美标截止阀和法兰截止阀是同属一个类型的阀门，关闭件是个阀瓣，阀杆绕阀体中心线作旋转来达到开启、关闭的一种阀门。闸阀在管路中主要用来做切断、分配和改变介质的流动方向。二片式球阀，三片式球阀,是近年来被广泛采用的一种新型阀门。2零部件主要材料编辑零件名称ZGICr18Ni9Tit系列ZG00Cr18Ni10系列ZG1Cr18Ni12M02Ti系列ZG00Cr17Ni14M02系列WCB系列阀体/阀盖ZGICr18Ni9TiZG00Cr18Ni10ZG1Cr18Ni12M02TiZG00Cr17Ni14M02WCB闸板ZGICr18Ni9TiZG00Cr18Ni10ZG1Cr18Ni12M02TiZG00Cr17Ni14M021Cr13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ZGICr18Ni9TiZG00Cr18Ni10ZG1Cr18Ni12M02TiZG00Cr17Ni14M02系列WCB填料压环1Cr18Ni9Ti00Cr18Ni101Cr18Ni12M02Ti00Cr17Ni14M021Cr13螺栓1Cr17Ni21Cr17Ni21Cr17Ni21Cr17Ni235CrMoA螺母1Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni9Ti45)