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  • 電動執行機構
  • 閘閥、蝶閥
直行程電動執行器以220V電源為動力,接受統一的標準信號4-20mA將此轉變成與輸入信號相對應的出軸直線位移,自動地操縱調節閥或其它終端機構等完成自動調節任務,或者配用電動操作器實行手動搖控。《查看更多》
直行程羅托克電動執行器是自動調節系統的終端控制裝置,它接收來自控制器或計算機的4-20mA或(1-5V)模擬量信號及斷續接點控制信號,輸出力矩或力,自動操縱調節機構,完成自動調節任務。《查看更多》
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熟妇人妻aV中文字幕老熟妇
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