SMC3通先導式電磁閥工作性能講解

SMC3通(tong)(tong)(tong)(tong)先導(dao)式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)通(tong)(tong)(tong)(tong)過(guo)(guo)(guo)導(dao)線(xian)將電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)體(ti)(ti) 內線(xian)圈輸(shu)入(ru)(ru)(ru)(ru)(ru)正(zheng)(zheng)向脈(mo)(mo)(mo)沖(chong)信(xin)號(hao)，線(xian)圈產(chan)生的(de)(de)(de)(de)(de)(de)(de)(de)(de)工(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)磁(ci)(ci)(ci)(ci)(ci)(ci)通(tong)(tong)(tong)(tong)，使動(dong)(dong)(dong)芯吸合，打開閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)。當停止正(zheng)(zheng)向脈(mo)(mo)(mo)沖(chong)信(xin)號(hao)輸(shu)入(ru)(ru)(ru)(ru)(ru)時(shi)(shi)，動(dong)(dong)(dong)芯釋(shi)放，動(dong)(dong)(dong)芯在(zai)(zai)(zai)(zai)(zai)彈簧(huang)力的(de)(de)(de)(de)(de)(de)(de)(de)(de)作(zuo)(zuo)(zuo)(zuo)(zuo)用(yong)下(xia)回復到初始狀(zhuang)(zhuang)態(tai)，關閉閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)，另外有(you)(you)自 保(bao)(bao)持(chi)型的(de)(de)(de)(de)(de)(de)(de)(de)(de)，停止輸(shu)入(ru)(ru)(ru)(ru)(ru)正(zheng)(zheng)向脈(mo)(mo)(mo)沖(chong)或(huo)(huo)(huo)斷(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)后也能(neng)保(bao)(bao)持(chi)，需(xu)要(yao)(yao)(yao)(yao)輸(shu)入(ru)(ru)(ru)(ru)(ru)負向脈(mo)(mo)(mo)沖(chong)信(xin)號(hao)才能(neng)復位。脈(mo)(mo)(mo)沖(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)(de)工(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)原理是(shi)(shi)(shi)(shi)利(li)用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器的(de)(de)(de)(de)(de)(de)(de)(de)(de)脈(mo)(mo)(mo)沖(chong)轉化為(wei)機械的(de)(de)(de)(de)(de)(de)(de)(de)(de)脈(mo)(mo)(mo)動(dong)(dong)(dong)使得脈(mo)(mo)(mo)動(dong)(dong)(dong)氣(qi)(qi)體(ti)(ti)的(de)(de)(de)(de)(de)(de)(de)(de)(de)強大能(neng)量變成動(dong)(dong)(dong)量 在(zai)(zai)(zai)(zai)(zai)短時(shi)(shi)間內釋(shi)放產(chan)生巨大沖(chong)力，用(yong)plc控制(zhi)其脈(mo)(mo)(mo)沖(chong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)間隔應(ying)(ying)(ying)根(gen)據(ju)額定(ding)(ding)(ding)氣(qi)(qi)體(ti)(ti)壓(ya)(ya)力恢(hui)復時(shi)(shi)間來(lai)確定(ding)(ding)(ding). 用(yong)途：一(yi)(yi)般安(an)裝(zhuang)(zhuang)(zhuang)在(zai)(zai)(zai)(zai)(zai)主油(you)(you)(you)路(lu)或(huo)(huo)(huo)減振器背壓(ya)(ya)油(you)(you)(you)路(lu)中，在(zai)(zai)(zai)(zai)(zai)變速器自動(dong)(dong)(dong)升檔(dang)(dang)及降檔(dang)(dang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)瞬間或(huo)(huo)(huo)在(zai)(zai)(zai)(zai)(zai) 鎖(suo)止離合器鎖(suo)止及解除鎖(suo)止動(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)(zuo)開始時(shi)(shi)使油(you)(you)(you)壓(ya)(ya)下(xia)降，以減少(shao)換檔(dang)(dang)和(he)鎖(suo)止解鎖(suo)沖(chong)擊(ji)，使車輛(liang)運(yun)行更(geng)加平衡。 其作(zuo)(zuo)(zuo)(zuo)(zuo)用(yong)是(shi)(shi)(shi)(shi)控制(zhi)油(you)(you)(you)路(lu)中油(you)(you)(you)壓(ya)(ya)的(de)(de)(de)(de)(de)(de)(de)(de)(de)大小。