BURKERT（寶德）電磁閥，BURKERT

分步直(zhi)動(dong)(dong)(dong)式BURKERT電(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa) 　　BURKERT電(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)采用(yong)(yong)次(ci)開(kai)(kai)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)和(he)二次(ci)開(kai)(kai)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)連在(zai)體(ti)，主閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)和(he)導(dao)(dao)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)分步使(shi)電(dian)(dian)(dian)(dian)磁(ci)(ci)力(li)(li)和(he)壓(ya)差(cha)(cha)直(zhi)接(jie)開(kai)(kai)啟(qi)主閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)口(kou)(kou)。當(dang)(dang)線(xian)(xian)圈(quan)通(tong)(tong)電(dian)(dian)(dian)(dian)時(shi)(shi)，產生(sheng)電(dian)(dian)(dian)(dian)磁(ci)(ci)力(li)(li)使(shi)動(dong)(dong)(dong)鐵(tie)(tie)芯(xin)(xin)(xin)和(he)靜鐵(tie)(tie)芯(xin)(xin)(xin)吸合，導(dao)(dao)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)口(kou)(kou)開(kai)(kai)啟(qi)而(er)導(dao)(dao)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)口(kou)(kou)設在(zai)主閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)口(kou)(kou)上(shang)(shang)，且(qie)動(dong)(dong)(dong)鐵(tie)(tie)芯(xin)(xin)(xin)與主閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)芯(xin)(xin)(xin)連在(zai)起，此時(shi)(shi)主閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)上(shang)(shang)腔的(de)(de)(de)(de)壓(ya)力(li)(li)通(tong)(tong)過導(dao)(dao)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)口(kou)(kou)卸荷，在(zai)壓(ya)力(li)(li)差(cha)(cha)和(he)電(dian)(dian)(dian)(dian)磁(ci)(ci)力(li)(li)的(de)(de)(de)(de)同時(shi)(shi)作(zuo)(zuo)(zuo)用(yong)(yong)下(xia)(xia)使(shi)主閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)芯(xin)(xin)(xin)向(xiang)上(shang)(shang)運(yun)動(dong)(dong)(dong)，開(kai)(kai)啟(qi)主閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)介質流通(tong)(tong)。當(dang)(dang)線(xian)(xian)圈(quan)斷電(dian)(dian)(dian)(dian)時(shi)(shi)電(dian)(dian)(dian)(dian)磁(ci)(ci)力(li)(li)消失，此時(shi)(shi)動(dong)(dong)(dong)鐵(tie)(tie)芯(xin)(xin)(xin)在(zai)自重和(he)彈簧(huang)力(li)(li)的(de)(de)(de)(de)作(zuo)(zuo)(zuo)用(yong)(yong)下(xia)(xia)關閉(bi)(bi)導(dao)(dao)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)孔，此時(shi)(shi)介質在(zai)平衡孔中進入主閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)芯(xin)(xin)(xin)上(shang)(shang)腔，使(shi)上(shang)(shang)腔壓(ya)力(li)(li)升高，此時(shi)(shi)在(zai)彈簧(huang)復位和(he)壓(ya)力(li)(li)的(de)(de)(de)(de)作(zuo)(zuo)(zuo)用(yong)(yong)下(xia)(xia)關閉(bi)(bi)主閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)，介質斷流。結構合理，動(dong)(dong)(dong)作(zuo)(zuo)(zuo)可靠(kao)，在(zai)零壓(ya)差(cha)(cha)時(shi)(shi)工作(zuo)(zuo)(zuo)也可靠(kao)。如(ru)：ZQDF，ZS，2W等。 　　三、間接(jie)導(dao)(dao)式BURKERT電(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa) 　　該系列BURKERT電(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)由導(dao)(dao)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)和(he)主閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)芯(xin)(xin)(xin)著形成通(tong)(tong)道組合而(er)成；常閉(bi)(bi)型在(zai)未(wei)通(tong)(tong)電(dian)(dian)(dian)(dian)時(shi)(shi)，呈關閉(bi)(bi)狀態。