全鍛鋼高壓硬密封球閥【廠 廠家 供應商】-山東達瑞科流體控制有限公司_贝拉电竞

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全鍛鋼高壓硬密封球閥

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全鍛鋼高壓硬密封球閥

  • 所屬分類:球閥

  • 點擊次數:
  • 發布日期:2018/04/25
  • 規格:
  • 類型:
  • 在線詢價
  • 詳細介紹

閥門的安裝與維護:

1、閥門安裝:

  (1)安裝前須檢查産品型号、位号及規格是否吻合,檢查整機零件是否缺損與松動。

  (2)在安裝前,對管道應進行清洗,閥門入口處要有足夠的直管段,并配有過濾器。閥體與管道的法蘭連接,要注意同軸度。

  (3)閥門安裝前,應先徹底清洗管道。

  (4)安裝場地應考慮到人員設備的安全,既便于操作,又有利于拆裝與維護。

  (5)閥門應正立垂直安裝在水平管道上,不得已時可傾斜安裝,盡量避免水平安裝,閥自重量較大或有振動的場合,要用支撐架。

  (6)介質流動方向應與閥體上的箭頭指向一緻。氣源應幹燥、無油。閥門應在環境溫度-20~55℃場所使用。 

2、閥門維護:

  (1)清洗閥門:對清洗一般介質,隻要用水洗淨就可以。但對清洗有害健康的介質,首先要了解其性質,再選用相應的清洗辦法。

  (2)閥門的拆卸:将外露表面生鏽的零件先除鏽,但在除鏽前,要保護好閥座、閥芯、閥杆與推杆等精密零件的加工表面。拆裝閥座時應使用專用工具。

  (3)閥座:密封面有較小的鏽斑與磨損,可用機械加工的方法進行,如損壞嚴重必須換新。但不管修理或更換後的硬密封面,都必須進行研磨。

  (4)閥杆:表面損壞,隻能換新。

  (5)推杆、導向與密封表面的損壞:對反作用執行機構必須換新,而對正作用執行機構,可用适當的修理後使用。

  (6)壓縮彈簧:如有裂紋等影響強度的缺陷,必須換新。

  (7)易損零件:填料、密封墊片與O型圈,每次檢修時,全部換新。閥芯、膜片必須檢查是否有預示将來可能發生的裂紋、老化與腐蝕痕迹,根據檢查結果,決定是否更換,但膜片使用期一般最多2-3年。

      (8) 閥門組裝要注意對中,螺栓要在對角線上擰緊,滑動部分要加潤滑油。組裝後應按産品出廠測試項目與方法調試,并在這期間,可準确地調整填料壓緊力、閥芯關閉位置。


閥門訂貨須知:

訂貨時請填寫《規格書》或注明以下内容:

1、若訂貨前未選定型号,請向我們提供使用參數:

  (1)公稱通徑DN(mm);

  (2)公稱壓力(Mpa或bar);

  (3)流體性質(包括介質溫度、粘度或酸堿性);

  (4)閥前與閥後壓力(壓差);

  (5)流量特性要求;

  (6)閥體、閥芯材料;

  (7)連接形式;

  (8)驅動方式(提供氣源壓力、驅動電壓);

  (9)配套附件(氣動閥門建議用戶安裝空氣過濾器三聯件與二位五通電磁閥 );

  (10)現場工況。

2、 若已經由設計單位選定我公司的産品型号,請按型号直接向我司生産部訂購; 

3、 當使用的場合非常重要或管路比較複雜時,請您盡量提供設計圖紙和詳細參數,由我們的專家為您審核把關。


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