产品说明结构特点与用途1.全关时手轮按顺时针方向旋转。2.可以安装在管道的任何位置上，介质从下往上流。3.不锈钢截止阀适用于各类腐蚀性介质的管道上，有良好的防腐性、足够的强度。4.合金钢截止阀适用于耐高温的蒸汽、油品管道上，具有耐高温特点。标准规范设计与制造：GB/T12235-1989结构长度：GB/T12221-1989压力-温度等级：GB/T9124-2000连接法兰：JB/T79-1994试验与检验：JB/T9092-1999壳体材料适用介质适用温度℃碳素钢（C）水、蒸汽、油品≤425铬镍不锈钢（P）硝酸类≤200铬镍钼不锈钢（R）醋酸类≤200铬钼钢（I）水、蒸汽、油品≤550零件名称材料阀体WCBZG1Cr5MoZG1Cr18Ni9TiZG1Cr18Ni12Mo2Ti阀瓣WCB1Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni12Mo2Ti阀盖WCB/25ZG1Cr5MoZG1Cr18Ni9TiZG1Cr18Ni12Mo2Ti阀杆2Cr131Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni12Mo2Ti填料柔性石墨阀杆螺母铝青铜手轮可锻铸铁公称压力PressureClass试验压力Testpressure壳体Shell密封（水）Seat(water)密封（气）Seat(Air)上密封（水）BackSeat(water)1.62.41.80.61.8公称压力1.6MPaDNLDD1D2bfZ-dHDOWeight101309060401424-141981204.7151309565451424-142201205.22015010575551424-142551407.12516011585651424-142751607.432180135100781624-182801808.540200145110851634-1830020012.5502301601251001634-1835824025652901801451201834-1837528032803101951601352038-18433280411003502151801552038-18502320581254002452101852238-18612360801504802802402102438-2367640010120060033529526526312-2382040018025065040535532030312-2596945044030075046041037530312-251142500648)