阿托斯比例減壓閥AGMZO-TERS-10/210/I 屬高壓閥系列，適用于冶金、石油、液壓、水壓試驗機(jī)組上。主要用途：是采用節(jié)流耗能達(dá)到降壓的功能，能使高壓、超高壓設(shè)備和高壓管道內(nèi)的高壓水通過此閥將高壓水降至低壓所需壓力后排出，使高壓系統(tǒng)壓力均勻降低。由油缸、閥體兩部分組成。而節(jié)流孔板和高壓調(diào)節(jié)閥設(shè)計為一體，閥門開關(guān)排泄流量和降壓由液壓缸行程控制。能任意調(diào)整排泄壓力及流量，安全，方便。導(dǎo)閥的開啟都是利用頂部的調(diào)節(jié)螺栓順時針方向擰動，使彈簧縮產(chǎn)生的彈力，使導(dǎo)閥膜片向下凹陷，作用在導(dǎo)閥連桿上的力，使之向下位移打開導(dǎo)閥。當(dāng)導(dǎo)閥開啟后，上游進(jìn)汽管段A腔的蒸汽通過α通道（供汽調(diào)節(jié)通道），經(jīng)過導(dǎo)閥進(jìn)入導(dǎo)閥環(huán)形汽腔，由β通道直接送到下面的活塞汽缸上腔。在A腔蒸汽不斷的供給下，壓力持續(xù)升高，推動活塞下行打開主閥，這時蒸汽源源不斷從A腔流至B腔。當(dāng)下游出口管段B腔負(fù)荷滿足的情況下，余多的蒸汽又使B腔內(nèi)的壓力不斷升高。不斷升高的壓力通過γ通道（壓力感應(yīng)通道）反饋到導(dǎo)閥膜片下腔，使導(dǎo)閥膜片向上突起，克服了上部調(diào)節(jié)彈簧的壓力，導(dǎo)閥被關(guān)小或關(guān)閉。從而，關(guān)小或關(guān)閉來自上游α通道的蒸汽源。當(dāng)活塞汽缸上腔壓力下降時，在下面復(fù)位彈簧的作用下，主閥被關(guān)小或關(guān)閉，這時B腔內(nèi)的壓力開始下降，這樣周而復(fù)始達(dá)到調(diào)壓的目的AGMZO-A-10/100
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