供應 4WE6D6X/EG24N9K73L/SO407 

力士樂換向閥是利用閥芯相對于閥體的相對運動，實現油路換接，或者是接通、關斷，從而實現液壓執行元件的啟動、停止或改變運動方向。

對換向閥的基本要求是，液流通過閥的壓力損失要小，泄漏要小，換向要求平穩可靠。 
換向閥的種類很多，按閥芯的結構分，有滑閥式和轉閥式兩種。滑閥式換向閥用的多，有如下優點:較為簡單的結構，有高度的換效能，閥芯徑向力均衡，操作力低，摩擦小，易于實現多種控制功能。按操作方式分有手動、機動、電動、液動、電液動等多種。按閥芯工 
作在閥體內所處的位置區分有二位和三位閥。按換向閥的接口分有二通、三通、四通和五通四種。 
1、滑閥式換向閥的工作原理和機能 
我們以力士樂公司WE型三位四通電磁換向閥為例來說明。圖10是結構圖，主要由閥體（1）、電磁鐵（2）、滑閥（3）及復位彈簧（4）等組成。電磁鐵不通電時，滑閥即閥芯由復位彈簧保持在中間位置或初始位置（對于二位閥）。在此位置，所有油口 P. T. A. B靠閥芯上的肩和閥體上的環形槽的結構關系都是相互隔開的。

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電磁閥：4WE6、4WE10、4WE16；
電液閥：4WEH10H、4WEH16、4WEH25，
單向閥：S10A、S20A、Z1S、Z2S、SL10、SL20、SV10、SV20、RVP，
插裝閥：LC、LFA
溢流閥：DB、DBW、DBET、DBD、ZDB、Z2DB，
減壓閥：DR6DP、DR10DP、ZDR6、ZDR10、DR-4X、DR-5X
節流閥：Z2FS6、Z2FS10、Z2FS16、Z2FS22；
調速閥：2FRM5、2FRM10、2FRM16，
平衡閥：FD12FA、FD12PA、FD12KA、FD16FA，

聯系人：姜經理 陳經理

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