管(guan)(guan)(guan)(guan)道(dao)保(bao)(bao)溫(wen)(wen)(wen)一(yi)般是指為減少(shao)管(guan)(guan)(guan)(guan)道(dao)能(neng)量損(sun)失而(er)采取的(de)所有(you)保(bao)(bao)溫(wen)(wen)(wen)措施(shi),包括冷(leng)熱管(guan)(guan)(guan)(guan)道(dao)。常用(yong)于冷(leng)水管(guan)(guan)(guan)(guan)道(dao)保(bao)(bao)溫(wen)(wen)(wen),這(zhe)是為了防(fang)止(zhi)在寒(han)冷(leng)天氣下(xia)管(guan)(guan)(guan)(guan)道(dao)上(shang)結露(lu),影響管(guan)(guan)(guan)(guan)道(dao)的(de)使用(yong)壽命或(huo)保(bao)(bao)證管(guan)(guan)(guan)(guan)道(dao)內的(de)水溫(wen)(wen)(wen)保(bao)(bao)持在一(yi)定(ding)溫(wen)(wen)(wen)度以(yi)上(shang)。管(guan)(guan)(guan)(guan)道(dao)保(bao)(bao)溫(wen)(wen)(wen)時(shi),要先對管(guan)(guan)(guan)(guan)道(dao)表面進行處(chu)理(li),將管(guan)(guan)(guan)(guan)道(dao)表面的(de)污漬清理(li)干凈,保(bao)(bao)證表面干凈平整,這(zhe)樣才能(neng)保(bao)(bao)證保(bao)(bao)溫(wen)(wen)(wen)層(ceng)與管(guan)(guan)(guan)(guan)道(dao)緊(jin)密(mi)貼合,減少(shao)熱量損(sun)失,更好地起到保(bao)(bao)溫(wen)(wen)(wen)作用(yong)。需(xu)要注意的(de)是,大部(bu)分管(guan)(guan)(guan)(guan)道(dao)都經過(guo)防(fang)腐防(fang)銹處(chu)理(li)。這(zhe)種管(guan)(guan)(guan)(guan)道(dao)可(ke)以(yi)直接(jie)安裝(zhuang)保(bao)(bao)溫(wen)(wen)(wen)層(ceng)。但如果(guo)有(you)些管(guan)(guan)(guan)(guan)道(dao)沒有(you)經過(guo)這(zhe)種表面處(chu)理(li),或(huo)者表面有(you)損(sun)傷,就(jiu)需(xu)要在安裝(zhuang)保(bao)(bao)溫(wen)(wen)(wen)層(ceng)之前(qian)涂上(shang)防(fang)銹防(fang)腐涂層(ceng),保(bao)(bao)證管(guan)(guan)(guan)(guan)道(dao)不容易被腐蝕。在選擇保(bao)(bao)溫(wen)(wen)(wen)層(ceng)的(de)時(shi)候,可(ke)以(yi)設置兩層(ceng)保(bao)(bao)護(hu)層(ceng),包括一(yi)層(ceng)不透水層(ceng),根據其內部(bu)結構來看密(mi)封性也非(fei)常強(qiang)。