SMC3通(tong)(tong)(tong)(tong)先導(dao)式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)里(li)有(you)(you)密(mi)閉的(de)(de)(de)(de)(de)(de)(de)(de)(de)腔，在(zai)(zai)(zai)(zai)(zai)不(bu)(bu)(bu)同位置(zhi)開有(you)(you)通(tong)(tong)(tong)(tong)孔，每個孔都通(tong)(tong)(tong)(tong)向不(bu)(bu)(bu)同的(de)(de)(de)(de)(de)(de)(de)(de)(de)油(you)(you)(you)管(guan)，腔中間是(shi)(shi)(shi)(shi)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)， 兩(liang)面是(shi)(shi)(shi)(shi)兩(liang)塊電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)鐵(tie)，哪面的(de)(de)(de)(de)(de)(de)(de)(de)(de)磁(ci)(ci)(ci)(ci)(ci)(ci)鐵(tie)線(xian)圈通(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)體(ti)(ti)就會被吸引到哪邊(bian)，通(tong)(tong)(tong)(tong)過(guo)(guo)(guo)控制(zhi)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)體(ti)(ti)的(de)(de)(de)(de)(de)(de)(de)(de)(de)移動(dong)(dong)(dong)來(lai)檔(dang)(dang)住或(huo)(huo)(huo)漏出不(bu)(bu)(bu)同的(de)(de)(de)(de)(de)(de)(de)(de)(de)排油(you)(you)(you)的(de)(de)(de)(de)(de)(de)(de)(de)(de)孔。SMC電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)介(jie)質(zhi)(zhi)，SMC電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)參數(shu)，SMC3通(tong)(tong)(tong)(tong)先導(dao)式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)安(an)裝(zhuang)(zhuang)(zhuang)與維護(hu)； 1、安(an)裝(zhuang)(zhuang)(zhuang)時(shi)(shi)應(ying)(ying)(ying)注(zhu)意(yi)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)體(ti)(ti)上箭頭(tou)應(ying)(ying)(ying)與介(jie)質(zhi)(zhi)流(liu)向一(yi)(yi)致。不(bu)(bu)(bu)可(ke)(ke)(ke)裝(zhuang)(zhuang)(zhuang)在(zai)(zai)(zai)(zai)(zai)有(you)(you)直接(jie)滴水(shui)(shui)(shui)或(huo)(huo)(huo)濺水(shui)(shui)(shui)的(de)(de)(de)(de)(de)(de)(de)(de)(de)地方。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)應(ying)(ying)(ying)垂直向上安(an)裝(zhuang)(zhuang)(zhuang)。 2、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)應(ying)(ying)(ying)保(bao)(bao)證(zheng)在(zai)(zai)(zai)(zai)(zai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)為(wei)額定(ding)(ding)(ding)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)的(de)(de)(de)(de)(de)(de)(de)(de)(de)15%-10%波動(dong)(dong)(dong)范圍內正(zheng)(zheng)常(chang)工(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)。 3、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)安(an)裝(zhuang)(zhuang)(zhuang)后，管(guan)道中不(bu)(bu)(bu)得有(you)(you)反向壓(ya)(ya)差。并(bing)需(xu)通(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)數(shu)次，使之適溫后方可(ke)(ke)(ke)正(zheng)(zheng)式(shi)(shi)(shi)投(tou)入(ru)(ru)(ru)(ru)(ru)使用(yong)。 4、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)安(an)裝(zhuang)(zhuang)(zhuang)前應(ying)(ying)(ying)*清(qing)(qing)洗(xi)管(guan)道。通(tong)(tong)(tong)(tong)入(ru)(ru)(ru)(ru)(ru)的(de)(de)(de)(de)(de)(de)(de)(de)(de)介(jie)質(zhi)(zhi)應(ying)(ying)(ying)無雜質(zhi)(zhi)。閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)前裝(zhuang)(zhuang)(zhuang)過(guo)(guo)(guo)濾器。 5、當電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)發生故障或(huo)(huo)(huo)清(qing)(qing)洗(xi)時(shi)(shi)，為(wei)保(bao)(bao)證(zheng)系統繼續(xu)運(yun)行，應(ying)(ying)(ying)安(an)裝(zhuang)(zhuang)(zhuang)旁(pang)路(lu)裝(zhuang)(zhuang)(zhuang)置(zhi)。6、接(jie)管(guan)時(shi)(shi)注(zhu)意(yi)，密(mi)封(feng)(feng)材料(liao)不(bu)(bu)(bu)可(ke)(ke)(ke)使用(yong)過(guo)(guo)(guo)量，如(ru)(ru)螺(luo)紋(wen)(wen)連接(jie)時(shi)(shi)，接(jie)管(guan)外螺(luo)紋(wen)(wen)長度不(bu)(bu)(bu)可(ke)(ke)(ke)超過(guo)(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)內螺(luo)紋(wen)(wen)的(de)(de)(de)(de)(de)(de)(de)(de)(de)有(you)(you)效(xiao)長度，并(bing)在(zai)(zai)(zai)(zai)(zai)外螺(luo)紋(wen)(wen)前端(duan)半螺(luo)距處用(yong)銼刀(dao)倒(dao)棱，自螺(luo)紋(wen)(wen)2牙處開始纏繞密(mi)封(feng)(feng)帶(dai)，否(fou)(fou)則(ze)(ze)(ze)過(guo)(guo)(guo)量的(de)(de)(de)(de)(de)(de)(de)(de)(de)密(mi)封(feng)(feng)帶(dai)或(huo)(huo)(huo)粘(zhan)結劑殘(can)渣進入(ru)(ru)(ru)(ru)(ru)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)(de)內腔會引起故障。 