Noiseless Pneumatic Torque Wrench(straight type)  6 bar compressed air,Website:http://www.dudemachinery.com, air consumption under max.power is: 580L/min;  Powerful and low noise, less than 80Dba under max.power;  Set and control torque by adjusting the pressure on air register;  Accuracy:±5%,repeatability: ±1%;  Optional digital air register, torque precision:3%, ±repeatability: 1%;  Compact planet design,small size, higher torque/weight ratio;  4-way type of power control system, large-span torque;  7-vane type high performance air motor, high efficiency, no impact  torque can be continually output;  Design of reverse pressure-bias motor provide the max.power and  torque in reversing mode, satisfying the request of higher torque when  loosing bolts;  Positive/reverse button by single hand, switch valve of TOUCH type;  Excellent performance of continuous running can meet high workload.ModelMin.torque      (Nm)Max.torque      (Nm)Square      CD      (mm)L      (mm)E      (mm)Weight      (Kg)Non-load      Speed(rpm)DTA-88S1208801''883651855.726.0DTA-138S18013801''883651855.816.0DTA-190S26019001''883651855.911.0DTA-250S39025001''883651857.89.0DTA-310S48031001-1/2''884201858.27.0DTA-360S52036001-1/2''884201858.45.0DTA-465S65046501-1/2''1284201858.54.0DTA-600S92060001-1/2''128450185154.0DTA-1050S1650105001-1/2''12848518517.22.0DTA-1250S2000125001-1/2''13049518518.31.5