日本SMC減壓閥￥廣州smc氣動(dòng)元件

smc減壓閥的基本作用原理是靠閥內(nèi)流道對(duì)水流的局部阻力降低水壓，水壓降的范圍由連接閥瓣的薄膜或活塞兩側(cè)的進(jìn)出口水壓差自動(dòng)調(diào)節(jié)。定比減壓原理是利用閥體中浮動(dòng)活塞的水壓比控制，進(jìn)出口端減壓比與進(jìn)出口側(cè)活塞面積比成反比，這種減壓閥工作平穩(wěn)無振動(dòng)，使得國內(nèi)減壓閥生產(chǎn)技術(shù)進(jìn)一步提高;閥體內(nèi)無彈簧，故無彈簧銹蝕、金屬疲勞失效之慮;密封性能良好不滲漏，因而既減動(dòng)壓(水流動(dòng)時(shí))又減靜壓(流量為0時(shí));特別是在減壓的同時(shí)不影響水流量。減壓閥通常有DN15～DN100等多種規(guī)格，閥前、后的工作壓力分別為<1MPa和0.1～0.5MPa，調(diào)壓范圍誤差為±5%～10%。

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日本SMC減壓閥￥廣州smc氣動(dòng)元件
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順時(shí)針調(diào)節(jié)手輪，調(diào)壓彈簧被壓縮，推動(dòng)膜片組件下移，通過閥桿，打開閥芯，則入口氣壓力經(jīng)閥芯節(jié)流降壓，壓力輸出 
出口壓力氣體經(jīng)反饋管進(jìn)入膜片下腔，在膜片產(chǎn)生一個(gè)向上的推力。當(dāng)此推力與調(diào)壓彈簧力平衡時(shí)，出口壓力便穩(wěn)定一定在值。 　　

1）普通型減壓閥，出口壓力不要超過進(jìn)口壓力的85%；精密減壓閥，出口要壓力不要超過進(jìn)口壓力的90%。輸出壓力不得超過設(shè)定壓力的zui大值。
2）連接配管要充分吹洗。
3）空氣的流動(dòng)方向按箭頭方向安裝，不得裝反。
4）使用塑料材質(zhì)的減壓閥，應(yīng)避免陽光直射