詳細(xì)介紹
船用鑄鋼吸入通海閥GB/T11691-1989 (四進(jìn)位)閥體缔杉、閥蓋Body/Cover 鑄鋼Cast Steel ZG230-450 閥盤饲常、閥座Disc/Seat 鑄錫青銅Cast Tin Bronze ZCuSn102n2 閥桿Stem 鋁青銅Aluminum Bronze CuA19Mn2
公稱通徑DN50-DN500蹲堂,
船用鑄鋼吸入通海閥GB/T11691-1989 (四進(jìn)位)閥體、閥蓋Body/Cover 鑄鋼Cast Steel ZG230-450 閥盤、閥座Disc/Seat 鑄錫青銅Cast Tin Bronze ZCuSn102n2 閥桿Stem 鋁青銅Aluminum Bronze CuA19Mn2
公稱通徑DN50-DN500柒竞,