行業動態

先導式溢流閥的三節同心與兩節同心介紹

更新日期:2023-02-17
摘要:  先導式底濾閥比較普遍的有哪幾種框架表現形式,即三節同舟各類兩節同舟。三節同舟式先導底濾閥都屬于早前車輛,當今在國···

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電液換向閥是由電磁換向閥和液控換向閥組合而成的,其中電磁換向閥用于改變通到液動換向閥兩端控制油路的流向,以改變閥芯的工作位置。稱其為先導閥;液動換向閥用來控制液壓系統中的執行元件。這種操控方式,實現了用較小的電磁鐵吸力來控制主油路大流量的換向,適用于大流量的液壓系統。 電液換向閥主閥芯的對中方式有彈簧對中和液壓對中兩種方式,當選用彈簧對中時,先導閥應選用Y型機能的電磁換向閥,以******當主閥芯處于中位時,兩端的控制油腔的液壓油保持與油箱連通,處于卸荷狀態,容易使主閥芯保持在中間位置。當采用液壓對中時,先導閥應選用P型電磁換向閥,確保主閥芯在中位時,兩端保持有液壓控制油,使主閥芯兩端壓力平衡,保持在中位。 電液換向閥的控制油路進油方式還分為內部進油和外部進油兩種,回油方式也有內部回油和外部回油兩種,可以根據系統實際需要靈活選擇。 1753-1T 501-1T MBP-03 MPW-01-2-40 DSHG-04-3C4-T-D24-52 電磁溢流 BG-06-32 BDW30B MSA-01-Y-50 MSW-01-X-50
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