使用靈活:日本SMC電磁閥

開啟主閥介質流通.當線圈 斷電時電磁力消失,此時動鐵芯在自重和彈簧力的作用下關閉導閥 孔,此時介質在平衡孔中進入主閥芯上腔,使上腔壓力升高,此時 在彈簧復位和壓力的作用下關閉主閥,介質斷流.結構合理,動作 可靠,在零壓差時工作也可靠.如:ZQDF,ZS,2W 等.（圖二是 典型結構圖）
,分步(bu)直(zhi)動式電(dian)磁(ci)閥(fa)(fa)(fa)該閥(fa)(fa)(fa)采用(yong)次(ci)開閥(fa)(fa)(fa)和(he)(he)(he)二次(ci)開閥(fa)(fa)(fa)連在(zai)體,主(zhu)(zhu)閥(fa)(fa)(fa)和(he)(he)(he)導閥(fa)(fa)(fa)分步(bu)使電(dian)磁(ci)力(li)(li) 和(he)(he)(he)壓差直(zhi)接開啟(qi)主(zhu)(zhu)閥(fa)(fa)(fa)口(kou). 當線圈通(tong)(tong)電(dian)時, 產生電(dian)磁(ci)力(li)(li)使動鐵芯 和(he)(he)(he) 靜鐵芯吸合(he),導閥(fa)(fa)(fa)口(kou)開啟(qi)而導閥(fa)(fa)(fa)口(kou)設在(zai)主(zhu)(zhu)閥(fa)(fa)(fa)口(kou)上,且動鐵芯與主(zhu)(zhu)閥(fa)(fa)(fa) 芯連在(zai)起,此時主(zhu)(zhu)閥(fa)(fa)(fa)上腔的壓力(li)(li)通(tong)(tong)過導閥(fa)(fa)(fa)口(kou)卸(xie)荷,在(zai)壓力(li)(li)差和(he)(he)(he)電(dian) 磁(ci)力(li)(li)的同時作用(yong)下使主(zhu)(zhu)閥(fa)(fa)(fa)芯向上運動,

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使用靈活:日本SMC電磁閥