電動襯氟調節閥安裝及維護保養-上海冠高閥門制造有限公司_168体育网页版

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168体育网页版

網站地圖 | XML地圖 | 英文版冠高閥門.中國 | Shanghai GuanGao Valve Manufacturing Co., Ltd.
2014/12/16-電動襯氟調節閥安裝及維護保養

電動襯氟調節閥氟塑料或塑料襯裡的耐腐蝕閥門及管路附件,由于其固有的特殊性質,在産品的安裝、維護及保養等方面具有以下的特點:
  
  1.閥門或管件法蘭蓋闆不能随意拆開,除非己準備與管路連接,否則PTFE法蘭面可能因溫差、異物造成磕碰劃傷或扭曲變形而影響密封,如因檢驗需要而移動蓋闆,也必須待檢驗後速将蓋闆重新複位,以保護PTFE法蘭面。
  
  2.氟塑料或塑料襯裡閥門及管件與管路連接時,一般并不在單獨使用墊片,但與異種材料(金屬面等)法蘭面相接時,應采用适當墊片,以保護PTFE法蘭面。
  
  3.産品在系統使用中,如在較高下發生洩漏,應首先将系統溫度降至室溫後,再查明原因,進行維修。
  
  4.不允許在閥門及管件上做任何高溫焊接工作,以免造成襯裡層的永久損害。
  
  5.安裝是法蘭螺母應按對角線方面(對稱)依次均勻旋緊,并配以适當力矩:
  
  (1)法蘭密封面發生洩漏,并且洩漏位置螺母已經鎖緊,此時應放松洩漏位置螺母半圈,在将其對側施以同樣力矩再次鎖緊。
  
  (2)上述辦法仍未止漏時,應檢驗PTFE法蘭面時否有凹凸壓痕、劃傷,屆時可用細紗紙、布予以整平重新連接。
  
  6.閥門及管件應存放于幹燥通風的室内,嚴禁堆疊放置。
  
  7.長期存放的閥門其密封副應呈微啟分離狀态,避免密封長期受壓發生永久變形,影響密封性能和使用壽命。
  
  8.手動操作閥門時,不允許借助其它杠杆加力強行開、關閥門。
  
  9.有方向性要求的閥門在安裝是要注意介質的流向應順閥體少上箭頭所示向,并确保操作、維修方便。
  
  10.經維修後的閥門使用前要按相關标準測試合格後方可安裝。

 


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