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Extended Casing Manual Tong


  • Technical Features
  • Technical Parameters

Main Technical Features

● Casing tongs are used to tighten or unscrew casing and casing coupling threads in petroleum

drilling operations.

● Products are designed and manufactured according to API Speck 7K specifications for drilling

and well servicing equipments

ModelNo. of Hinge JawSize RangeRated Torque
inmm(kN•m)
13 3/8~25 1/29,813 3/8~141/2340~368.335
8,7
141/2~16368.3~406.4
8,9,916~ 171/2406.4~444.5
8,9,7171/2~19444.5~482.6
7,8,719~20482.6~508
9,8,9,720~211/2508~546.1
9,7,8,7211/2~23546.1~584.2
9,9,8,7,724~251/2609.6~647.7
9,8,7,7,7251/2~27647.7~685.8  
8,7,7,7,727~281/2685.8~723.9
9,9,8,7,7,8281/2~30723.9~762
9,7,7,7,7,8
30762
25 1/2-369,8,7,7,7251/2~27647.4~685.855
8,7,7,7,727~281/2685.8~723.9
9,9,7,7,7,8281/2~30723.9~762
9,7,7,7,7,830~315/8762~803.3
8,9,8,9,7,7,7311/2~33
311/2~33
7,9,8,9,9,7,8,933~341/2838.2~876.3
8,7,7,9,9,8,8,8341/2~36 
876.3~914.4


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