寶德寶帝burkert液位開關(guān)
分布直動(dòng)式電磁閥
原理: 它是一種直動(dòng)和先導(dǎo)式相結(jié)合的原理,當(dāng)入口與出口沒有壓差時(shí),通電后,電磁力直接把先導(dǎo)小閥和主閥關(guān)閉件依次向上提起,閥門打開。當(dāng)入口與出口達(dá)到啟動(dòng)壓差時(shí),通電后,電磁力先導(dǎo)小閥,主閥下腔壓力上升,上腔壓力下降,從而利用壓差把主閥向上推開;斷電時(shí),先導(dǎo)閥利用彈簧力或介質(zhì)壓力推動(dòng)關(guān)閉件,向下移動(dòng),使閥門關(guān)閉?!√攸c(diǎn): 在零壓差或真空、高壓時(shí)亦能
寶德寶帝burkert液位開關(guān)
147188*1 *寶德電磁閥
316530*4 *寶德電磁閥
126150*2 *寶德電磁閥
184309*10 *寶德電磁閥
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135923*2(178699 是替代型號(hào)) *寶德電磁閥
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552779*1 *寶德電磁閥