文档介绍：ThePiston-typeSteampressurereducingvalveInstructionmanualConfigurations:16Adjustingscrew5Mainvalve11Secondaryvalve17Topcap6Piston12SecondaryvalveseatMainperformanceanduses:Y43Hisprincipallyusedinsteampipe,itcanreducetheinletpressuretoacertainoutletpressureyouneedbyadjustingthespring,whentheflowandthepressureoftheinletvaries,theoutletpressurecanalsoremainwithinacertainrangebythestrengthofthemediumitself,:DN(LB)Pressuretest(MPa)Pressure-adjustrange(MPa)ApplicableTemperature℃~≤±≤250Workingprincipal:Whenthepressurereducingvalveleavesthefactory,pressedstate,,youcanturntheadjustingscrewclockwise;presstheadjustingspring,movethediaphragmdownandthenopenthesecondaryvalvedisc,themediumalsoentersabovethemainvalveseatthrough“a”holeto“b”hole,makethemainvalvediscopenandthenentersunderthediaphragmthrough“c”,pressesadjustingspring,losesslowly,becausetheflowreduces,thedownstreampressuregetanewbalance,ontheotherhand,whenthedownstreampressureislessthanthesetpressure,:Cleanthevalveandthepipelineandremoveth