蝶阀D71X,上海湖高碳钢蝶阀D71X,上海湖高铸钢蝶阀D71X,上海湖高不锈钢蝶阀D71F,上海湖高铬钼钢蝶阀D71H,上海湖高蜗轮蝶阀D371X,上海湖高蜗轮蝶阀D341X,上海湖高伸缩蝶阀SD343X-,上海湖高硬密封蝶阀D343H,上海湖高通风蝶阀D641,上海湖高电动盲板阀F947X,上海湖高手动盲板阀F743X,上海湖高高温蝶阀ZKJW,上海湖高信号蝶阀SD371X,上海湖高液动蝶阀HD741X,上海湖高焊接硬密封蝶阀D363H,上海湖高多层次硬密封蝶阀D371H,上海湖高凸耳式双向密封蝶阀D373H,上海湖高三偏心硬密封蝶阀D75X,等其它蝶阀.阀门工作压力:0.6Mpa-120.0Mpa.阀门工作温度:-19