保温夹套直流式截止阀相关型号：BJ45H,BJ45W,BJ45Y,BJ45H-16C,BJ45W-16C,BJ45Y-16C等主要性能规范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）Mainexternalandconnectingdinensi***(mm)公称压力PN(MPa)NominalPressure公称通径DN(mm)NominalDiameter尺寸(mm)Dimensi***LDD1D2D3b1f0bD63-GZ-φdHH1D02.5mpa4.0mpa151701057555358416513/8250262120201901158565428416583/82923081402521013510078508418663/83403751603223014511085608418761/233837516040260160125100728420881/2360386160503001801451209484221101/24104502406534019516013510584221211/244048524080380230190160128114.5241501/2540600280100430270220188154114.5281761/2560625320125490300250218182114.5302041/2625737360150550330280248212114.5321/27207903606.4mpa25235160125825084221/234037516032260165125886084241/2358383160503002001601304261101/2410450240653402101701404301211/2485510240100430270220188154114.5361/26104704001004153002502184.5321501/2610670400)