Electric Torque Wrenches

This 700N High Speed Railway Use Hydraulic Internal Combustion Railway Use Bolt Wrench is specially designed for High Speed Railway Working System by our engineers. With lighter weight, unique hydraulic oil dissipation system, 360°rotary joint, this bolt wrench can help to achieve desirable working results. Product Feature: 1.National pioneering fully hydraulic driven (won a national patent), hydraulic control system is used instead of traditional clutch. Output torque is accurate and constant, ensuring excellent operation quality and lower failure rate. 2.65 kg net weight of this machine is lighter than similar products at home and abroad. It's light and convenient for carrying on and off tracks. 3.Unique hydraulic oil cooling system makes it possible for the 8L oil tank to allow oil temperature be kept no higher than 70 degree under continuous operation. 4.Sleeve axis is always perpendicular to railway sleepers, ensuring quick and accurate alignment. The average working efficiency is 1.5 times that of double end wrench. 5.360 degree rotary joint is adopted between the main engine and the frame, which is suitable for operation on different directions such as main line, switch rail guiding curve and branch railway etc. 6.Standing operating machine with remote controlled hydraulic valve button does not require the operator to bend over to lock nuts and is in accordance with theories of Ergonomics. 7.Emergent and quick evacuation device is designed. Product Specification/Models: Model:YLB-700 Input power(hp):9 Tightening torque range(N.m):0-380 Max unscrewing torque(N.m) (instantaneous):700 No-load speed of working sleeve(r/min):0-122 Working speed(p/s):3 Net weight(Kg): 75 Application: It is used to tighten and loosen bolts on high speed railway tracks.

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