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首頁 > 行業新聞> 雙光盤檢查閥：管道系統的“監護人”
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雙光盤檢查閥：管道系統的“監護人”

雙光盤止回閥是一種非返回閥，旨在防止介質的反向流動。它具有兩個對稱的半圓形盤，使其廣泛用於各種流體運輸系統。
Dual Plate Check Valve0-1

工作原理

閥內的兩個圓盤通過鉸鏈連接到中央軸。當介質向前流動時，壓力將雙盤推到軸上旋​​轉並打開，從而形成了一個毫無障礙的流動路徑。如果發生反向流動，則圓盤在反向壓力和自身重力的作用下迅速關閉，將閥門緊密地安裝在擋閥中以阻塞回流，從而保護管道和設備免受損壞（例如水錘）的傷害。

結構特徵

  • 雙光盤設計：兩個對稱的圓盤在打開時最大程度地減少流動阻力。關閉後，它們提供了一個較大的密封區域，可確保可靠的密封性能並減少水錘影響。
  • 材料選擇：閥體通常由鑄鐵，碳鋼或不銹鋼製成，以適應不同培養基（例如水，蒸汽，油產品）的腐蝕性，溫度和壓力要求。圓盤和閥座通常採用金屬對金屬或橡膠密封，以平衡耐磨性和密封。
  • 緊湊的結構：與單盤止回閥相比，它具有更緊湊的尺寸，適用於安裝空間有限的方案。

申請

它通常用於供水和排水系統，加熱管道，工業循環水系統，石化植物等。它特別適合大直徑管道（例如，DN100及以上），可以有效地控制具有穩定性和經濟的高流量介質的單向流動。
憑藉快速打開和關閉，低流阻力和強錘阻力等優點，雙盤止回閥已成為確保管道系統安全操作的重要組成部分。
July 02, 2025
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