ZQ203/125型鉆桿動力鉗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。Thedrillpipetongisusedtomakeupandbreakoutfordrillpipeoperationinoilfields.Thetongshavethefollowingfeatures:?Usingpneumaticpowertoshiftanddrivebackuptong.?Itisanintegralmechanismmadebyspinnerandtorquetong.?Withoptionalhydrauliclifter.?CanChangegearduringoperation.1適應范圍Applicationrange127～203mm31/2"～51/2"鉆桿Drillpipe、8"鉆鋌Drillcollar2最大高檔扭矩Max.HighGearTorque8700N.m(6410ft-lbs.)3最大低檔扭矩Max.LowGearTorque125000N.m(92190ft-lbs.)4高檔轉速HighGearSpeed33r/min@120LPM5低檔轉速LowGearSpeed2.2r/min@120LPM6最大系統壓力Max.OperationPressure18MPa(2610psi)7工作氣壓WorkingPneumaticPressure0.6～0.9MPa8最大供油量Max.Flow120L/min(32gpm)9Dimension:L×W×H1750×1060×168010移運質量(含背鉗)Weight2500kg(5510lbs鹽城特達___ZQ203/125型鉆桿動力鉗