保温阀应用规范1、设计制造造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保温阀主要零件材质零件名称ZGICr18Ni9Tit系列ZG00Cr18Ni10系列ZG1Cr18Ni12M02Ti系列ZG00Cr17Ni14M02系列WCB系列阀体/阀盖ZG1Cr18Ni9TiZG00Cr18Ni10ZG1Cr18Ni12M02TiZG00Cr17Ni14M02WCB闸板ZG1Cr18Ni9TiZG00Cr18Ni10ZG1Cr18Ni12M02TiZG00Cr17Ni14M021Cr13阀杆1Cr18Ni9Ti00Cr18Ni101Cr18Ni12M02Ti00Cr17Ni14M021Cr13填料PTFE编织PTFE编织PTFE编织PTFE编织石墨垫片304＋PTFE304L＋PTFE316＋PTFE316L＋PTFE石墨＋304压盖ZG1Cr18Ni9TiZG00Cr18Ni10ZG1Cr18Ni12M02TiZG00Cr17Ni14M02系列WCB填料压环1Cr18Ni9Ti00Cr18Ni101Cr18Ni12M02Ti00Cr17Ni14M021Cr13螺栓1Cr17Ni21Cr17Ni21Cr17Ni21Cr17Ni235CrMoA螺母1Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni9Ti45保温阀1.6MPa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"保温阀2.5～4.0MPa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")