不锈钢截止阀阀门采用平面密封和锥面密封两种密封型式，可使用于不同工况的介质要求，具有密封性能稳定，使用寿命长。逆时针转动手轮驱使阀杆带动阀瓣及膈膜迅速上升，打开通道使介质顺利通过。
设计与制造标准： 1、设计制造按GB12235-89 2、结构长度按GB12221-89 3、法兰尺寸按JB/G79-94 4、阀门检查和试验按GB13927 性能规范
型号公称压力试验压力工作温度（℃）适用介质
强度（水）（Mpa）密封（水）空气（Mpa）低压密封空气（Mpa）
J41W-16P（R）1.62.41.80.6≤200NITRIC ACID
J41W-25P（R）2.53.82.80.6≤200硝酸类
ACETIC ACID
醋酸类
NITRIV ACID
硝酸类
J41W-40P（R）4.06.04.40.6≤200ACETIC ACID
J41W-64P（R）6.49.67.00.6≤200醋酸类
主要零件材质
零件名称ZG1Cr18Ni9TiZG00Cr18Ni10ZG1Cr18Ni12Mo2TiZG00Cr17Ni14Mo2WCB
阀体/阀盖ZG1Cr18Ni9TiZG00Cr18Ni10ZG1Cr18Ni12Mo2TiZG00Cr17Ni14Mo2WCB
阀瓣ZG1Cr18Ni9TiZG00Cr18Ni10ZG1Cr18Ni12Mo2TiZG00Cr17Ni14Mo21Cr13
阀杆ZG1Cr18Ni9Ti00Cr18Ni101Cr18Ni12Mo2Ti00Cr17Ni14Mo21Cr13
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ZG1Cr18Ni9TiZG00Cr18Ni10ZG1Cr18Ni12Mo2TiZG00Cr17Ni14Mo2WCB
填料压环1Cr18Ni9Ti00Cr18Ni101Cr18Ni12Mo2Ti00Cr17Ni14Mo21Cr13
螺栓1Cr17Ni21Cr17Ni21Cr17Ni21Cr17Ni235CrMoA
螺母1Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni9Ti45
不锈钢截止阀1.6MPa主要连接尺寸及重量
尺寸DN1520253240506580100125150200250300350400
Lmm130150160180200230290310350400480600650750850950
Hmm200243253280312321325355415460510700975111512501380
Wmm120140160160200200240240280320360560600700800900
重量kg56.5713.516324560801071342684496637501170
不锈钢截止阀2.5MPa主要连接尺寸及重量
尺寸DN1520253240506580100125150200250300350400
Lmm130150160180200230290310350400480600650750850950
Hmm200243253280312321325355415460510700975111512501380
Wmm120140160160200200240240280320360560600700800900
重量kg56.5713.516324560801071342684496637501170