技术规范设计规范结构长度连接法兰试验与检验产品标识供货规范GB/T12239GB/T12221/JB1688JB/T78,GB4216GB/T13927GB/T12220JB/T7928主要零部件材料序号零件名称灰铸铁铸钢不锈耐酸铸钢超低碳不锈耐酸铸钢ZCPRPLPL1阀体/阀盖HT250WCBCF8CF8MCF3CF3M2阀瓣/阀杆HT2501Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti00Cr18Ni1000Cr17Ni14Mo23衬里/阀座天然胶(Naturalrubber)、丁基胶(Isobutylene-isoprenerubber)、PTFE(F4)、FEP(F46)4隔膜橡胶、氟塑料Rubber,fluoroplastic5手轮HT250主要尺寸及重量公称压力工作压力通径LDD1N-φdFH1H2D0重量mminch1.01.0151/212595654-1421051161004.5203/4135105754-1421171281004.5251145115854-14212113512053211/41601401004-18213215012074011/21801501104-18315617614095022101651254-18316919514012.56521/22501851454-183200236200198033002001604-18321625620025.510043502201808-1832703222804012554002502108-1833384063206215064602852408-22338446432080.50.60.420085703402958-2245186384001462501068039535012-2245987345002403001279044540012-2246987785003343501490050546016-2247238835003710.2540016100056551516-2548681078640584)