TQ178/16 Casing Power Tongs TQ178/16 Casing Power Tongs is a type of casing tongs which adopts the hydraulic and pneumatic united drive, and it is widely used for making-up and breaking-out of 4″～7″pipe or casing in drilling operation of oil field. Open-throat design of the TQ casing tongs series allows the tongs to trip out of casing freely with high mobility. Planetary gearbox adopts air tube clutch, and it can shift gear without stopping the tongs and work high efficiently. The tongs are designed and manufactured according to API Spec 7K “Drilling and well serving Equipment”.
Model TQ178/16 Drive Mode hydraulic and pneumatic united drive Applicable Casing Diameter mm 101.6～178 in 4～7 Normal Pressure MPa 12～18 psi 1740～2610 Rated Flow L/min 114 gpm 30 Max. Torque High gear KN·m 2.5～3 lbf·ft 1840～2200 Low gear KN·m ≥16 lbf·ft ≥11800 Rotational Speed of Tongs Head High gear rpm 50～80 Low gear rpm 9～14 External Dimensions mm 1540×760×740 in 61×30×29 Weight kg 580 lb 1280 |
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