BURKERT氣動(dong)膜片(pian)閥裝配(pei)時的技術要(yao)求(qiu)
BURKERT氣動(dong)膜片(pian)閥由(you)氣動(dong)薄膜多彈(dan)簧(huang)執行(xing)機(ji)構(gou)和精小(xiao)型(xing)單座(zuo)閥組成,多(duo)彈簧(huang)執行(xing)機(ji)構(gou)高(gao)度(du)低(di)、重(zhong)量輕(qing)、裝備(bei)簡(jian)便(bian),精小(xiao)型(xing)閥體結(jie)構(gou)緊湊(cou)、流(liu)道通(tong)暢(chang),具(ju)有(you)較大的流(liu)量系數。
BURKERT氣動(dong)膜片(pian)閥適用於(yu)對泄(xie)露(lu)量要(yao)求(qiu)嚴格(ge)、閥前後壓(ya)差(cha)低(di)及有(you)壹定(ding)粘(zhan)度(du)和含少(shao)量纖(xian)維介(jie)質(zhi)的場合。閥門組裝前處(chu)理(li)要(yao)求(qiu):1、根(gen)據(ju)加(jia)工(gong)要(yao)求(qiu),部(bu)分(fen)零(ling)部(bu)件需(xu)要(yao)做拋光處(chu)理(li),表(biao)面(mian)不(bu)能有(you)加(jia)工(gong)毛刺等;2、所(suo)有(you)零(ling)部(bu)件進行(xing)脫脂(zhi)處(chu)理(li);3、脫脂(zhi)完(wan)成後進(jin)行(xing)酸(suan)洗鈍(dun)化,清洗劑(ji)不(bu)含磷(lin);4、酸洗鈍(dun)化後用純凈水沖(chong)洗幹凈,不(bu)能有(you)藥(yao)劑(ji)殘(can)留,碳鋼(gang)部(bu)件省(sheng)去(qu)此步驟(zhou);5、逐(zhu)個(ge)零(ling)部(bu)件用無(wu)紡(fang)布進(jin)行(xing)擦(ca)幹,不(bu)能有(you)線(xian)毛等留存(cun)部(bu)件表面(mian),或者(zhe)用潔凈的氮(dan)氣進(jin)行(xing)吹幹;6、用無(wu)紡(fang)布或(huo)者精(jing)密(mi)濾(lv)紙(zhi)沾分(fen)析(xi)純酒精對(dui)逐(zhu)個(ge)零(ling)部(bu)件進行(xing)擦(ca)拭,直至(zhi)沒(mei)有(you)臟色(se)。
閥門裝配(pei)時技(ji)術要(yao)求(qiu):1、安(an)裝車間(jian)必(bi)須保(bao)證(zheng)潔凈,或者(zhe)搭(da)建(jian)臨時的潔凈區域(yu),例(li)如用新購的彩條布或(huo)者塑料(liao)薄膜等,防(fang)止在(zai)安(an)裝過程中有(you)灰(hui)塵(chen)進入(ru)。2、BURKERT氣動(dong)膜片(pian)閥裝配(pei)工人(ren)必(bi)須身(shen)著潔(jie)凈的純棉(mian)工(gong)作(zuo)服(fu),頭(tou)戴(dai)純棉(mian)帽,頭發不(bu)能外漏,腳(jiao)穿(chuan)幹凈鞋子,手(shou)戴(dai)塑膠(jiao)手(shou)套,脫脂(zhi)。3、裝配(pei)用工具(ju)必(bi)須在(zai)裝配(pei)前進(jin)行(xing)脫脂(zhi)清洗,保(bao)證(zheng)潔凈。
BURKERT氣動(dong)膜片(pian)閥控制器(qi)的內(nei)漏,壹般(ban)指(zhi)的是(shi)當(dang)電動閥門*關(guan)閉之(zhi)後,仍(reng)有(you)介(jie)質(zhi)從電(dian)動(dong)閥門的流(liu)通(tong)通(tong)徑出(chu)口流(liu)出(chu)、滲漏或(huo)滴(di)漏(lou)等情況,通(tong)俗點(dian)來說,就(jiu)是(shi)關不(bu)嚴,密(mi)封(feng)不(bu)好(hao);該故(gu)障(zhang)的原因,通(tong)常是(shi)由(you)於(yu)介質(zhi)的沖蝕(shi)磨損,或(huo)含有(you)雜(za)質(zhi)等原因造成;即(ji)使將電(dian)動閥門絲(si)杠(gang)(閥桿)旋(xuan)緊(jin)到(dao)位(wei),由(you)於(yu)閥芯和閥體之(zhi)間(jian)仍(reng)有(you)縫(feng)隙,介質(zhi)還可(ke)以(yi)流(liu)過去(qu)。
閥門控(kong)制器(qi)的外漏,壹般(ban)指(zhi)的是(shi)當(dang)電動閥門*閉(bi)合或(huo)開(kai)啟(qi)後,電(dian)動(dong)閥門填(tian)料(liao)的外部密(mi)封(feng)部(bu)件,出(chu)現介質(zhi)的滲漏(lou)。即(ji)BURKERT氣動(dong)膜片(pian)閥控制器(qi)與(yu)連接(jie)法蘭(lan)或(huo)連接(jie)螺紋(wen)之(zhi)間(jian),密封(feng)不(bu)嚴從(cong)而導(dao)致(zhi)介質(zhi)流(liu)出(chu)連接(jie)密封(feng)面(mian),或(huo)者是(shi)閥桿與(yu)格(ge)蘭(lan)(即(ji)閥桿上(shang)壓盤根(gen)的壓蓋(gai))間(jian)密封(feng)不(bu)嚴導(dao)致的介質(zhi)泄漏(lou),或(huo)者(zhe)是(shi)閥體毛坯上(shang)有(you)沙(sha)眼導致的外泄漏(lou),以(yi)及因介(jie)質(zhi)沖蝕(shi)導(dao)致(zhi)閥體磨損產(chan)生的外泄漏(lou)。
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