FLOW CONTROLLING VALVE CAPABLE OF ENHANCING THE PRECISION ON CONTROL OF FLOW RATE AND STABLY CONTROLLING THE FLOW RATE OF FLUID

摘要

PURPOSE: A flow controlling valve is provided to control the flow rate of fluid doubly using a sleeve and a stem.;CONSTITUTION: A flow controlling valve comprises a valve body(20), a first valve seat(35), a second valve seat(49), a sleeve(52), a sleeve pressing spring(53), a diaphragm(55), a stem(64), and a stem pressing spring(65). The valve body comprises a first orifice(28), a second orifice(46) and a mounting hole. The first valve seat is arranged on a connecting fluid path. The second valve seat comprises a second orifice. The second valve seat is arranged on an outlet fluid path. The sleeve comprises a passage to guide fluid flowing into the connecting fluid path to a chamber. The sleeve is movably installed in the valve body.;COPYRIGHT KIPO 2012