二(er)位(wei)二(er)通(tong)直動(dong)(dong)式(shi)電(dian)(dian)(dian)(dian)磁閥(fa)(fa)(fa)和二(er)位(wei)三通(tong)直動(dong)(dong)式(shi)電(dian)(dian)(dian)(dian)磁閥(fa)(fa)(fa)是(shi)帶有兩個(ge)或三個(ge)接(jie)口以及兩個(ge)切換開(kai)關(guan)位(wei)置的電(dian)(dian)(dian)(dian)動(dong)(dong)電(dian)(dian)(dian)(dian)磁閥(fa)(fa)(fa)。這些閥(fa)(fa)(fa)門在外(wai)部(bu)完全密封(feng)(feng),特別(bie)適(shi)用于(yu)液(ye)體、氣體、受污染臟的或帶有毒(du)性(有毒(du))有毒(du)的介質(zhi)。即(ji)使密封(feng)(feng)件(jian)完全磨損,也不會有工藝(yi)介質(zhi)溢出(chu)-閥(fa)(fa)(fa)門會始終保(bao)持其密封(feng)(feng)性。閥(fa)(fa)(fa)門可以選(xuan)裝(zhuang)(zhuang)配件(jian),例如手動(dong)(dong)選(xuan)擇控制裝(zhuang)(zhuang)置,各多(duo)種限位(wei)開(kai)關(guan),安(an)裝(zhuang)(zhuang)支架,各多(duo)種電(dian)(dian)(dian)(dian)氣插頭連(lian)接(jie)或用于(yu)降低(di)電(dian)(dian)(dian)(dian)流的特殊的PWM插頭。
密封性