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氣(qi)(qi)動(dong)調(diao)節(jie)(jie)(jie)角座(zuo)閥是(shi)一(yi)種常(chang)用的工業控(kong)(kong)制(zhi)裝(zhuang)(zhuang)置(zhi),用于(yu)調(diao)節(jie)(jie)(jie)流(liu)體(ti)介質的流(liu)量和(he)壓(ya)力。除了氣(qi)(qi)動(dong)信號控(kong)(kong)制(zhi)外,電(dian)氣(qi)(qi)接線(xian)(xian)和(he)信號控(kong)(kong)制(zhi)也是(shi)氣(qi)(qi)動(dong)調(diao)節(jie)(jie)(jie)角座(zuo)閥的重要組成部(bu)分。本文將介紹氣(qi)(qi)動(dong)調(diao)節(jie)(jie)(jie)角座(zuo)閥的電(dian)氣(qi)(qi)接線(xian)(xian)方式(shi)以及(ji)常(chang)見的信號控(kong)(kong)制(zhi)方式(shi)。首先,該裝(zhuang)(zhuang)置(zhi)的電(dian)氣(qi)(qi)接線(xian)(xian)方式(shi)主要包括兩種:常(chang)閉(bi)(NC)和(he)常(chang)開(kai)(NO)。常(chang)閉(bi)電(dian)氣(qi)(qi)...
氣(qi)(qi)(qi)動(dong)O型(xing)調節(jie)球閥(fa)可(ke)用于物料(liao)裝車(che)設備,完成(cheng)(cheng)一開(kai)二關(guan)(guan)(guan)式操作(zuo)(zuo)流程,接入(ru)(ru)PLC系統(tong)輸(shu)入(ru)(ru)4-20mA信(xin)號控(kong)制,在電腦(nao)程序上可(ke)以任意設置閥(fa)門(men)打開(kai)或關(guan)(guan)(guan)閉(bi)的(de)角度(du)。閥(fa)門(men)出廠設置為常閉(bi)型(xing),系統(tong)給(gei)定(ding)(ding)信(xin)號讓閥(fa)門(men)一次性全開(kai),系統(tong)再給(gei)定(ding)(ding)信(xin)號讓閥(fa)門(men)關(guan)(guan)(guan)閉(bi)95%,zui后再給(gei)定(ding)(ding)信(xin)號全關(guan)(guan)(guan),完成(cheng)(cheng)一開(kai)二關(guan)(guan)(guan)式作(zuo)(zuo)業,氣(qi)(qi)(qi)源故障時閥(fa)門(men)自動(dong)關(guan)(guan)(guan)閉(bi)。氣(qi)(qi)(qi)動(dong)O型(xing)調節(jie)球閥(fa)主(zhu)要(yao)配置:浮動(dong)式O型(xing)球閥(fa)與單作(zuo)(zuo)用氣(qi)(qi)(qi)動(dong)執行機構和電氣(qi)(qi)(qi)閥(fa)門(men)定(ding)(ding)位器、空氣(qi)(qi)(qi)過(guo)濾器組合而成(cheng)(cheng)。氣(qi)(qi)(qi)動(dong)O型(xing)調節(jie)球閥(fa)裝車(che)物料(liao)是液體,使用溫度(du)范圍(wei)0-150℃,安裝方式為法蘭連(lian)接,只要(yao)將...
閥(fa)(fa)(fa)門定位(wei)器是(shi)調(diao)節閥(fa)(fa)(fa)的(de)主要(yao)附件(jian),通常(chang)與(yu)氣動(dong)(dong)閥(fa)(fa)(fa)配套使用(yong),它接受調(diao)節器的(de)輸(shu)出信號(hao),然后以它的(de)輸(shu)出信號(hao)去控制氣動(dong)(dong)調(diao)節閥(fa)(fa)(fa),當調(diao)節閥(fa)(fa)(fa)動(dong)(dong)作后,閥(fa)(fa)(fa)桿的(de)位(wei)移又通過(guo)(guo)機械裝置反饋(kui)到閥(fa)(fa)(fa)門定位(wei)器,閥(fa)(fa)(fa)位(wei)狀況通過(guo)(guo)電信號(hao)傳(chuan)給上位(wei)系統。在(zai)眾多(duo)的(de)控制應(ying)(ying)(ying)用(yong)場(chang)合(he)中,閥(fa)(fa)(fa)門定位(wei)器是(shi)調(diao)節閥(fa)(fa)(fa)zui重要(yao)的(de)附件(jian)之一。尤其是(shi)對(dui)于(yu)某個特定的(de)應(ying)(ying)(ying)用(yong)場(chang)合(he),如果要(yao)選(xuan)擇一個zui適用(yong)的(de)閥(fa)(fa)(fa)門定位(wei)器,那么(me)就應(ying)(ying)(ying)注意(yi)考慮(lv)下列因素(su):1、閥(fa)(fa)(fa)門定位(wei)器能(neng)否實(shi)現(xian)“分程"實(shi)現(xian)“分程"是(shi)否容(rong)易、方便?具備(bei)“分程"功能(neng)就意(yi)味著閥(fa)(fa)(fa)門定位(wei)器只對(dui)輸(shu)入信號(hao)的(de)某個范圍(如:...