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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(guò)濾,、未潤(rùn)滑壓縮空氣,，過(guò)濾精度40 祄 過(guò)濾、已潤(rùn)滑的壓縮空氣,，過(guò)濾精度 40 祄 介質(zhì)溫度 -10 - 60 °C 環(huán)境溫度 -10 - 60 °C

費(fèi)斯托無(wú)論是在歐美還是在亞非,，工業(yè)發(fā)達(dá)國(guó)家還是發(fā)展中國(guó)家，F(xiàn)ESTO供應(yīng)的都是同一高質(zhì)量標(biāo)準(zhǔn)的產(chǎn)品和服務(wù),，

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(kāi)度使P2增大,。若反時(shí)針旋轉(zhuǎn)旋鈕1,，閥口10的開(kāi)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(lái)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(lái)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(kāi)大，節(jié)流作用減小,，使輸出壓力也基本回到原來(lái)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(kāi),，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(wú)輸出狀態(tài),。

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JMFH-5-1/8-NPT JMFH-5-1/4-NPT JMFH-5-1/8-S JMFH-5-1/4-S
JMFH-5/2-D-1-C JMFH-5/2-D-2-S-C JMFH-5/2-D-3-S-C
JMFH-5/2-D-2-C JMFH-5/2-D-3-C JMFH-5/2-D-1-S-C
JMFH-5-1/8-S-NPT JMFH-5-1/4-S-NPT JMFH-5-3/8-B
JMFH-5-3/8-S-B JMFH-5-1/4-B JMFH-5-1/4-S-B
JMFH-5-1/8-B JMFH-5-1/8-S-B JMFH-5-1/2-S
JMFH-5-PK-3 JMFH-5-1/8-EX JMFH-5-1/4-EX
JMFH-5-1/2-EX JMFH-5-1/8-S-EX JMFH-5-1/4-S-EX
JMFH-5-1/2-S-EX JMFH-5-1/8-B-EX JMFH-5-1/4-B-EX
JMFH-5-3/8-B-EX JMFH-5-1/8-S-B-EX JMFH-5-1/4-S-B-EX
JMFH-5-3/8-S-B-EX JMFH-5/2-D-1-C-EX JMFH-5/2-D-2-C-EX
JMFH-5/2-D-3-C-EX JMFH-5/2-D-1-S-C-EX JMFH-5/2-D-2-S-C-EX
JMFH-5/2-D-3-S-C-EX JMFH-5-1/8 MOFH-3-1/8-NPT MOFH-3-1/4-NPT
MOFH-3-3/4 MOFH-3-M5 MOFH-3-1/8-EX MOFH-3-1/4-EX
MOFH-3-1/2-EX MOFH-3-3/4-EX MOFH-3-1/4 MOFH-3-1/8
MOFH-3-1/2 JMFDH-5-1/4 JMFDH-5/2-D-1-C
JMFDH-5/2-D-2-C JMFDH-5/2-D-3-C JMFDH-5/2-D-1-C-EX
JMFDH-5/2-D-2-C-EX JMFDH-5/2-D-3-C-EX JMFDH-5-1/8-EX
JMFDH-5-1/4-EX JMFDH-5-1/8 NVF3-MOH-5/2-K-1/4-NPT
NVF3-MOH-5/2-K-1/4-EX NVF3-MOH-5/2-K-1/4-IA-EX
MEBH-3/2-1/8-B MEBH-3/2-5,0-B MEBH-3/2-1/8-P-B
MEBH-5/2-1/8-B MEBH-5/2-5,0-B MEBH-5/2-1/8-P-B
MEBH-5/2-1/8-S-B MEBH-5/2-5,0-S-B MEBH-5/2-1/8-P-S-B
MEBH-5/2-1/8-L-B MEBH-5/2-5,0-L-B MEBH-5/2-1/8-P-L-B
MEBH-5/2-1/8-L-S-B MEBH-5/2-5,0-L-S-B MEBH-5/2-1/8-P-L-S-B
MEBH-5/3G-1/8-B MEBH-5/3G-5,0-B MEBH-5/3G-1/8-P-B
MEBH-5/3G-1/8-S-B MEBH-5/3G-5,0-S-B MEBH-5/3G-1/8-P-S-B
MEBH-5/3E-1/8-B MEBH-5/3E-5,0-B MEBH-5/3E-1/8-P-B
MEBH-5/3E-1/8-S-B MEBH-5/3E-5,0-S-B MEBH-5/3E-1/8-P-S-B
MEBH-5/3B-1/8-B MEBH-5/3B-5,0-B MEBH-5/3B-1/8-P-B
MEBH-5/3B-1/8-S-B MEBH-5/3B-5,0-S-B MEBH-5/3B-1/8-P-S-B
MEBH-3/2-1/8-B-110AC MEBH-5/2-1/8-B-110AC MEBH-5/2-1/8-L-B-110AC 
LR-1/4-D-I-MIDI   費(fèi)斯托減壓閥           FESTO減壓閥