ModelZQ203-125钻杆钳-YanchengZQ203-125powertong
ZQ203/125型钻杆钳主要用于油田钻井作业中上卸钻杆、钻铤，具有以下特点：
换挡及背钳夹紧采用压缩空气；
采用牙嵌或气胎离合器，
旋扣钳和扭矩钳一体结构；
可配备液压提升缸；
可不停车换挡。
The drill pipe tong is used to make up and break out for drill pipe operation in oil fields. The tongs have the following features:
Using pneumatic power to shift and drive backup tong.
It is an integral mechanism made by spinner and torque tong.
With optional hydraulic lifter.
Can Change gear during operation.
1 适应范围 Application range 127～203 mm 31/2"～51/2"钻杆Drill pipe、8"钻铤Drill collar
2 *大高档扭矩 Max. High Gear Torque 8700 N.m(6410 ft-lbs.)
3 *大低档扭矩 Max. Low Gear Torque 125000 N.m(92190 ft-lbs.)
4 高档转速High Gear Speed 33 r/min@ 120 LPM
5 低档转速 Low Gear Speed 2.2 r/min@ 120 LPM
6 *大系统压力 Max.Operation Pressure 18 MPa(2610 psi)
7 工作气压 Working Pneumatic Pressure 0.6～0.9 MPa
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