TQ series of hydraulic casing tongs are widely used for making-up or breaking-out of casings or pipes. The series of casing tong TQ series of hydraulic casing tongs are widely used for making-up or breaking-out of casings or pipes. The series of casing tongs are wholly hydraulic...

with torque table, matching torque control system, display, record and control torque deduction  Apply to the dumping of oilfield casing, operating efficiency, significantly reduce labour intensity, and can improve the quality of deduction. The clamp has the following...

Lord, matching clamp back, reversing valve can be manually manipulated simultaneous release clamping or string. Workover operations in the oil field is used to thread the unloading of a dedicated machinery, in the original XYQ3B hydraulic clamp force on the basis of further...