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專業生產銷售大口徑厚壁國標螺旋鋼管,廠內加工防腐/保溫/涂塑

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鍍鋅保溫鋼管

Product name
鍍鋅保溫鋼管

產品描述/ Product Description

鍍鋅保溫鋼管

鍍鋅保溫鋼管施工要求:

1、燃氣、天然氣采用鍍鋅保溫鋼管,高壓管道遠距離輸送。

2、為了防腐鍍鋅,在長途運輸中,一般在幾十公里至100公里處設置電桿防護試驗站。站內儀表產生陰極電子填充管道,鍍鋅表面有利于導電銹。管子是均勻充注的。

3、為防止管道內陰極電子的損失,鍍鋅管在安裝前用電鞣(瀝青和石英粉的混合物)和牛皮紙、二油二紙或三油三紙填充。頭部焊接后,應同等對待。絕緣電阻不應小于0.5mn,用低壓380V/220V檢查管道是否擊穿。

4、在輸氣管道側面,距離50cm處,在同一溝槽內預埋數十米接地鍍鋅l”管接地膠帶,并在試驗站引入鍍鋅鐵帶。

5、如果氣體或天然氣在壓力下泄漏并突破絕緣層,電子進入土地,返回接地區并進入檢測儀器,并立即從儀器中反射出來??山M織泄漏距離和管道故障部位進行人工修復。

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