fire hose reel is composed of gate valve, input pipe, spoke, stand, rocker arm, ... and applicationJPS firefighting hose coil is composed of gate valve, input pipe, spoke, stand, rocker arm, hose ... outlet is connected to aφ6mm Rc1/2 ball valve as ejector.II. Main technical parametersRated working pressure ... resistance tester LK2678B 1 1.0 Acceptable Integral ball DZ-7 1 1.0 Acceptable Function test ...