博世Rexroth力士樂電磁換向閥
4WE6D62/EG24N9K4，4WE6Y62/EG24N9K4，4WE6C62/EG24N9K4，4WE6A62/EG24N9K4，4WE6B62/EG24N9K4，4WE6J62/EG24N9K4，4WE6E62/EG24N9K4，4WE6M62/EG24N9K4，4WE6H62/EG24N9K4，4WE6HA62/EG24N9K4，4WE6G62/EG24N9K4，4WE6U62/EG24N9K5，4WE6L62/EG24N9K6，4WE10Y33/CG24N9K4，4WE10D33/CG24N9K4，4WE10C33/CG24N9K4，4WE10L33/CG24N9K4，4WE10U33/CG24N9K4，4WE10J33/CG24N9K4，4WE10E33/CG24N9K4，4WE10G33/CG24N9K4，4WE10H33/CG24N9K4，4WE6D62/EW230N9K4，4WE6Y62/EW230N9K4，4WE6J62/EW230N9K4，4WE6E62/EW230N9K4，4WE6G62/EW230N9K4，4WE6G62/EW110N9K4，4WE10D33/CW230N9K4，4WE10E33/CW230N9K4，4WE10J33/CW230N9K4，4WE10H33/CW230N9K4，4WE10G33/CW230N9K4，Z2S16-1-51，F(xiàn)D12FB21/200B03V，4WE10LB33/CG24N9K4，DR10DP2-43/75Y，DB10-2-52/100，4WE6J62/EG24N9K4，M-3SEW6U36/420WG24，3DREPE6C-20/25EG24K31/AOM，H-4WEH32J63/6EG24N9ETS2K4，
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換向閥是具有兩種以上流動(dòng)形式和兩個(gè)以上
油口的方向控制閥。是實(shí)現(xiàn)液壓油流的溝通、
切斷和換向，以及壓力卸載和順序動(dòng)作控制的閥門。
可分為手動(dòng)換向閥、電磁換向閥、電液換向閥等。
又稱克里斯閥，閥門的一種，具有多向可調(diào)的通道，可適時(shí)改變流體流向。
工作時(shí)借著閥外的驅(qū)動(dòng)傳動(dòng)機(jī)構(gòu)轉(zhuǎn)動(dòng)驅(qū)動(dòng)軸，帶動(dòng)搖拐臂，啟動(dòng)閥板，
使工作流體時(shí)而從左入口通向閥的下部出口，時(shí)而從右入口變換通向下部出口，
實(shí)現(xiàn)了周期變換流向的目的。這種變換閥在石油、化工生產(chǎn)中有著廣泛的應(yīng)用，
在合成氨造氣系統(tǒng)中zui為常用。此外，換向閥還可作成閥瓣式的結(jié)構(gòu)，
多用于較小流量的場(chǎng)合。工作時(shí)只需轉(zhuǎn)動(dòng)手輪通過閥瓣來變換工作流體的流向。
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