?特價(jià)溢流閥DBDH10P/400

武穴黎翔機(jī)電設(shè)備有限公司，詢價(jià)聯(lián)系人：何女士

詢價(jià)電話：0713-6542758，手機(jī)：18934630908????

詢價(jià)傳真：0713-6542758

詢價(jià)QQ:?736567721,704552157

現(xiàn)貨特價(jià)型號(hào)：R900925687?4WRAE10W1-30-22/G24N9K31/F1V??2臺(tái)

D634-371C?R24K02MONSS2????3臺(tái)DG4V-3-6C-M-U-H7-60????10臺(tái)

DG4V-3-2N-M-U-H7-60????15臺(tái)DG4V-3-2A-M-U-H7-60????10臺(tái)

H-507848???

確保沒有外來顆粒從油箱的通氣蓋、油濾的塞座、回油管路的密封墊圈以及油箱其他開口處進(jìn)入油箱。,液壓閥是一種用壓力油操作的自動(dòng)化元件，它受配壓閥壓力油的控制，通常與電磁配壓閥組合使用，可用于遠(yuǎn)距離控制水電站油、氣、水管路系統(tǒng)的通斷。常用于夾緊、控制、潤滑等油路。有直動(dòng)型與先導(dǎo)型之分，多用先導(dǎo)型。

????液壓傳動(dòng)中用來控制液體壓力、流量和方向的元件。其中控制壓力的稱為壓力控制閥，控制流量的稱為流量控制閥，控制通、斷和流向的稱為方向控制閥。

????壓力控制閥

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????按用途分為溢流閥、減壓閥和順序閥。(1)溢流閥：能控制液壓系統(tǒng)在達(dá)到調(diào)定壓力時(shí)保持恒定狀態(tài)。用於過載保護(hù)的溢流閥稱為安全閥。當(dāng)系統(tǒng)發(fā)生故障，壓力升高到可能造成破壞的限定值時(shí)，

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????按用途分為單向閥和換向閥。單向閥：只允許流體在管道中單向接通，反向即切斷。換向閥：改變不同管路間的通、斷關(guān)系、根據(jù)閥芯在閥體中的工作位置數(shù)分兩位、三位等；根據(jù)所控制的通道數(shù)分兩通、三通、四通、五通等；根據(jù)閥芯驅(qū)動(dòng)方式分手動(dòng)、機(jī)動(dòng)、電動(dòng)、液動(dòng)等。圖2為三位四通換向閥的工作原理。P?為供油口，O?為回油口，A?、B?是通向執(zhí)行元件的輸出口。當(dāng)閥芯處於中位時(shí)，全部油口切斷，執(zhí)行元件不動(dòng)；當(dāng)閥芯移到右位時(shí)，

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R900971365?DBETE-5X/350G24K31M-27

R900971364?DBETE-5X/315G24K31M-27

P?與A?通，B?與O?通；當(dāng)閥芯移到左位時(shí)，P?與B?通，A?與O?通。這樣，執(zhí)行元件就能作正、反向運(yùn)動(dòng)。?60年代后期，在上述幾種液壓控制閥的基礎(chǔ)上又研制出電液比例控制閥。它的輸出量(壓力、流量)能隨輸入的電信號(hào)連續(xù)變化。電液比例控制閥按作用不同，相應(yīng)地分為電液比例壓力控制閥、電液比例流量控制閥和電液比例方向控制閥等。1）螺紋連接閥門?

DBDS10K18/25，?DN10DBDS-10K10/315?，DBDS6K1X/315，DBDH10P/400，DBDH6P1X/315，DBDS30G1X/315，DBDS10P1X/200，DBDS6G1X/315,DBDS10K1X/315，DBDS20K1X/315，?DBDS20P1X/200，DBDS20P10，DBDS30P1X/200V,DBDS30K1X/315V，DBDS30K1X/315，DBDS30K1X/25,DBDS25G1X/315，DBDA20P1X/25，DBDA20G1X/25，DBDA20K1X/100，DBDA20K1X/25V，DBDH20K1X/50，DBDA15G1X/25，DBDA10P1X/，?DBDA10G1X/630V，DBDA10G1X/25V，DBDA10K1X/400，DBDH10P1X/50V，DBDH10G1X/315V，DBDS10P1X/25V，DBDS10K1X/315V，DBDA6P1X/25，DBDA6G1X/315V，DBDS6P1X/200V，DBDS6G1X/315，DBDH25G1X/50，DBDS20P1X/315，DBDS20P1X/100，DBDS20G1X/400V，DBDS20G1X/315V，DBDS20K1X/25，DBDH15G1X/100V，DBDH10P1X/315，DBDH6P1X/50V，DBDH6K1X/400，DBDH6K1X/315，DBDS6P1X/100，DBDS20G1X/100V，DBDH10K1X/50，DBDS6P1X/50V，DBDS6K1X/200，DBDS10P1X/50，DBDS10G1X/315V，DBDA6G1X/400V，DBDH6G1X/315V，DBDS6P1X/315V，DBDS6P1X/200，DBDS30G1X/200V，DBDS30G1X/100，DBDH25G1X/100V，DBDS25G1X/315V，DBDS25G1X/315V，DBDA20G1X/50V，DBDA20?K1X/50V，DBDS20G1X/400，DBDS20K1X/50，DBDS15G1X/400，DBDA10P1X/25V，DBDH10P1X/50，DBDH10G1X/400，DBDS10P1X/630V，DBDS10G1X/25V，

DBDS10K1X/25，DBDA8G1X/25V，DBDH8G1X/400，DBDH6P1X/100V，DBDS6P1X/50，DBDS6K1X/50，DBDH30G1X/25，DBDH30K1X/25，DBDS30G1X/50，DBDS30K1X/200，DBDA20P1X/100，DBDH20P1X/25，?DBDS20P1X/315，DBDS20P1X/50，DBDS20K1X/50V，DBDH10G1X/100，DBDH10K1X/200，?DBDS10G1X/630，?DBDS10K1X/315，?DBDA6K1X/100V，DBDH6G1X/400V，?DBDS6G1X/25，DBDH10P1X/200V，DBDH10K1X/630V，DBDS10G1X/25，DBDS6G1X/400V，DBDS6G1X/400V，DBDS6K1X/400V，DBDS6K1X/50V，DBDS6K1X/50V，DBDS20K-10/100，?DBDS20K-10/25，DBDS6K121X/100，?DBDS10-P-1X/200?，DBDS10K18/25?，DBDH6G1/315，?DBDH6G18/400/12，DBD15G10/315，?DBDS6K1X/200，?DBDS20P1X/315

　　這種連接通常是將閥門進(jìn)出端部加工成錐管或直管螺紋，可使其連接到錐管螺紋接頭或管路上。由于這種連接可能出現(xiàn)較大的泄漏溝道，故可用密封劑、密封膠帶或填料來堵塞這些溝道。如果閥體的材料是可以焊接的，但膨脹系數(shù)差異很大，或者工作溫度的變化幅度范圍較大，螺紋連接部必須進(jìn)行蜜封焊。螺紋連接的閥門主要