2 3/8" to 8"
The hydraulic power is only used to the hydraulic motor. All other mechanisms are operated with pressurized air as power.
The upper tongs head can float in any direction and the low tongs are installed in the case body.
Shift of high and low speed with clutch without need to stop.
The open throat of the gear can automatically restore its position and align with the door of the tongs.
An air cylinder is available to shift the tong onto or off the well head without the heed of pulling or pushing the tongs by manpower.
The suspensions hanger of the tongs is attached to one end of wire rope recede through a pulley block that is fixed on derrick; the tongs can be adjusted to any level by means of a hand hoist at an-other end of the wire rope.
The deformation of the tongs head is restricted by means of the automatic door of the tongs head at large torque (75 kN. m).
Drill Pipe Power Tong Built on API 7K.
drill pipes power tong
