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偏心旋轉閥:具有機械創新的精確流量控制

一個偏心的旋轉閥,也稱為偏心塞閥或旋轉控制閥,是一種專門的流量控制裝置,旨在平衡工業過程中的精確度,耐用性和效率。它獨特的怪異設計使其與傳統閥門不同,非常適合需要密封,低扭矩操作以及在具有挑戰性的環境中可靠的性能的應用。
Eccentric Rotary Control Valve(Camflex Valve)

1。 設計基礎:怪異原則

偏心旋轉閥的定義特徵是閥軸和插頭(或圓盤)中心線之間的偏移(偏心)對齊。該設計創造了兩個關鍵優勢:
  1. 減少摩擦:偏心偏移可確保僅在旋轉的最後階段插頭接觸座椅,從而最大程度地減少磨損和摩擦。
  2. 機械楔形:隨著插頭的旋轉,偏心的幾何形狀會產生一個密封力,該密封力會隨著壓力增加而收緊,從而增強了關閉性能。

關鍵組件:

  • 插頭/圓盤:通常是橢圓形的或球形的,由不銹鋼,合金製成或塗有耐磨性材料(例如,碳化鎢)。
  • 座椅:用於多功能密封選項的金屬對金屬或軟(PTFE,彈性體)。
  • 偏心軸:將插頭連接到執行器,以最小的扭矩傳輸旋轉運動。
  • 閥體:由碳鋼,不銹鋼或外來合金製成,可耐腐蝕。
June 21, 2025
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