H44T-10铸铁旋启式止回阀『升降式止回阀』『旋启式止回阀』『立式止回阀』『对夹式止回阀』『消声止回阀』『静音止回阀』『缓闭式止回阀』『滚球式止回阀』『橡胶瓣止回阀』『球形止回阀』『排渣止回阀』『快闭止回阀』『衬氟止回阀』『螺纹止回阀』『梭式止回阀』『底阀』性能规范:型号公称压力(MPa)试验压力工作温度(℃)适用介质强度（水）(MPa)密封（水）(MPa)H44T-101.01.51.1≤200蒸汽、水H44W-101.01.51.1≤100油品H44X-101.01.51.1≤85水H44F-101.01.51.1≤120蒸汽、水主要零件材料:零件名称材料H44T-10H44W-10H44X-10H44F-10阀体、阀盖灰铸铁灰铸铁灰铸铁灰铸铁阀瓣灰铸铁+黄铜灰铸铁灰铸铁+橡胶灰铸铁+聚四乙烯外形尺寸和连接尺寸:型号公称通径(mm)尺寸(mm)LDD1D2b-fz-ФdHH44T-10H44W-10H44X-10H44F-10402001451108518-34-Ф181105023016012510020-34-Ф181226529018014512020-34-Ф181368031019516013522-34-Ф1815510035021518015524-38-Ф1816012540014521018526-38-Ф1818815048028024021026-38-Ф2322420049533529526526-38-Ф2325225062239035032028-312-Ф2328530069844040036828-312-Ф2335135078750046042830-316-Ф2340540091456551548232-416-Ф25460)