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Verlengde omhulsel handleiding Tong


  • tegniese eienskappe
  • Tegniese Parameters

Belangrikste tegniese kenmerke

● 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

model No. of Hinge Jaw Grootte reeks Gewaardeerde wringkrag
in mm (kN•m)
13 3/8~25 1/2 9,8 13 3/8~141/2 340 ~ 368.3 35
8,7
141/2 ~ 16 368.3 ~ 406.4
8,9,9 16~ 171/2 406.4 ~ 444.5
8,9,7 171/2 ~ 19 444.5 ~ 482.6
7,8,7 19 ~ 20 482.6 ~ 508
9,8,9,7 20 ~ 211 / 2 508 ~ 546.1
9,7,8,7 211/2 ~ 23 546.1 ~ 584.2
9,9,8,7,7 24 ~ 251 / 2 609.6 ~ 647.7
9,8,7,7,7 251/2 ~ 27 647.7 ~ 685.8  
8,7,7,7,7 27 ~ 281 / 2 685.8 ~ 723.9
9,9,8,7,7,8 281/2 ~ 30 723.9 ~ 762
9,7,7,7,7,8
30 762
25 1 / 2-36 9,8,7,7,7 251/2 ~ 27 647.4 ~ 685.8 55
8,7,7,7,7 27 ~ 281 / 2 685.8 ~ 723.9
9,9,7,7,7,8 281/2 ~ 30 723.9 ~ 762
9,7,7,7,7,8 30 ~ 315 / 8 762 ~ 803.3
8,9,8,9,7,7,7 311/2 ~ 33
311/2 ~ 33
7,9,8,9,9,7,8,9 33 ~ 341 / 2 838.2 ~ 876.3
8,7,7,9,9,8,8,8 341/2 ~ 36 
876.3 ~ 914.4


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