Z45W蒸汽暗杆黄铜闸阀上海阀门厂家
暗杆黄铜闸阀规格尺寸:公称通径DN长度L中心***手轮直径D2072731602576761603276861744082931745089101174659612316880106131189100126143230黄铜闸阀螺纹连接主要规格尺寸:DNSIZEABCDG103/8429.566.5453/8151/24312.871541/2203/44617.577543/42515322896013211/455271016811/44011/258341117211/250266.545128802)