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    REXROTH電磁閥液壓裝置中容易產(chǎn)生噪聲的元件一般認(rèn)為是泵和閥，閥中又以溢流閥和電磁換向閥等為主。產(chǎn)生噪聲的因素很多。

    力士樂(lè)電磁閥的噪聲有流速聲和機(jī)械聲二種。流速聲中主要由油液振動(dòng)、空穴以及液壓沖擊等原因產(chǎn)生的噪聲。機(jī)械聲中主要由閥中零件的撞擊和磨擦等原因產(chǎn)生的噪聲。

    REXROTH電磁閥由閥體、閥罩、電磁組件、彈簧及密封結(jié)構(gòu)等部件組成，動(dòng)鐵芯底部的密封塊借助彈簧的壓力將閥體進(jìn)氣口關(guān)閉。通電后，電磁鐵吸合，動(dòng)鐵芯上部帶彈簧的密封塊把排氣口關(guān)閉，氣流從進(jìn)氣口進(jìn)入膜頭，起到控制作用。

    當(dāng)力士樂(lè)電磁閥失電時(shí)，電磁力消失，動(dòng)鐵芯在彈簧力作用下離開固定鐵芯，向下移動(dòng)，將排氣口打開，堵住進(jìn)氣口，膜頭氣流經(jīng)排氣口排出，膜片恢復(fù)原來(lái)位置。在我們的制氧設(shè)備中，在透平膨脹機(jī)進(jìn)口薄膜調(diào)節(jié)閥的緊急切斷等處有應(yīng)用。

    力士樂(lè)電磁閥爆炸性環(huán)境：必須選用相應(yīng)防爆等級(jí)產(chǎn)品，露天安裝或粉塵多場(chǎng)合應(yīng)選用防水，防塵品種。

    REXROTH電磁閥公稱壓力應(yīng)超過(guò)管內(nèi)zui高工作壓力。

上海維特銳在德國(guó)與REXROTH合作，可長(zhǎng)期穩(wěn)定供應(yīng)REXROTH電磁閥，REXROTH換向閥，REXROTH油泵，REXROTH導(dǎo)軌，力士樂(lè)柱塞泵等產(chǎn)品

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