Characteristics:
? The jaw plate of the tong head divided connect with die seat and needn’t to change any part during making up or breaking out the different tubes.
? Four-gear rotation is adopted for large speed regulation range. And the rated torque is large;
? The braking mechanism set above the tong head cover. It’s convenient for adjustment and maintenance.
? The new hydraulic backup tong and the master tong form a combined tong, operate the control valve on the master tong, the backup tong will automatically clip or simultaneously loosen the tube pillar.
? Adjust the oil supply pressure, users can obtain the best make-up torque of various kinds oil tube.
? Users can equip hydraulic suspension according to needs, the suspension valve compactly contact with hand control valve, so it is easy to control.
? Users can equip torque control system according to needs, which can accuracy control make-up torque.