7、在(zai)(zai)(zai)(zai)(zai)管(guan)道鋼性(xing)不(bu)(bu)(bu)足(zu)或(huo)(huo)(huo)有(you)(you)水(shui)(shui)(shui)錘現象的(de)(de)(de)(de)(de)(de)(de)(de)(de)情況(kuang)下(xia)，建議把閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)前后管(guan)子用(yong)支架或(huo)(huo)(huo)其它(ta)方式(shi)(shi)(shi)固定(ding)(ding)(ding)，以防(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)工(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)時(shi)(shi)引起振動(dong)(dong)(dong)。 8、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)安(an)裝(zhuang)(zhuang)(zhuang)后經檢查前期準備試驗工(gong)序完(wan)成后，須(xu)通(tong)(tong)(tong)(tong)入(ru)(ru)(ru)(ru)(ru)流(liu)體(ti)(ti)試動(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)(zuo)3~5次，確認正(zheng)(zheng)常(chang)后方可(ke)(ke)(ke)投(tou)入(ru)(ru)(ru)(ru)(ru)正(zheng)(zheng)式(shi)(shi)(shi)使用(yong)。9、與電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)相關的(de)(de)(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源控制(zhi)線(xian)路(lu)及設(she)施(shi)，如(ru)(ru)繼電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器、開關和(he)接(jie)觸器等應(ying)(ying)(ying)連接(jie)牢固、不(bu)(bu)(bu)得有(you)(you)松動(dong)(dong)(dong)或(huo)(huo)(huo)振動(dong)(dong)(dong)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)氣(qi)(qi)回路(lu)要(yao)(yao)(yao)(yao)接(jie)入(ru)(ru)(ru)(ru)(ru)相應(ying)(ying)(ying)的(de)(de)(de)(de)(de)(de)(de)(de)(de)保(bao)(bao)險線(xian)，作(zuo)(zuo)(zuo)(zuo)(zuo)為(wei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)氣(qi)(qi)回路(lu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)保(bao)(bao)護(hu)，否(fou)(fou)則(ze)(ze)(ze)將影響電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)(de)正(zheng)(zheng)常(chang)工(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)或(huo)(huo)(huo)損壞。 電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)(de)基(ji)本選(xuan)(xuan)(xuan)型 一(yi)(yi)、根(gen)據(ju)管(guan)道參數(shu)選(xuan)(xuan)(xuan)擇(ze)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)(de)：通(tong)(tong)(tong)(tong)徑規(gui)格（即(ji)DN）、接(jie)口(kou)方式(shi)(shi)(shi) 1、按照(zhao)現場管(guan)道內徑尺(chi)寸或(huo)(huo)(huo)流(liu)量要(yao)(yao)(yao)(yao)求來(lai)確定(ding)(ding)(ding)通(tong)(tong)(tong)(tong)徑（DN）尺(chi)寸。 2、接(jie)口(kou)方式(shi)(shi)(shi)，一(yi)(yi)般>DN50要(yao)(yao)(yao)(yao)選(xuan)(xuan)(xuan)擇(ze)法蘭(lan)接(jie)口(kou)，≤DN50則(ze)(ze)(ze)可(ke)(ke)(ke)根(gen)據(ju)用(yong)戶需(xu)要(yao)(yao)(yao)(yao)自由(you)選(xuan)(xuan)(xuan)擇(ze)。SMC3通(tong)(tong)(tong)(tong)先導(dao)式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)VQZ1120-5LOB-M5 二、根(gen)據(ju)流(liu)體(ti)(ti)參數(shu)選(xuan)(xuan)(xuan)擇(ze)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)(de)：材質(zhi)(zhi)、溫度組 1、腐(fu)蝕性(xing)流(liu)體(ti)(ti)：宜選(xuan)(xuan)(xuan)用(yong)耐腐(fu)蝕電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)和(he)全不(bu)(bu)(bu)銹(xiu)鋼；食用(yong)超凈流(liu)體(ti)(ti)：宜選(xuan)(xuan)(xuan)用(yong)食品級不(bu)(bu)(bu)銹(xiu)鋼材質(zhi)(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)。 