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氣動O型球閥：工業流體控制的關鍵設備

氣動O型球閥是工業場中流體控制的重要閥，在許多行業中起著至關重要的作用。
它巧妙地與氣動執行器和O形圈球閥結合在一起。球體是核心成分，其上的圓形開口與管道的直徑匹配。閥桿將球形連接到執行器，從而傳遞能力以實現球體的旋轉。執行器使用壓縮空氣作為電源，通常包括活塞類型，單個表演和雙重作用。當閥門失去空氣時，它將自動打開或完全關閉以確保安全。當雙重動作失去空氣時，閥將保持其當前位置。
它的工作原理是由氣源壓力驅動的。收到控制信號後，執行器將氣體源壓力轉換為活塞上的扭矩。當扭矩大於閥桿的反向扭矩時，閥桿將球驅動到旋轉至約90°，完成閥門的打開並關閉並準確控制流體流動。
氣動O型球閥具有顯著的優勢。在性能方面，筆直穿過鑄閥主體與硬化的球形表面相匹配，該表面具有耐磨性，使用壽命長，流量高和低流動性；在操作過程中，動作是可靠的，響應很快，並且可以快速切斷或打開液體；在控制方面，控制系統相對簡單，可以輕鬆實現自動化和遙控器。此外，它具有出色的密封性能和各種密封材料可供選擇，從而有效防止流體洩漏。
在規格方面，名義直徑通常在DN15和DN450之間，標稱壓力為PN16-64MPA，並且適用的溫度因密封類型而變化。
在石化工業中，它可以承受嚴格的工作條件並準確控制原材料和產品的運輸；在天然氣運輸中，可以快速切斷氣流以確保安全。在食品和藥品等行業中，衛生級氣動O型球閥符合高清潔流體控制的要求。
隨著工業自動化的發展，氣動的O型球閥正在不斷創新和升級，朝著智力和高性能邁進，並不斷為工業流體控制領域做出貢獻。
August 02, 2025
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