ASCO上海總 NFB316E044V：先導式電磁閥：原理：通電時，電磁力把先導孔打開，上腔室壓力迅速下降，在關 電磁閥 閉件周圍形成上低下高的壓差，流體壓力推動關閉件向上移動，閥門打開；斷電時，彈簧力把先導孔關閉，入口壓力通過旁通孔迅速腔室在關閥件周圍形成下低上高的壓差，流體壓力推動關閉件向下移動，關閉閥門。

ASCO上海總  NFB316E044V：電磁閥從閥結構和材料上的不同與原理上的區別，分為六個分支小類：直動膜片結構、分步直動膜片結構、先導膜片結構、直動活塞結構、分步直動活塞結構、先導活塞結構。現貨551系列ASCO電磁閥8210系列電磁閥

ASCO上海總

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ASCO上海總
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美國ASCO   阿斯卡電磁閥    NFB316E044V*