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  • 電動執行機構
  • 閘閥、蝶閥
產品分類Product categories
氣動O型切斷球閥和氣動雙作用執行機構構成。它具有結構簡單、體積小、重 量輕、操作方便等優點,可廣泛地應用于石油、 化工、水電、輕紡等工業生產進程地自動調節和遠程控制中。《查看更多》
氣動V型球閥是由截止閥演變而來。它具有相同的旋轉90度提動作,不同的是旋塞體是球體,有圓形通孔或通道通過其軸線。球面和通道口的比例應該是這樣的,即當球旋轉90度時,在進、出口處應全部呈現球面,從而截斷流動。《查看更多》
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熟妇人妻aV中文字幕老熟妇
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