The JQHSB50*12 double-braking air winch adopts compressed air as power to drive the TMH17 piston air motor, transferring torque to drum through the second gear reducer. By operating its manual diversion valve, the winch can perform hoisting, lowering and stop actions. Considering security, it is specially equipped with hand and foot double manual brakes. It is especially fit for mining, construction sites, platforms of oilfields off-sea and inland.
