air Winch

API Spec 7K air Winches 1,QJ series air winches are powered by piston-type air motor.2,They have the advantages of compact structure, light weight, safe and easy to operate and they are used for general lifting, hauling and other works in mines, oil fields, on shipboards and etc.3,They are designed and manufactured according to API Spec 7K Specification for Drilling Equipment.Technical parameters:ModelQJ-0.5*QJL-0.5*QJ-1*QJ-3QJ-5**Air pressureMPa0.5-0.90.5-0.90.5-0.90.5-0.90.5-0.9psi72-13072-13072-13072-13072-130Max. pullkN55103050US ton0.550.551.13.35.5Max. rope speedm/min1212242035ft/min39.339.378.765.6114.8Rope diametermm881115.87515.875in5/165/167/165/85/8Rope capacitym1204010020070ft394131328656230Overall dimensionsmm675*343*460490*295*370740*397*5421530*745*9551254*900*989in27*14*1819*12*1529*16*2160*29*3850*36*40Weightkg11745162685418lb228993571412920Note: Models marked with * may be connected to Long-distance control device.Model marked with ** may be connected with Auto-brake device.