J45J衬胶直流式截止阀设计与制造按：GB/12239结构长度：GB/12221法兰连接尺寸按：GB4126.3GB4216.4试验检验按：GB/T13927一、性能规范型号公称压力PN（MPa）试验压力PS（MPa）适用介质工作温度（℃）壳体试验密封试验J45J/F46-60.60.90.66W.非腐蚀性流体J.一般腐蚀性流体FS.强酸碱及各种***（溶融碱金属及元素氟除外）≤80≤150J45J/F46-101.01.51.1二、主要零部件材料表零件名称阀体、阀瓣阀盖阀杆、阀瓣手轮廓材料HT200衬氟塑料、衬橡胶HT200衬氟塑料、衬橡胶35衬氟塑料衬橡胶HT200三、主要连接尺寸及重量型号公称通径DN（mm）尺寸（mm）质量（kg）LDD1DH1bDon-d51601007560205161204-114.5322001209070-161604-13.51313010080250161604-13.5145023014011090290161604-13.516.565290160130100310161804-13.580310190150125358182004-17.536210170145428182004-17.550125400240200175510202808-17.568150480265225200550202808-17.59020060030280255635224008-17.51462507303753353122412-.17.5)