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ZQJ178 90 Drill Pipe Screwing Tong

ZQJ178 90 Drill Pipe Screwing Tong

ZQJ178/90 drill pipe screwing tong is designed and manufactured by Jiangsu Rushi Machinery Co., Ltd for coal bed methane drill rig. It is used to loosen/tighten joint of drill pipe in coal bed gas exploration and exploitation. Open throat design of tong head allows the tong to escape from drill pipe freely with high mobility. The tong is wholly hydraulic driven with large torque and reliable clamp. Forward-backward movement and upward-downward movement of the tong are driven via hydraulic cylinder, powerful and stable.

ModelZQJ178/90
Working flow, hydraulic systeml/min40~60
gal10.55~15.83
Working pressure, hydraulic systemMPa20.7
psi3000
Maximum breakout torquekN.m90
ft.lbf66372
Applicable rangemmφ114~φ178
in27/8~51/2
Overall dimensionsmm1890×1196×1502
in72.8×47.1×59.1
Weightkg1850
lb4078