产品名称：保温夹套直流式截止阀产品型号：BJ45H、BJ45W、BJ45Y、PN2.5、4.0产品详细介绍：主要性能规范ChiefPropertyAndSpecification型号Type公称压力PN（MPa）NominalPressure试验压力PS（MPa）TestPressure工作温度（℃）WorkingTemperature适用介质ApplicableMedium工作蒸汽压力WorksteamPressure壳体Shell密封SealBJ45（H.W.Y）-25P2.53.752.75≤200尿素、硝酸类Ureophil、NitricAcid≤1.3BJ45（H.W.Y）-40P4.06.04.4BJ45（H.W.Y）-64P6.49.06.6尿素、醋酸类Ureophil、AcetrcAcidBJ45（H.W.Y）-25R2.53.752.75BJ45（H.W.Y）-40R4.06.04.4BJ45（H.W.Y）-64R6.49.06.6主要零件材料Materialformainparts零件名称PatrName阀体、阀盖Body,Bonnet阀瓣Disc垫片SwatBJ45（H.W.Y）-25P、BJ45W-40P、BJ45W-64P铬镍钛阀Cr.Ni.TISteel铬镍钛阀+硬质合金Cr.Ni.TISteel+CarbideAlloy聚四氟乙烯PolytetrafluoroethyleneBJ45（H.W.Y）-25R、BJ45W-40R、BJ45W-64R铬镍钼钛阀Cr.Ni.Mo.TISteel铬镍钼钛阀+硬质合金Cr.Ni.Mo.TISteel+CarbideAlloy聚四氟乙烯Polytetrafluoroethylene主要外形尺寸和连接尺寸（mm）Mainexternalａndconnectingdinensions（mm）公称压力PN（MPa）NominalPressure公称通径DN（mm）NominalDiameter尺寸（mm）DimensionsLDD1D2D3b1f0bD63-GZ-φdHH1D02.54.0151701057555358416513/8250262120201901158565428416583/82923081402521013510078508418663/83403751603223014511085608418761/233837516040260160125100728420881/2360386160503001801451209484221101/24104502406534019516013510584221211/2