寶德寶帝burkert液位開關(guān)
分布直動式電磁閥
原理: 它是一種直動和先導(dǎo)式相結(jié)合的原理,當(dāng)入口與出口沒有壓差時,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)入口與出口達到啟動壓差時,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,先導(dǎo)閥利用彈簧力或介質(zhì)壓力推動關(guān)閉件,向下移動,使閥門關(guān)閉?!√攸c: 在零壓差或真空、高壓時亦能
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
001132*2 *寶德電磁閥
135923*2(178699 是替代型號) *寶德電磁閥
425285*4 *寶德電磁閥
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065438*1 *寶德電磁閥
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261769*12 *寶德電磁閥
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425285*2 *寶德電磁閥
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320856*10 *寶德電磁閥
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552779*1 *寶德電磁閥