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公司名稱:廊坊東潤密封材料有限公司

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新聞中心

金屬纏繞墊的使用方法有哪些?

發布時間:2021-11-05瀏覽次數:4179返回列表

      金屬纏繞墊片(基本型)采用SUS304、SUS316("V"形或"W"形)金屬帶及其它合金材料與石墨、石棉、聚四氟乙烯、無石棉等軟性材料相互重疊螺旋纏繞而成,在開始及末端用點焊方式將金屬帶固定。
  金屬纏繞墊片的使用參數和鋼包墊片的系數
  纏繞墊片使用壓力:≤25MPa
  纏繞墊片使用溫度:-196℃-700℃(氧化性介質中不高于600℃)
  預緊壓力:Y=70.0±1Mpa
  墊片系數:M=2.5~4.0,適用于熱交換器、壓力容器、泵、閥及法蘭面密封。但回彈力有限。鋼包墊片系指內部用非金屬材料(柔性石墨聚四氟乙烯、石棉橡膠板、陶瓷纖維)等,外部用特定的冷作工藝包覆金屬薄板的復合型墊片,按墊片截面通常分為平面型包覆及波紋型包覆兩種,是傳統的一種密合墊片,適用于熱交換器、壓力容器、泵、閥及法蘭面密封。但回彈力有限,需要求法蘭表面平坦及緊固力很高才能達到良好效果。根據不同材料可以組合成304不銹鋼包石棉包覆墊片,不銹鋼包石墨包覆墊片等多種形式。
  金屬纏繞墊片質量至上才能購買放心;金屬纏繞墊片:金屬纏繞墊片是目前應用廣泛的一種密封墊片,為半金屬密合墊中回彈性好的墊片,由V形或W形薄鋼帶與各種填充料交替纏繞而成,能耐高溫、高壓和適應溫或真空下的條件使用。

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