TQ508/70Y Casing Power Tongs TQ508/70Y Casing Power Tongs is a type of casing tongs which adopts the hydraulic drive, and widely used for making-up and breaking-out of 9 5/8～20pipe 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 tyre 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 TQ508/70Y Drive Mode Hydraulic Drive Applicable Casing Diameter mm 244.5～508 in 9 5/8～20 Normal Pressure MPa 12～18 psi 1740～2610 Rated Flow L/min 114 gpm 30 Max. Torque High gear KN·m 8.4～10.7 lbf·ft 6195～7890 Low gear KN·m 50～70 lbf·ft 36878～51629 Rotational Speed of Tongs Head High gear rpm 26～43.6 Low gear rpm 4～6.6 External Dimensions mm 2080×1280×760 in 82×50.4×30 Weight kg 1550 lb 3410 |
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