進口DBDH6P1X/50現(xiàn)貨銷售

上海弘佩液壓設(shè)備有限公司是一家從事經(jīng)營國外進口液壓氣動備件、自動化儀表的貿(mào)易公司；專注于工業(yè)傳動自動化流體領(lǐng)域。主營產(chǎn)品電磁閥、柱塞泵、數(shù)控模塊、伺服電機、可編程控制器、傳感器、氣動元件、工業(yè)儀器儀表等。經(jīng)營品牌有：博世力士樂rexroth、阿托斯ATOS、Parker派克、EATON VICKERS伊頓、穆格MOOG、YUKEN油研，哈威HAWE、賀德克HYDAC等進口品牌。
進口DBDH6P1X/50現(xiàn)貨銷售

單向閥又稱止回閥或逆止閥。用于液壓系統(tǒng)中防止油流反向流動,或者用于氣動系統(tǒng)中防止壓縮空氣逆向流動。
單向閥有直通式和直角式兩種。直通式單向閥用螺紋連接安裝在管路上。直角式單向閥有螺紋連接、板式連接和法蘭連接三種形式。液控單向閥也稱閉鎖閥或保壓閥，它與單向閥相同，用以防止油液反向流動。但在液壓回路中需要油流反向流動時又可利用控制油壓，打開單向閥，使油流在兩個方向都可流動。液控單向閥采用錐形閥芯，因此密封性能好。在要求封閉油路時，可用此閥作為油路的單向鎖緊而起保壓作用。液控單向閥控制油的泄漏方式有內(nèi)泄式和外泄式二種。在油流反向出口無背壓的油路中可用內(nèi)泄式；否則需用外泄式，以降低控制油壓力。
進口DBDH6P1X/50現(xiàn)貨銷售

單向閥的作用
（1）普通單向閥的作用是使油液只能沿著一個方向流動,不允許反向倒流.
（2）它的用途是：安裝在泵的出口,可防止系統(tǒng)壓力沖擊對泵的影響,另外,泵不工作時,可防止系統(tǒng)油液經(jīng)泵倒流回油箱,單向閥還可用來分隔油路,防止干擾.單向閥與其他閥組合便可組成復(fù)合閥.單向閥與其他閥可組成液控復(fù)合閥
（3）對于普通液控單向閥,當(dāng)控制口無控制壓力時,其作用與普通單向閥一樣；當(dāng)控制口有控制壓力時,通油口接通,油液便可在兩個方向自由流動.
（4）它的主要用途是：可對液壓缸進行鎖閉；作立式液壓缸的支承閥；起保壓作用.
進口DBDH6P1X/50現(xiàn)貨銷售

單向閥是氣流只能一個方向流動而不能反向流動的方向控制閥。其工作原理與液壓單向閥一樣。壓縮空氣從P口進入，克服彈簧力和摩擦力使單向閥閥口開啟，壓縮空氣從P流至A；當(dāng)P口無壓縮空氣時，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的場合，如空壓機向氣罐充氣 時，在空壓機與氣罐之間設(shè)置一單向閥，當(dāng)空壓機停止工作時，可防止氣罐中的壓縮空氣回流 到空壓機。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。

進口DBDH6P1X/50現(xiàn)貨銷售為防止因誤操作而錯誤地向有人工作的設(shè)備合閘送電，要求一經(jīng)合閘即可送電到工作地點的斷路器和隔離開關(guān)的操作把手上，均應(yīng)懸掛禁止合閘，有人工作!標(biāo)示牌。防止突然來電的防護性措施：對突然來電進行防護，采取的主要防護措施或者說是的防護措施是裝設(shè)接地線。裝設(shè)接地線包括合上接地刀閘和懸掛臨時接地線。對于工作人員的安全意識差，安全思想淡薄，安全技術(shù)素質(zhì)低下，無論多么周密細致的安全措施都顯得無能為力。因而，我們應(yīng)在抓好突然來電防護的同時，加強安全思想教育，安全技術(shù)培訓(xùn)，堅決杜絕習(xí)慣性違章行為，把安全，預(yù)防為主的方針真正落到實處，提高工作人員的素質(zhì)，是當(dāng)務(wù)之急。
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