch lug jaws and latch steps.
DB Manual TongsType Q31/2-17/90 manual tong is used for making up or breaking out the screws of drill tools and casing joint or coupling. It can be adjusted by changing lug jaws latch and latch steps.
Manual casing Tongs/SB/DB manual tong/casing tong
Manual Tongs are necessary tools applied to make up and break out pipes. Changing lug jaws and latch steps can adjust different handling sizes of the tongs. They are designed and manufactured according to API Spec 7K.
No. of Latch Lug Jaw | Latch step | Size Range | Rated Torque kN·m | ||||
in | mm | ||||||
5a | 1 | 33/8~41/8 | 85.7~104.8 | 55 | |||
2 | 41/8~51/4 | 104.8~133.3 | 75 | ||||
5b | 1 | 41/4~51/4 | 107.9~133.3 | ||||
2 | 5~53/4 | 127~146 | |||||
3 | 6~63/4 | 152.4~171.4 | |||||
5b1 | 1 | 51/4~53/4 | 133.3~146 | ||||
2 | 6~65/8 | 152.4~168.3 | |||||
3 | 63/4~8 | 171.4~203.2 | 55 | ||||
5c | 1 | 65/8~73/8 | 168.3~187.3 | 75 | |||
2 | 73/8~8 | 187.3~203.2 | |||||
3 | 81/2~85/8 | 215.9~219 | 55 | ||||
5d | 1 | 81/2~95/8 | 215.9~244.5 | ||||
2 | 105/8~103/4 | 269.9 v~273 | |||||
5e | 1 | 113/4 | 298.5 | ||||
2 | 123/4 | 323.8 | |||||
5e1 | 1 | 103/4 | 273 | ||||
2 | 113/4 | 298.5 | |||||
5e3 | 1 | 13~133/8 | 330.2~339.7 | ||||
