?進口布赫閥DBDRB-1L-160-3-3?24V?DC

武穴黎翔機電設(shè)備有限公司，詢價聯(lián)系人：何女士

詢價電話：0713-6542758，手機：18934630908????

詢價傳真：0713-6542758

詢價QQ:?736567721,704552157

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

液壓系統(tǒng)設(shè)計時為提高系統(tǒng)穩(wěn)定性，減少負載變化對速度的影響，要么犧牲部分我們想實現(xiàn)的功能，要么增加額外的液壓元件，如調(diào)速閥、壓力控制閥等，通過增加阻尼，提高系統(tǒng)速度剛度來提高系統(tǒng)的穩(wěn)定性。但是這樣元件的增加又會降低效率，浪費能源；還會使得整個系統(tǒng)的可靠性降低、增加成本。?

　　?（2）由于換向結(jié)構(gòu)的特殊性，使得用戶在實現(xiàn)某一功能時必須購買相應的液壓元件，再加上工程機械廠家會根據(jù)不同最終用戶要求設(shè)計出相應的功能，這樣會造成生產(chǎn)廠家采購同類、多規(guī)格的液壓控制元件來滿足不同功能要求的需要，不利于產(chǎn)品通用化及產(chǎn)品管理，同時會大大提高產(chǎn)品成本。?

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DBDSB-1L-250-2-3?12V?DC

DBDSB-1L-250-2-3?24V?DC

DBDSB-1LG-250-2-2?12V?DC?M100

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DBDSB-1LG-250-2-3?12V?DC

DBDSB-1LG-250-2-2?12V?DC+GALA1

DBDRB-1LG-230-2-3?12V?DC

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DBDRB-1L-350-2-3?24V?DC?J

DBDRB-1L-025-4-3?24V?DC

DBDRB-1L-063-4-3?24V?DC

DBDRB-1L-100-3-3?24V?DC

DBDRB-1L-160-3-3?O.MAGNETSP

DBDRB-1L-230-2-3?24V?DC

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DBDRB-1L-100-3-3?12V?DC

DRDRA-7GG-03-3-2?24V?DC?J

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DDRRZ-7080-4-H-2?12V?DC+GAAZ1

DDRRZ-7030-3-2?12V?DC

　　?（3）由于執(zhí)行機構(gòu)進出液壓油通過一根閥芯進行控制，單獨控制執(zhí)行機構(gòu)兩側(cè)壓力是不可能的。因此，出油側(cè)背壓作用于執(zhí)行機構(gòu)運動的反方向，隨著出油側(cè)背壓升高，為保質(zhì)執(zhí)行機構(gòu)的運動，必須提高進油側(cè)壓力。這樣會使得液壓系統(tǒng)消耗的功能增加，效率低，發(fā)熱增加。?

DDRRZ-7080-4-2?24V?DC

DDRRZ-7080-4-2?12V?DC

DDRRZ-7080-4-2?8V?DC

DDRRZ-7080-4-2?12V?DC?M100

DBDRB-1L-350-2-3?12V?DC

DBDRB-1L-350-2-3?12V?DC+GALA1

DBDSB-1L-250-2-3?24V?DC?DT

DBDSB-1L-250-2-3?24V?DC?JT

DBDRB-1L-025-4-3?24V?DC+GALA1

DBDSB-1LG-210-2-3?24V?DC?DT

DBDSB-1LG-210-2-3?24V?DC

DDRRZ-7110-4-2?12V?DC

DBDSB-1LG-018-4V-3?24V?DC

DDRRZ-7110-4-2?24V?DC

DDRRZ-7080-4-V-2?12V?DC

DDRRZ-7080-4-H-2?12V?DC

DDRRZ-7080-4-H-2?12V?DC+GAAZ1

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DRPSB-5B-250-16-1?24=DT+GEBAA1

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DBVSA-1LG-160-5-3?24=JT+GALA1

DBDRB-1L-160-3-3?24V?DC+GALA1

　　?采用雙閥芯技術(shù)的液壓系統(tǒng)，由于執(zhí)行機構(gòu)進出油側(cè)閥口閥芯位置及控制方式各自獨立，互不影響，這樣通過對兩閥芯控制方式的不同組合，利用軟件編程能很好解決傳統(tǒng)單閥系統(tǒng)不能解決的問題，同時還可以輕易實現(xiàn)傳統(tǒng)液壓系統(tǒng)中難以實現(xiàn)的功能。?

QX52-063L12

QX43-020L12

QX61-250/63-125R333

QX52-063L65

QX43-020L65

QX61-250/63-125R86

QX52-063L66

QX43-020L66

QX61-250/64-125R228-1

QX52-063R

QX43-020R

QX61-250/64-125R333

QX52-063R-Y

QX43-020R06

QX62-080/32-010R

QX52-063R06

QX43-020R09

QX62-080/32-010R09

QX52-063R09

液壓閥是一種用壓力油操作的自動化元件，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。有直動型與先導型之分，多用先導型。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)動方式分手動，機動，電動，液動等。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。當閥芯處於中位時，全部油口切斷，執(zhí)行元件不動；當閥芯移到右位時，P?與A?通，B?與O?通；當閥芯移到左位時，P?與B?通，A?與O?通。這樣，執(zhí)行元件就能作正、反向運動。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）能隨輸入的電信號連續(xù)變化。電液比例控制閥按作用不同，相應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。

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