ModelZQ203-125動力鉗
ZQ203/125型鉆桿鉗主要用于油田鉆井作業中上卸鉆桿、鉆鋌，具有以下特點：
?換擋及背鉗夾緊采用壓縮空氣；
?采用牙嵌或氣胎離合器，
?旋扣鉗和扭矩鉗一體結構；
?可配備液壓提升缸；
?可不停車換擋。
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  適應范圍 Application range  127～203 mm 31/2"～51/2"鉆桿Drill pipe、8"鉆鋌Drill collar
2  最大高檔扭矩 Max. High Gear Torque  8700 N.m(6410 ft-lbs.)
3  最大低檔扭矩 Max. Low Gear Torque  125000 N.m(92190 ft-lbs.)
4  高檔轉速High Gear Speed  33 r/min@ 120 LPM
5  低檔轉速 Low Gear Speed  2.2 r/min@ 120 LPM
6  最大系統壓力 Max.Operation Pressure  18 MPa(2610 psi)
7  工作氣壓 Working Pneumatic Pressure  0.6～0.9 MPa
8  最大供油量 Max. Flow  120 L/min(32 gpm)
9  Dimension: L×W×H  1750×1060×1680
10  移運質量(含背鉗) Weight  2500 kg(5510 lbs
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.

鹽城特達鉆采設備有限公司/ModelZQ203-125動力鉗