當(dang)(dang)線(xian)(xian)圈(quan)通(tong)(tong)電(dian)(dian)(dian)(dian)時(shi)(shi)，產生(sheng)的(de)(de)(de)(de)磁(ci)(ci)力(li)(li)使(shi)動(dong)(dong)(dong)鐵(tie)(tie)芯(xin)(xin)(xin)和(he)靜鐵(tie)(tie)芯(xin)(xin)(xin)吸合，導(dao)(dao)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)口(kou)(kou)打(da)開(kai)(kai)，介質流向(xiang)出口(kou)(kou)，此時(shi)(shi)主閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)芯(xin)(xin)(xin)上(shang)(shang)腔壓(ya)力(li)(li)減少，低于進口(kou)(kou)側的(de)(de)(de)(de)壓(ya)力(li)(li)，形成壓(ya)差(cha)(cha)克(ke)服(fu)彈簧(huang)阻力(li)(li)而(er)隨(sui)之向(xiang)上(shang)(shang)運(yun)動(dong)(dong)(dong)，達到開(kai)(kai)啟(qi)主閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)口(kou)(kou)的(de)(de)(de)(de)目(mu)的(de)(de)(de)(de)，介質流通(tong)(tong)。當(dang)(dang)線(xian)(xian)圈(quan)斷電(dian)(dian)(dian)(dian)時(shi)(shi)，磁(ci)(ci)力(li)(li)消失，動(dong)(dong)(dong)鐵(tie)(tie)芯(xin)(xin)(xin)在(zai)彈簧(huang)力(li)(li)作(zuo)(zuo)(zuo)用(yong)(yong)下(xia)(xia)復位關閉(bi)(bi)導(dao)(dao)口(kou)(kou)，此時(shi)(shi)介質從平衡孔流入，主閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)芯(xin)(xin)(xin)上(shang)(shang)腔壓(ya)力(li)(li)增大，并(bing)在(zai)彈簧(huang)力(li)(li)的(de)(de)(de)(de)作(zuo)(zuo)(zuo)用(yong)(yong)下(xia)(xia)向(xiang)下(xia)(xia)運(yun)動(dong)(dong)(dong)，關閉(bi)(bi)主閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)口(kou)(kou)。常開(kai)(kai)式原理正好相反(fan)。如(ru)：SLA，DF（φ15以上(shang)(shang)口(kou)(kou)徑(jing)），ZCZ等。

BURKERT（寶德）電磁閥，BURKERT
BURKERT電磁閥的4大特性
適用(yong)(yong)(yong) 　　管(guan)(guan)路中(zhong)的流體必須(xu)和選(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)的BURKERT電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)系(xi)列型(xing)號中(zhong)標定(ding)(ding)的介(jie)質(zhi)*。 　　流體的溫(wen)(wen)度(du)必須(xu)小于(yu)(yu)(yu)(yu)選(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)BURKERT電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)的標定(ding)(ding)溫(wen)(wen)度(du)。 　　BURKERT電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)允許(xu)液(ye)體粘度(du)般(ban)(ban)在20CST以下，大于(yu)(yu)(yu)(yu)20CST應注明。 　　工(gong)(gong)作壓(ya)(ya)(ya)(ya)(ya)差(cha)(cha)，管(guan)(guan)路zui高(gao)壓(ya)(ya)(ya)(ya)(ya)差(cha)(cha)在小于(yu)(yu)(yu)(yu)0.04MPa時應選(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)如(ru)(ru)ZS,2W,ZQDF,ZCM系(xi)列等直動(dong)式和分(fen)步(bu)直動(dong)式；zui低工(gong)(gong)作壓(ya)(ya)(ya)(ya)(ya)差(cha)(cha)大于(yu)(yu)(yu)(yu)0.04MPa時可選(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)導式（壓(ya)(ya)(ya)(ya)(ya)差(cha)(cha)式）BURKERT電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)；zui高(gao)工(gong)(gong)作壓(ya)(ya)(ya)(ya)(ya)差(cha)(cha)應小于(yu)(yu)(yu)(yu)BURKERT電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)的zui大標定(ding)(ding)壓(ya)(ya)(ya)(ya)(ya)力；般(ban)(ban)BURKERT電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)都是單向工(gong)(gong)作，因(yin)此(ci)要(yao)注意是否(fou)有(you)(you)反壓(ya)(ya)(ya)(ya)(ya)差(cha)(cha)，如(ru)(ru)有(you)(you)安(an)裝止回閥(fa)(fa)(fa)(fa)。 　　