ZQ203/125型钻杆动力钳
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 高档扭矩 Max. High Gear Torque 8700 N.m(6410 ft-lbs.)
3 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 系统压力 Max.Operation Pressure 18 MPa(2610 psi)
7 工作气压 Working Pneumatic Pressure 0.6～0.9 MPa
8 供油量 Max. Flow 120 L/min(32 gpm)
9 Dimension: L×W×H 1750×1060×1680
10 移运质量(含背钳) Weight 2500 kg(5510 lbs

盐城特达|||ZQ203/125型钻杆动力钳