單向閥Z2S22-1-5X現(xiàn)貨特惠

單向閥是氣流只能一個(gè)方向流動(dòng)而不能反向流動(dòng)的方向控制閥。其工作原理與液壓?jiǎn)蜗蜷y一樣。壓縮空氣從P口進(jìn)入，克服彈簧力和摩擦力使單向閥閥口開(kāi)啟，壓縮空氣從P流至A；當(dāng)P口無(wú)壓縮空氣時(shí)，在彈簧力和A口(腔)余氣力作用下；閥口處于關(guān)閉狀 態(tài)，使從A至P氣流不通。單向閥應(yīng)用于不允許氣流反向流動(dòng)的場(chǎng)合，如空壓機(jī)向氣罐充氣 時(shí)，在空壓機(jī)與氣罐之間設(shè)置一單向閥，當(dāng)空壓機(jī)停止工作時(shí)，可防止氣罐中的壓縮空氣回流 到空壓機(jī)。單向閥還常與節(jié)流閥、順序閥等組合成單向節(jié)流閥、單向順序閥使用。

力士樂(lè)單向閥通過(guò)P口進(jìn)入的壓縮空氣，克服彈簧力和摩擦，使閥口打開(kāi)，壓縮空氣由P向A流動(dòng)；當(dāng)P口沒(méi)有壓縮空氣時(shí)，由彈簧力和A口(腔)余氣力作用；閥口處于關(guān)閉狀態(tài)，使A向P氣流不通。

力士樂(lè)單向閥常與節(jié)流閥、順序閥等結(jié)合在一起使用，稱為“單向順序閥"、“單向節(jié)流閥"。單項(xiàng)閥工作原理是用于不允許氣體反向流動(dòng)的場(chǎng)合，例如，當(dāng)空壓機(jī)的氣罐被充氣時(shí)，在空壓機(jī)和氣罐之間設(shè)置一個(gè)單向閥，當(dāng)空壓機(jī)停止工作時(shí)，可防止儲(chǔ)氣罐內(nèi)的壓縮空氣被吹入空壓機(jī)。

單向閥就是止回閥 旋啟式止回閥安裝位置不受限制，通常安裝于水平管路，但也可以安裝于垂直管路或傾斜管路上。

注意事項(xiàng)

安裝止回閥時(shí)，應(yīng)特別注意介質(zhì)流動(dòng)方向，應(yīng)使介質(zhì)正常流動(dòng)方向與閥體上指示的箭頭方向相一致，否則就會(huì)截?cái)嘟橘|(zhì)的正常流動(dòng)。底閥應(yīng)安裝在水泵吸水管路的底端。

止回閥關(guān)閉時(shí)，會(huì)在管路中產(chǎn)生水錘壓力，嚴(yán)重時(shí)會(huì)導(dǎo)致閥門、管路或設(shè)備的損壞，尤其對(duì)于大口管路或高壓管路，故應(yīng)引起止回閥選用者的高度注意。

止回閥只供防止各類管路或設(shè)備上流體介質(zhì)逆流的單向啟閉閥。

技術(shù)參數(shù)：

公稱通徑:21/16“~41/16“

工作壓力：2,000~15,000PSI

溫度：-60°C~+121°C(K,U)

產(chǎn)品規(guī)范級(jí)別：PSL3~4

產(chǎn)品性能級(jí)別：PR1~2

材料級(jí)別：AA~FF

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R900452416 Z4S16-2X/

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R900490756 Z4S6-1X/

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R900489356 Z4S6-1X/V 

單向閥Z2S22-1-5X現(xiàn)貨特惠