2、高(gao)溫流(liu)體(ti)(ti)：要(yao)(yao)(yao)(yao)選(xuan)(xuan)(xuan)擇(ze)采用(yong)耐高(gao)溫的(de)(de)(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)工(gong)材料(liao)和(he)密(mi)封(feng)(feng)材料(liao)制(zhi)造的(de)(de)(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)，而(er)且要(yao)(yao)(yao)(yao)選(xuan)(xuan)(xuan)擇(ze)活塞式(shi)(shi)(shi)結構類型的(de)(de)(de)(de)(de)(de)(de)(de)(de)。 3、流(liu)體(ti)(ti)狀(zhuang)(zhuang)態(tai)：大至有(you)(you)氣(qi)(qi)態(tai)，液態(tai)或(huo)(huo)(huo)混合狀(zhuang)(zhuang)態(tai)，特別是(shi)(shi)(shi)(shi)口(kou)徑大于(yu)DN25訂貨時(shi)(shi)一(yi)(yi)定(ding)(ding)(ding)要(yao)(yao)(yao)(yao)區分開來(lai)。4、流(liu)體(ti)(ti)粘(zhan)度：通(tong)(tong)(tong)(tong)常(chang)在(zai)(zai)(zai)(zai)(zai)50cSt以下(xia)可(ke)(ke)(ke)任意(yi)選(xuan)(xuan)(xuan)擇(ze)，若(ruo)超過(guo)(guo)(guo)此值，則(ze)(ze)(ze)要(yao)(yao)(yao)(yao)選(xuan)(xuan)(xuan)用(yong)高(gao)粘(zhan)度電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)。 三(san)、根(gen)據(ju)壓(ya)(ya)力參數(shu)選(xuan)(xuan)(xuan)擇(ze)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)(de)：原理和(he)結構品種 1、公稱壓(ya)(ya)力：這個參數(shu)與其它(ta)通(tong)(tong)(tong)(tong)用(yong)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)的(de)(de)(de)(de)(de)(de)(de)(de)(de)含義(yi)是(shi)(shi)(shi)(shi)一(yi)(yi)樣的(de)(de)(de)(de)(de)(de)(de)(de)(de)，是(shi)(shi)(shi)(shi)根(gen)據(ju)管(guan)道公稱壓(ya)(ya)力來(lai)定(ding)(ding)(ding)。 2、工(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)壓(ya)(ya)力：如(ru)(ru)果工(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)壓(ya)(ya)力低則(ze)(ze)(ze)必須(xu)選(xuan)(xuan)(xuan)用(yong)直動(dong)(dong)(dong)或(huo)(huo)(huo)分步直動(dong)(dong)(dong)式(shi)(shi)(shi)原理；zui低工(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)壓(ya)(ya)差在(zai)(zai)(zai)(zai)(zai)0.04Mpa以上時(shi)(shi)直動(dong)(dong)(dong)式(shi)(shi)(shi)、分步直動(dong)(dong)(dong)式(shi)(shi)(shi)、先導(dao)式(shi)(shi)(shi)均可(ke)(ke)(ke)選(xuan)(xuan)(xuan)用(yong)。四、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)氣(qi)(qi)選(xuan)(xuan)(xuan)擇(ze)：電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)規(gui)格應(ying)(ying)(ying)盡量優先選(xuan)(xuan)(xuan)用(yong)AC220V、DC24較為(wei)方便。 五(wu)、根(gen)據(ju)持(chi)續(xu)工(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)時(shi)(shi)間長短來(lai)選(xuan)(xuan)(xuan)擇(ze)：常(chang)閉、常(chang)開、或(huo)(huo)(huo)可(ke)(ke)(ke)持(chi)續(xu)通(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian) 2、要(yao)(yao)(yao)(yao)是(shi)(shi)(shi)(shi)開啟的(de)(de)(de)(de)(de)(de)(de)(de)(de)時(shi)(shi)間短或(huo)(huo)(huo)開和(he)關的(de)(de)(de)(de)(de)(de)(de)(de)(de)時(shi)(shi)間不(bu)(bu)(bu)多時(shi)(shi)，選(xuan)(xuan)(xuan)常(chang)閉型。 3、但是(shi)(shi)(shi)(shi)有(you)(you)些用(yong)于(yu)安(an)全保(bao)(bao)護(hu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)工(gong)況(kuang)，如(ru)(ru)爐、窯(yao)火(huo)焰監測，則(ze)(ze)(ze)不(bu)(bu)(bu)能(neng)選(xuan)(xuan)(xuan)常(chang)開的(de)(de)(de)(de)(de)(de)(de)(de)(de)，應(ying)(ying)(ying)選(xuan)(xuan)(xuan)可(ke)(ke)(ke)長期通(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)型。

SMC3通先導式電磁閥工作性能講解