TQ340/35 Casing Power Tongs TQ340/35 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″～13 3/8″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 under running and work high efficiently. The tongs are designed and manufactured according to API Spec 7K “Drilling and well serving Equipment”.
Model TQ340/35 Drive Mode hydraulic and pneumatic united drive mm 101.6～340 in 4～13 3/8 Rated 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 1844～2200 Mid Gear KN·m 6.0～7.5 lbf·ft 4420～5530 Low Gear KN·m ≥35 lbf·ft ≥25800 High Gear rpm 60～86 Mid Gear rpm 21～30 Low Gear rpm 2.6～5.3 External Dimensions mm 1540×900×860 in 61×36×34 Weight kg 780 lb 1720 |
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