調節閥用于調節(jie)介質的流(liu)量、壓(ya)力(li)和液位(wei)。根據調節(jie)部位(wei)信號,自動(dong)控制閥門(men)的開度(du),從而達到介質流(liu)量、壓(ya)力(li)和液位(wei)的調節(jie)。
電(dian)(dian)(dian)動(dong)調節(jie)閥(fa)就是(shi)用電(dian)(dian)(dian)源來驅動(dong)電(dian)(dian)(dian)動(dong)執(zhi)行(xing)器(qi)進而驅動(dong)閥(fa)門來進行(xing)節(jie)流(liu)的(de)調節(jie)閥(fa),它是(shi)工(gong)(gong)業自動(dong)化過程控制中(zhong)的(de)重要執(zhi)行(xing)單元(yuan)儀表。隨著(zhu)工(gong)(gong)業領域(yu)的(de)自動(dong)化程度越(yue)來越(yue)高,正被越(yue)來越(yue)多的(de)應用在(zai)各種工(gong)(gong)業生(sheng)產領域(yu)中(zhong)。電(dian)(dian)(dian)動(dong)調節(jie)閥(fa)與傳統的(de)氣(qi)(qi)動(dong)調節(jie)閥(fa)相比具(ju)有明顯(xian)的(de)優點:節(jie)能(neng)(只在(zai)工(gong)(gong)作時才消(xiao)耗電(dian)(dian)(dian)能(neng)),環保(無碳(tan)排放),安裝快捷(jie)方(fang)便(無需復雜的(de)氣(qi)(qi)動(dong)管路和(he)氣(qi)(qi)泵工(gong)(gong)作站) 工(gong)(gong)作電(dian)(dian)(dian)源:AC22V 380V等電(dian)(dian)(dian)壓等級。
電動調節閥通過接收工業自(zi)動(dong)化控制(zhi)系統的信號(如:4~20mA)來(lai)驅動(dong)閥(fa)門(men)改變(bian)閥(fa)芯和閥(fa)座之間的截(jie)面積大小控制(zhi)管道(dao)介質的流量、溫度、壓(ya)力等工藝參數。實現自(zi)動(dong)化調節功能。