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                排水管道專用熱縮套

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                熱收縮套俗稱死套,也叫圓桶套,熱縮套內層是高粘接力熱熔膠,外層是由輻照交聯過的PE基材制作而成。目前普遍用于塑料排水管道、塑料檢查井連接與密封。


                熱收縮套主要優勢:

                1. 粘接力強,密封閉水效果好;

                2. 收縮率大,充分發揮熱縮套閉水效果;

                3. 收縮快,施工方便快捷。


                操作程序:

                1. 預置:先將熱收縮套連同隔離膜套入管道一端,將需要連接的管道兩端水平對齊,注意讓兩段管道之間的間隙盡量小,如間隙大于15mm,則用膠棒填充管端縫隙。

                2. 清潔:清除管道接頭處的油污及沙土。

                3. 預熱:對接頭處的管壁預熱至70℃左右。

                4. 砂毛:對已經預熱好的需要粘接的管壁沿圓周方向砂毛,有明顯砂毛痕跡。

                5. 安裝:趁熱將套管移至接頭處居中放置,取出隔離膜,從中間沿圓周方向均勻加熱,使其完全收縮后再分別向兩端延伸加熱。加熱時熱收縮套允許受熱溫度不得超過250℃。待全部收縮完后,再重新加熱表面有酒窩的地方,使其完全平整。整體加熱完畢后,應再重新加熱一遍,以使熱熔膠充分溢出。熱縮過程中用壓輥將熱縮套碾壓幾遍,并重點碾壓熔合搭接處,排除氣泡。熱縮完畢后,進行質量檢查。

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