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公稱通徑:DN15-DN500
公稱壓力:1.0Mpa-6.4Mpa
適用溫度:-20℃~90℃
適用介質:水、水和乙二醇混合液
閥體材質:鑄鐵、鑄鋼、碳鋼、不銹鋼
連接方式:法蘭連接
復(fu)合式(shi)排(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)閥(fa)(空(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)(qi)閥(fa))主要用(yong)(yong)于城市輸(shu)水管道和壓力流管道。它讓管路中液(ye)流前(qian)(qian)方被推壓的(de)(de)空(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)(qi)排(pai)出管道,以便叫管道*充(chong)水。一旦排(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)完畢,它就(jiu)*關閉不在(zai)打開(kai),直到管道排(pai)水放空(kong)(kong)的(de)(de)時候(hou)或出現負壓的(de)(de)時候(hou),它才打開(kai),吸入大量的(de)(de)空(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)(qi),破壞(huai)真空(kong)(kong),保護管路。它還經(jing)常(chang)與(yu)微量排(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)閥(fa)裝在(zai)一處或作為(wei)微量排(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)與(yu)高速(su)排(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)/吸氣(qi)(qi)(qi)(qi)(qi)(qi)三功能復(fu)合閥(fa)使(shi)用(yong)(yong),即可在(zai)充(chong)水/排(pai)水時高速(su)排(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)/吸氣(qi)(qi)(qi)(qi)(qi)(qi),也(ye)可在(zai)系統正常(chang)運行(xing)時排(pai)除微量空(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)(qi)。復(fu)合式(shi)排(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)閥(fa)(空(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)(qi)閥(fa))經(jing)常(chang)被安裝在(zai)深井泵出口止回閥(fa)之前(qian)(qian),用(yong)(yong)于水泵啟動時排(pai)除吸水管路中的(de)(de)大量空(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)(qi),而在(zai)停泵時吸入空(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)(qi)破壞(huai)真空(kong)(kong)。
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