based upon the standard type of brake,this kind of brake separates the oil inlet chamber from gas inlet chamber.It is eccentric,guiding and three pistons instructure,This solves the oil and gas pollution problem of the brake.The pistons act very quickly when braking.The air pressure aid reset can be used after being pushen up through oil pressure.The residual pressure is removed and the pistons are reset.After the braking air pressure is removed, the pistons will reset automatically.Two sets of pilelines are needed.
new brake for hydro generator