H41F46升降式衬氟止回阀的详细资料：H44F型衬氟止回阀概述：止回阀是一种依靠介质本身的流动而自动启闭阀瓣用来阻止介质逆向流动的自动阀门,衬里止回阀基本类型有四种：H41型法兰连接直通升降式止回阀和H42型升降立式止回阀、H44立式止回阀、H76旋启式止回阀。衬氟升降止回阀主要外形和连接尺寸：公称通径标准值参考值DN（mmNPSinchLDD1D2fbZ-φdBHWTkgPN1.0MPa151/21309565452144-φ14105555203/415010575552164-φ1411558725116011585652164-φ141286093211/4180135100782184-φ1814575114011/2200145110853184-φ181608213.55022301601251003204-φ1817895186521/22901801451203204-φ18205105228033101951601353224-φ182301202810043502151801553228-φ18255135341255400245210185324)