台湾317阀门华东地区上海佳裕阀门***：台湾317铸铁减压阀PR-3AS、台湾317减压阀(PR-3AS）CASTIRONPRESSUREREDUCINGVALVECLASS10K*PleasenamethemodelNo.（PR-3AS）whennegotiation.*Thread:BS21,ANSIB2.1orDIN-259.*Max.Temperature:220℃*TestPressure:Body20kgf/cm2（Hydrostatic）*PrimaryPressure:0.3kgf/cm2–10kgf/cm2Material:Model:PR-3ASBodyCapIRONBottomCoverIRONGasketASBESTOSDiaphragmST.ST.Seat/Disc/StemSTEELSpringST.ST.SpringSeatSTEELPackingPTFEAdjustScr.NutBRASSBoltSTEELPR-3AS减压阀尺寸规格：DIMENSIONmmSizeinch1/23/41mm152025L9393101H196196202)