FESTO減壓閥LR-1/4-D-I-MIDID:系列減壓閥的特性：尺寸 Midi型,；系列 D；驅(qū)動(dòng)器鎖 旋轉(zhuǎn)手柄,，帶鎖定；設(shè)計(jì)結(jié)構(gòu) 直接控制的膜片式減壓閥,；控制器功能 輸出壓力恒定,；帶初壓補(bǔ)償；帶第二排氣通道,，具有回流 工作介質(zhì) 過濾,、未潤(rùn)滑壓縮空氣，過濾精度40 祄 過濾,、已潤(rùn)滑的壓縮空氣,，過濾精度 40 祄 介質(zhì)溫度 -10 - 60 °C 環(huán)境溫度 -10 - 60 °C

FESTO減壓閥LR-1/4-D-I-MIDID產(chǎn)品詳情：

減壓閥的壓力為P1的壓縮空氣，由左端輸入經(jīng)閥口10節(jié)流后,，壓力降為P2輸出,。P2的大小可由調(diào)壓彈簧2、3進(jìn)行調(diào)節(jié),。順時(shí)針旋轉(zhuǎn)旋鈕1,，壓縮彈簧2、3及膜片5使閥芯8下移,，增大閥口10的開度使P2增大,。若反時(shí)針旋轉(zhuǎn)旋鈕1，閥口10的開度減小,，P2隨之減小,。

若P1瞬時(shí)升高,，P2將隨之升高，使膜片氣室6內(nèi)壓力升高,，在膜片5上產(chǎn)生的推力相應(yīng)增大,，此推力破壞了原來力的平衡，使膜片5向上移動(dòng),，有少部分氣流經(jīng)溢流孔12,、排氣孔11排出。在膜片上移的同時(shí),，因復(fù)位彈簧9的作用,，使閥芯8也向上移動(dòng)，關(guān)小進(jìn)氣閥口10,，節(jié)流作用加大,，使輸出壓力下降，直至達(dá)到新的平衡為止,，輸出壓力基本又回到原來值,。若輸入壓力瞬時(shí)下降，輸出壓力也下降,、膜片5下移,，閥芯8隨之下移，進(jìn)氣閥口10開大,，節(jié)流作用減小,，使輸出壓力也基本回到原來值。逆時(shí)針旋轉(zhuǎn)旋鈕1,。使調(diào)節(jié)彈簧2,、3放松，氣體作用在膜片5上的推力大于調(diào)壓彈簧的作用力,，膜片向上曲,，靠復(fù)位彈簧的作用關(guān)閉進(jìn)氣閥口10。再旋轉(zhuǎn)旋鈕1,，進(jìn)氣閥芯8的頂端與溢流閥座4將脫開,，膜片氣室6中的壓縮空氣便經(jīng)溢流孔12、排氣孔11排出,，使閥處于無輸出狀態(tài),。

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