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上海相裕機電設備有限公司
主營產品： SAMSON閥門,HYDAC傳感器,賀德克傳感器,HYDAC壓力傳感器,賀德克壓力傳感器 |
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聯系電話
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上海相裕機電設備有限公司
主營產品： SAMSON閥門,HYDAC傳感器,賀德克傳感器,HYDAC壓力傳感器,賀德克壓力傳感器 |
聯系電話
| 參考價 | 面議 |
更新時間：2017-03-03 08:34:15瀏覽次數：723
聯系我們時請說明是化工儀器網上看到的信息，謝謝!
德國西門子SIEMENS閥位傳送器/C73541-A430 -D78
閥位傳送器與各類調節閥配套使用，顧名思義閥位傳送器就是用以將調節閥的位移變化，轉換成相對應的氣動模擬信號或電流信號，從而使操作人員在控制室就能了解現場情況。實際上，閥位傳送器是調節閥形程輸出的反饋裝置，可以廣泛應用于遠距離操作及重要的自控回路中，監測調節閥的形程狀況。
德國西門子SIEMENS閥位傳送器/C73541-A430 -D78
其中，氣動閥位傳送器動作原理：當執行機構接受氣動信號時，執行機構動作。檔桿與執行機構的推桿相連接，并帶動傳送器的轉軸使凸輪轉動，副杠桿向下轉動，拉伸彈簧的拉力減小，此時主杠桿繞支點轉動，使擋板靠近噴嘴，放大器的背壓增加，推動滑閥左移，氣源壓力經放大器滑閥進入氣路。一路輸入到閥位顯示儀表，另一路輸入到反饋波紋管，對主杠桿產生推力。當這個力對支點的作用力矩，與彈簧的拉伸力對支點的作用力矩相等時，達到平衡狀態，閥位傳送器已將閥門行程轉換為對應的輸出壓力
德國西門子SIEMENS閥位傳送器/C73541-A430 -D78
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