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武穴黎翔機電設備有限公司，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

電磁換向閥4WEH10J3X/CW230N9K4帶插頭螺栓

充液閥是一種特殊的液控單向閥，一個方向止流，另一個方向自由流通，先導動作是由油口供壓的控制閥芯用液壓實現的，由此而直接打開主閥。這種閥為疊加系統(tǒng)而設計，即在一個基礎件上，可以疊加各種各樣的其它類別液壓閥。其主要作用是從油箱（或充液油箱）向液壓缸或者系統(tǒng)補充油液，以免出現吸空現象。帶控制的充液閥還能起快速排油的作用。

2.2充液閥的典型結構

充液閥有常閉式和常開式兩種典型結構。

(1)常閉式充液閥

常閉式充液閥有不可控式和可控式兩種形式，不可控式充液閥，它是由閥芯、導向套、復位彈簧、閥體和連接法蘭等主要零件組成。閥芯是蘑菇形的，結構較緊湊，流阻損失??；閥芯重量輕慣性小，動作靈敏。

對于可控式充液閥?？刂朴屯ㄈ肟刂聘椎纳锨唬刂苹钊涂墒归y芯開啟。控制缸上腔接油箱時，控制活塞在彈簧的作用下復位?？刂聘紫虑慌c充液油箱是想通的。這兩種結構的充液閥都直接安裝在液壓缸的端部，安裝方便，節(jié)省了與工作液壓缸連接的管道

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