概述；应用规范1、设计制造造GB12235-892、结构长度按GB12221-893、法兰尺寸按JB/T79-944、阀门检查和试验按GB13927性能规范:型号公称压力(MPa)实验压力工作温度(℃)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≤200硝酸类J41W-25P(R)2.53.82.80.6≤200醋酸类J41W-40P(R)4.06.04.40.6≤200硝酸类J41W-60P(R)6.49.67.00.6≤200醋酸类主要零件材质:零件名称ZGICr18Ni9TiZG00Cr18Ni10ZG1Cr18Ni12M02TiZG00Cr17Ni14M02WCB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1Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni9Ti451.6MPa主要连接尺寸:尺寸DN1520253240506580100125150200250300350400Lmm130150160180200230290310350400480600650750850950Hmm200243253280312321325355415460510700975111512501380Wmm1201401601602002002402402803203605606007008009002.5MPa主要连接尺寸:尺寸DN1520253240506580100125150200250300350400Lmm130150160180200230290310350400480600650750850950Hmm200243253280312321325355415460510700975111512501380Wmm1201401601602002002402402803203605606007008009004.0MPa主要连接尺寸:尺寸DN1520253240506580100125150200250300350400Lmm130150160180200230290310350400480600650750850950Hmm200243253280312321325355415460510700975111512501380Wmm120140160160200200240240280320360560600700800900)