常闭式气动衬胶隔膜阀主要零件的材料序号名称材料1体阀铸铁2衬囊层橡胶3隔膜橡胶4阀瓣铸铁5阀盖铸铁6阀杆碳钢7手轮铸铁常闭式气动衬胶隔膜阀主要连接尺寸公称通径DN(mm)公称压力PN(MPa)工作压力WP(MPa)主要外形尺寸(mm)适用范围重量（kg）LD1DD0?ZH温度（°C）介质J型W型J型W型201.61.6121117751057013.54103小于等于100一般腐蚀性非腐蚀性32513112785115831124.33215014610014011417.51446.5401631591101501567.95019419012516514017710.6651.01.0220216145185165164.517.6802582541602002308181.525.510030930518022028025336.212536235621025028247.5150412406240285368366.57420052752129534248322143)