4WEH16E7X/6EG24N9EK4/B10D3電液換向閥 德國博世力士樂REXROTH電磁閥 電液換向閥

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4WEH16E7X/6EG24N9EK4/B10D3電液換向閥

4WEH..型方向閥

型號4WEH..型方向閥WEH型方向閥是-種電液操作的方向滑閥。它們用于控制液流的開啟、停止和方向。

此類閥組成主要包括閥體( 1 )主控制閥芯(2 )一個或兩個復位彈簧( 3.1 )和(3.2 ),帶一個或兩個電磁鐵:電磁鐵"a” (5.1 ),電磁鐵"b" (5.2 )的先導閥(4)。

主閥閥芯由彈簧或液壓力保持在中位或初始位置。在初始位置, 兩個彈簧腔( 6 )和( 8 )通過先導閥無壓的油箱連通。經(jīng)過控制油路(7 )向先導閥(4)供油�？刂撇纯梢杂蓛�(nèi)部或外部供給( 外部供給油口X )當先導閥操作時,如電磁鐵"a”得電,先導滑閥(10)向左移動,因此彈簧腔(8)獲得先導油壓力而彈簧腔(6)保持無壓狀態(tài)。

先導壓力施壓于主閥芯的左端, 并克服彈簧力( 3.1),其結(jié)果,主閥的P至B和A至T被接通。當電磁鐵斷電,先導閥回復至初始位置(帶定位機構(gòu)滑閥除外),彈簧腔( 8 )向油箱卸荷。

控制油從彈簧腔經(jīng)先導閥排入Y口�？刂朴涂蓛�(nèi)部或外部供油和回油外部經(jīng)油口Y )可選擇的應(yīng)急手動操作( 9 ),在電磁鐵不通電情況下,可對先導滑閥( 10 )進行操作。

電液換向閥是用控制油路中的壓力油推動閥芯，變換流體流動方向的控制閥

電液換向閥是電磁換向閥和液控換向閥的組合，它是用電磁換向閥控制液控換向閥的動作，變換流體流動方向的控制閥。

電液換向閥和液控換向閥主要用在流量超過電磁換向閥正常工作允許范圍的液壓系統(tǒng)中，對執(zhí)行元件的動作進行控制，或?qū)τ鸵旱牧鲃臃较蜻M行控制。

4WEH16E7X/6EG24N9EK4/B10D3電液換向閥型號

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力士樂REXROTH充液閥

力士樂REXROTH充液閥的夾層板ZSF

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力士樂REXROTH充液閥的夾層板ZSFW

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力士樂REXROTH充液閥SF

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R900565008 SF200A1-1-4X//12

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R901301428 SF300K0-1-4X/V

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R901426756 SF350A1-1-4X/V

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R900571653 SF500A1-1-4X/

R900533690 SF500A1-1-4X/SO80

R901388315 SF500B1-1-4X/

力士樂REXROTH充液閥SFA

R901100835 SFA25G0-1X/M/01

R900955984 SFA32G0-1X/M/01

R900958303 SFA32G1-1X/M/01

R900955985 SFA32GT0-1X/M/01

R900964465 SFA40F0-1X/M/01

R900964466 SFA40F1-1X/M/01

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R900737034 SFA80F1-1X/M/01

R901168305 SFA80FT0-1X/M/01

R901163071 SFA80FT1-1X/M/01

力士樂REXROTH充液閥SFE

R901092734 SFE100P0-1X/M

R901088382 SFE100Z0-1X/M

R987148721 SFE100Z1-1X/M

R987148721 SFE100Z1-1X/M

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R901025973 SFE32Z0-1X/M

R901057417 SFE40P0-1X/M

R901070943 SFE40Z0-1X/M

R901045603 SFE50P0-1X/M

R901000131 SFE50Z0-1X/M

R901057429 SFE63P0-1X/M

R901066620 SFE63Z0-1X/M

R901092726 SFE80P0-1X/M

R901066991 SFE80Z0-1X/M

力士樂REXROTH充液閥，主動切換SFS

安全閥結(jié)構(gòu)主要有兩大類：彈簧式和杠桿式。彈簧式是指閥瓣與閥座的密封靠彈簧的作用力。杠桿式是靠杠桿和重錘的作用力。隨著大容量的需要，又有一種脈沖式安全閥，也稱為先導式安全閥，由主安全閥和輔助閥組成。當管道內(nèi)介質(zhì)壓力超過規(guī)定壓力值時，輔助閥先開啟，介質(zhì)沿著導管進入主安全閥，并將主安全閥打開，使增高的介質(zhì)壓力降低。