DKZ61H真空焊接閘閥適用于工作溫度≤425℃和≤550℃，工作介質為水、蒸汽或空氣的管路上，作為啟閉裝置；尤其適用于火電廠汽機冷凝和真空負壓系統，起真空隔離密封作用。

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http://www.yjfmw。。ｃｏｍ/list/?135_1.html 刀型閘閥廠家

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http://www.yjzzfm。。ｎｅｔ/list/?113_1.html 盲板閥
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http://www.yjzzfm。。ｎｅｔ/list/?111_1.html 通風碟閥
http://www.yjzzfm。。ｎｅｔ/content/?322.html D941W電動通風蝶閥