JL-BJ45型保温截止阀应用规范：1、设计制造按GB12235-592、结构长度按GB12221-893、法兰尺寸按JB/T79-944、阀门检查和试验按GB13927结构:B.B;OS＆Y主要零件材质：零件名称ZG1Cr18Ni9Ti系列ZG00Cr18Ni10系列ZG1Cr18Ni12Mo2Ti系列ZG00Cr17Ni14Mo2系列WCB系列阀体/阀盖ZG1Cr18Ni9TiZG00Cr18Ni10ZG1Cr18Ni12Mo2TiZG00Cr17Ni14Mo2WCB闸板ZG1Cr18NI9TiZG00Cr18Ni10ZG1Cr18Ni12Mo2TiZG00Cr17Ni14Mo21Cr13阀杆1Cr18Ni9TiooCr18Ni101Cr18Ni12Mo2TiooCr17Ni14Mo21Cr13填料PTFE编织PTFE编织PTFE编织PTFE编织石墨垫片304L+PTFE304L+PTFE316L+PTFE316L+PTFE石墨+304压盖ZG1Cr181Ni10ZG00Cr18Ni10ZG1Cr18Ni12Mo2TiZG00Cr17Ni14Mo2WCB填料压环1Cr18Ni9Ti00Cr18Ni101Cr18Mi12Mo2Ti00Cr17Ni14Mo21Cr13螺栓1Cr171Ni21Cr171Ni21Cr171Ni21Cr171Ni235CrMoA螺母1Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni9Ti451.6MPa主要连接尺寸：尺寸DN1520253240506580100125150Lmm170190210230260300340380430490550Hmm250292340348360410440540560625720Wmm120140160160160240240280320360360Ginch3/8"3/8"3/8"1/2"1/2"1/2"1/2"1/2"1/2"1/2"1/2"2.5～4.0MPa主要连接尺寸及重量：尺寸DN1520253240506580100125150Lmm170190210230260300340380430490550Hmm250292340348360410440548560625720Wmm120140160160160240240280320360360Ginch3/8"3/8"3/8"1/2"1/2"1/2"1/2"1/2"1/2"1/2"1/2")