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熱門關鍵詞：聚丙烯PP管塑料通風管 PP風管 PP管材 PP方管 PP阻燃管 PP通風管 PP管 PP成型管

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怎么查验PP風管焊接

作者：admin 編輯：admin 來源：未知 2020-06-15 14:35

怎么查验PP風管焊接

目前普遍运用于施工中的 pp管衔接方式有：

PP管在裝置和施工過程中針對相應的情況標准確定，直管必須先運用切管器切割,必須使承口十分平坦,承口端刺進電焊套部分不得有1mm以上刮痕或變形.運用過之電焊套不得再次運用,如電焊套有破損或變形,應予擱置不得運用.如接失敗,應更換新的電焊套從頭焊接,若因電焊套進行中因電源堵截而失敗,待徹底冷卻後再插上二次線從頭進行焊接.如焊接完成後需當即加應力于管上,能夠澆冷水使其冷卻.將管子或配管零件之接合端部份以砂紙磨掉外表層,如外表尚有油脂,應用氯乙烯或丙酮拭淨；將兩頭刺進電焊套,兩頭必需插達電焊套之中間點,刺進時兩頭點不得有水.然後刺進焊接控制器之二次線,開始焊接.過程中不得移動或碰觸及中途堵截電源或使二次線接合點松脫.焊接完成一小時後俟接合點徹底冷卻才能夠加壓于管內及由外扳動管子,以確保接合點不變形.

　　PP風管能處理硫酸霧(H2SO)、氯化氫(HCL)、氟化氫(HF)、鉻酸霧(CrO3)、氰氫酸(HCN)、硫化氫(H2S)、氨氣(NH3)等。

　　①淨化液要及時替換，加藥時注意安全。

　　②要經常查看各轉動部件，發現故障了要及時掃除，確保洗刷塔的處理作用。

PP管焊接後查驗：

(1),目視查驗：再焊接前,中,後目視使其不行發生如下之景象：

A.焊接突緣不平坦,太***或太小.

B.兩管不在同一軸線上.

C.焊接突緣外表有光澤(代表過熱,且發生過***之冷卻應力).

(2),非破壞性查驗：

A.以電子槍式銜接一支金屬針以便測出焊接處漏氣點與不純物.

B.X光查驗：可由X光圖中查驗出所有不***景象.

C.機械及破壞性查驗：

PP管作爲一種新型的水管材料，PP管具有得天***厚的***勢，它既能夠用作冷管，也能夠用作熱水管，因爲其無毒、質輕、耐壓、耐腐蝕，正在成爲一種推廣的材料。也適用于熱水管道，乃至純淨飲用水管道。PP管的接口選用熱熔技術，管子之間徹底交融到了一起，所以一旦裝置打壓測試通過，不會象鋁塑管一樣存在時間長了老化漏水現象，並且PP管不會結垢。
PP風管

PP風管

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