公称通径:DN15-300(mm)基本型号Basic model:手动、电动 manual, electric法兰连接截止阀(角式) flange linkup stop valve (angular type)设计与制造符合中国国家标准Design and manufacture conforms to the national standard of China基本结构型式Basic structure type:角式 :angular公称压力:PN1.0-2.5(MPa)