SMC先導(dǎo)式零壓差電磁閥[產(chǎn)品打印頁面]

SMC先導(dǎo)式零壓差電磁閥

電話：O21-3952 9829/3O-8O1O
傳真：O21-6O83 1959
手機(jī)：189 1857 2467
Q：125 5O9 6653
聯(lián)系人：張海情
郵箱：8010@shqiantuo.com.cn

先導(dǎo)式零差壓啟動型2通電磁閥  VXZ
系列/CAD 閥形式 接管口徑 通徑 (mmφ)
VXZ22/23  N.C./N.O. 1/4～1 10～25
特長 空氣、水、油用。

工作原理
<Valve開有pressure>時
當(dāng)通電的線圈，電樞組件的吸引到u的
芯管組件i和先導(dǎo)閥被打開。
當(dāng)先導(dǎo)閥被打開，先導(dǎo)腔室內(nèi)部的壓力
減小，導(dǎo)致從進(jìn)氣壓力的壓力差。
然后，膜片組件e被取消，主閥處于
打開。
<Valve開時，沒有任何壓力或低分鐘pressure>下
電樞總成u和膜片組件E的連接
彼此電梯彈簧！0。當(dāng)銜鐵組件
被吸引，隔膜組件拉和主閥
被打開。
<Valve closed>
當(dāng)?shù)木€圈斷電，銜鐵裝配ü回報
回位彈簧r和先導(dǎo)閥的反力被關(guān)閉。
當(dāng)先導(dǎo)閥是關(guān)閉的，先導(dǎo)腔室內(nèi)部的壓力
增加，導(dǎo)致從進(jìn)氣壓力的壓力差
丟失和主閥關(guān)閉。

Working principles
<Valve opened – when there is pressure>
When the coil o is energized, the armature assembly u is attacted into
the core of the tube assembly i and the pilot valve is opened.
When the pilot valve is opened and the pressure inside the pilot chamber
decreases, resulting in the pressure difference from the inlet pressure.
Then the diaphragm assembly e is lifted and the main valve is
opened.
<Valve opened – when there is no pressure or under low minute pressure>
The armature assembly u and the diaphragm assembly e are connected
with each other with the lift spring !0. When the armature assembly
is attracted, the diaphragm assembly is pulled up and the main valve
is opened.
<Valve closed>
When the coil o is de-energized, the armature assembly u returns by
the reacting force of the return spring r and the pilot valve is closed.
When the pilot valve is closed, the pressure inside the pilot chamber
increases, resulting that the pressure difference from the inlet pressure
is lost and the main valve is closed.

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