流體清潔(jie)度(du)不高(gao)時應在BURKERT電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)前安(an)裝過濾器，般(ban)(ban)BURKERT電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)對介(jie)質(zhi)要(yao)求清潔(jie)度(du)要(yao)好。 　　注意流量孔(kong)徑(jing)(jing)和接管(guan)(guan)口徑(jing)(jing)；BURKERT電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)般(ban)(ban)只有(you)(you)開(kai)關(guan)兩(liang)位(wei)控制(zhi)(zhi)；條(tiao)件允許(xu)請安(an)裝旁路管(guan)(guan)，便于(yu)(yu)(yu)(yu)維修；有(you)(you)水錘現象時要(yao)定(ding)(ding)制(zhi)(zhi)BURKERT電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)的開(kai)閉時間調節。 　　注意環(huan)境(jing)溫(wen)(wen)度(du)對BURKERT電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)的影響 　　電(dian)(dian)(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)(dian)(dian)流和消(xiao)耗(hao)功(gong)率(lv)(lv)應根(gen)據(ju)輸(shu)出容量選(xuan)(xuan)(xuan)(xuan)取，電(dian)(dian)(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)般(ban)(ban)允許(xu)±10%左右，必須(xu)注意交流起(qi)動(dong)時VA值較(jiao)高(gao)。 　　2、可靠性(xing)(xing) 　　BURKERT電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)分(fen)為(wei)常閉和常開(kai)二種；般(ban)(ban)選(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)常閉型(xing)，通電(dian)(dian)(dian)(dian)(dian)(dian)打開(kai)，斷電(dian)(dian)(dian)(dian)(dian)(dian)關(guan)閉；但在開(kai)啟時間很長關(guan)閉時很短(duan)時要(yao)選(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)常開(kai)型(xing)了。 　　壽命試驗(yan)，價(jia)格般(ban)(ban)屬于(yu)(yu)(yu)(yu)型(xing)式試驗(yan)項目，確切(qie)地說我國還沒有(you)(you)BURKERT電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)的標準(zhun)，因(yin)此(ci)選(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)BURKERT電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)價(jia)格時慎重。 　　動(dong)作時間很短(duan)頻率(lv)(lv)較(jiao)高(gao)時般(ban)(ban)選(xuan)(xuan)(xuan)(xuan)取直動(dong)式，大口徑(jing)(jing)選(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)快(kuai)速系(xi)列。 　　3、安(an)全性(xing)(xing) 　　般(ban)(ban)BURKERT電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)不防(fang)水，在條(tiao)件不允許(xu)時請選(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)防(fang)水型(xing)，價(jia)格可以定(ding)(ding)做(zuo)。 　　BURKERT電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)的zui高(gao)標定(ding)(ding)公(gong)稱(cheng)壓(ya)(ya)(ya)(ya)(ya)力定(ding)(ding)要(yao)超過管(guan)(guan)路內的zui高(gao)壓(ya)(ya)(ya)(ya)(ya)力，否(fou)則(ze)使用(yong)(yong)(yong)壽命會(hui)縮(suo)短(duan)或產(chan)生其它意外(wai)情況。 　　有(you)(you)腐(fu)蝕(shi)性(xing)(xing)液(ye)體的應選(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)全不銹(xiu)鋼(gang)型(xing)，強腐(fu)蝕(shi)性(xing)(xing)流體宜選(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)塑料王(wang)（SLF）BURKERT電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)。 　　爆炸性(xing)(xing)環(huan)境(jing)必須(xu)選(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)相應的防(fang)爆產(chan)品。 　　4、經濟性(xing)(xing) 　　有(you)(you)很多BURKERT電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)可以通用(yong)(yong)(yong)，但在能滿足以上三點的基礎上應選(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)的產(chan)品。