氣動球閥工作原理與開啟關閉-山東達瑞科流體控制有限公司_贝拉电竞

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氣動球閥工作原理與開啟關閉

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氣動球閥工作原理與開啟關閉

發布日期:2017-12-14 作者: 點擊:

閥門的作用都是将液體或氣體截留住,使它不能随意通過。不同種類的閥門的用途不一樣,氣動球閥就是一類被廣泛應用于航空煤油、天然氣、液化氣、管道煤氣等管道上的一種閥門。接下來我們将來詳細了解下氣動球閥工作原理。氣動閥門廠家 

氣動球閥工作原理:雙關雙斷及洩放功能閥門的工作原理關鍵是安裝在旋塞上的兩片密封滑片的動作。

氣動球閥工作原理還可以詳細分為幾個部分來說,如下:

閥門關閉:

閥門關閉時,先旋轉手輪,将旋塞及密封滑片旋轉90°,然後旋塞向下移動,随着旋塞的運動時推動密封滑片向閥體内腔封面直至彈性密封圈被均勻地擠壓到閥孔上下端,形成密封。

閥門開啟:

閥門開啟時,先旋轉手輪提升旋塞,将密封滑片從閥體兩側密封面拉回。當滑片完全收回脫離閥體密封面後,繼續轉動手輪,使旋塞及密封滑片旋轉90°,閥門處于開啟位置。

關于密封:

彈性密封圈是模壓成型在滑片的溝槽中,随着密封滑片向閥門的進出口移動,密封圈子也逐漸被壓入溝槽中,經過機械加工的滑片表面與閥體内腔形成二級金對金屬密封防止彈性密封圈子繼續被壓,并且具有防火功能。

雙關雙斷及洩放:

這是一種通過兩個切斷閥和一個在其中間的洩放閥達到完全隔斷兩端管線目的的方法,關閉兩主要閥門關開啟洩放閥可提高被系統的安全性。如果第一個閥門洩漏,漏離的介質可由開啟的洩放閥導出。

雙密封方式:

兩個獨立的密封滑片在閥孔上下端壓緊(雙關斷),當閥門關閉時,洩放閥被打開,檢驗密封效果(洩放)


本文網址: 贝拉电竞

關鍵詞:氣動閥門廠家,電動閥門廠家,調節閥門廠家

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