高真(zhen)(zhen)空(kong)(kong)氣(qi)動擋板(ban)閥是構成真(zhen)(zhen)空(kong)(kong)系(xi)統(tong)與真(zhen)(zhen)空(kong)(kong)設備的一個組成部分，它裝(zhuang)在(zai)被(bei)(bei)抽(chou)容器(qi)與各(ge)種高低真(zhen)(zhen)空(kong)(kong)泵之間，通(tong)(tong)過電磁換向(xiang)閥改變氣(qi)路方(fang)向(xiang)，使閥板(ban)開啟或關閉(bi)，從而達到在(zai)真(zhen)(zhen)空(kong)(kong)系(xi)統(tong)中接通(tong)(tong)或切(qie)斷氣(qi)流(liu)的目的。其使用范圍為105～10-5帕(pa)，通(tong)(tong)常(chang)連接于油擴散泵或油增壓泵上，適用介質為純(chun)凈空(kong)(kong)氣(qi)和非腐蝕性氣(qi)體，被(bei)(bei)廣泛地(di)應用在(zai)電子(zi)工(gong)業、化學(xue)工(gong)業、真(zhen)(zhen)空(kong)(kong)冶金(jin)工(gong)業、原(yuan)子(zi)能工(gong)業、食品工(gong)業等領(ling)域(yu)。
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