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                                                                                                                                歡迎來到美國YLOK閥門一級代理商官方網站

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                                                                                                                                進口電動調節閥實物圖

                                                                                                                                  詳細說明

                                                                                                                                   

                                                                                                                                  美國YLOK進口電動調節閥是工業自動化過程控制中的重要執行單元儀表。隨著工業領域的自動化程度越來越高,正被越來越多的應用在各種工業生產領域中。與傳統的氣動調節閥相比具有明顯的優點:進口電動調節閥節能(只在工作時才消耗電能),環保(無碳排放),安裝快捷方便(無需復雜的氣動管路和氣泵工作站)。閥門按其所配執行機構使用的動力,按其功能和特性分為線性特性,等百分比特性及拋物線特性三種

                                                                                                                                  閥門結構

                                                                                                                                  由進口電動執行機構和進口調節閥連接組合后經過機械連接裝配、調試安裝構成進口電動調節閥。

                                                                                                                                  進口電動調節閥工作原理

                                                                                                                                  工作電源:DC24V,AC220V,AC380V等電壓等級。

                                                                                                                                  輸入控制信號:DC4-20MA或者DC1-5V。

                                                                                                                                  反饋控制信號:DC4-20MA(負載電阻礙500歐姆以下)

                                                                                                                                  通過接收工業自動化控制系統的信號(如:4~20mA)來驅動閥門改變閥芯和閥座之間的截面積大小控制管道介質的流量、溫度、壓力等工藝參數。實現自動化調節功能。

                                                                                                                                  新型進口電動調節閥執行器內含飼服功能,接受統一的4-20mA1-5V·DC的標準信號,將電流信號轉變成相對應的直線位移,自動地控制調節閥開度,達到對管道內流體的壓力、流量、溫度、液位等工藝參數的連續調節。

                                                                                                                                  進口電動調節閥流量特性

                                                                                                                                  進口電動調節閥的流量特性,是在閥兩端壓差保持恒定的條件下,介質流經進口電動調節閥的相對流量與它的開度之間關系。

                                                                                                                                  電動調節閥的流量特性有:線性特性,等百分比特性及拋物線特性三種。

                                                                                                                                  應用領域

                                                                                                                                  電力、化工、冶金、環保、水處理、輕工、建材等工業自動化系統領域。

                                                                                                                                  進口電動調節閥安裝說明

                                                                                                                                  進口電動調節閥最適宜安裝為工作活塞上端在水平管線下部。溫度傳感器可安裝在任何位置,整個長度必須浸入到被控介質中。

                                                                                                                                  電動調節閥一般包括驅動器,接受驅動器信號(0-10V4-20MA)來控制閥門進行調節,也可根據控制需要,組成智能化網絡控制系統,優化控制實現遠程監控。

                                                                                                                                  電氣原理

                                                                                                                                  動作原理:電機電源220VAC 或者380VAC,控制信號4~20mA,閥里面有控制器,控制器把電流信號轉換為步進電機的角行程信號,電機轉動,由齒輪,杠桿,或者齒輪加杠桿,帶動閥桿運作,實現直行程或角行程

                                                                                                                                  反饋:電機運行,通過齒輪運轉,由三接頭的滑動變阻器輸出閥門的定位信號,此外還有三根線的限位信號(全開,全閉。公共線)

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