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首頁(yè) > 鋼管百科 > 環(huán)氧樹(shù)脂防腐鋼管的連接方式

環(huán)氧樹(shù)脂防腐鋼管的連接方式

日期:2023-02-14

1、螺紋連接:套絲應(yīng)采用自動(dòng)套絲機(jī),執(zhí)行現(xiàn)行國(guó)家標(biāo)準(zhǔn)GB/T7306;

2、法蘭連接:

一次安裝法:可現(xiàn)場(chǎng)測(cè)量、繪制管道單線(xiàn)加工圖,進(jìn)行加工涂、襯塑后,再運(yùn)抵現(xiàn)場(chǎng)安裝;

二次安裝法:可現(xiàn)場(chǎng)用非涂、襯塑鋼管和管件,法蘭焊接,拼裝管道,然后拆開(kāi)進(jìn)行涂、襯塑加工,再運(yùn)抵現(xiàn)場(chǎng)安裝。

3、溝槽連接:應(yīng)優(yōu)先采用成品溝槽式涂塑管件;溝槽應(yīng)采用專(zhuān)用滾槽機(jī)壓槽,注意溝槽深度應(yīng)符合相關(guān)標(biāo)準(zhǔn)(CJ/T156-2001)。

4、承插連接:承插連接,又稱(chēng)擴(kuò)口連接。是通過(guò)改變管道連接件的密封連接結(jié)構(gòu),使其從根本上解決管道連接中的滲水難題,擴(kuò)口連接保證了管連接件與涂塑鋼管的密封連接性。施工操作簡(jiǎn)單方便,主要用于穿線(xiàn)管路使用。

5、雙金屬焊接:又稱(chēng)襯頭焊接連接,在鋼管兩端采用特種焊接預(yù)制技術(shù),使碳鋼和不銹鋼結(jié)合在一起,避免了鋼管在焊接施工時(shí)對(duì)涂覆層的破壞,是目前涂塑鋼管特別是埋地涂塑鋼管最好的連接方案。

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