管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)保溫(wen)(wen)一般是(shi)指為減(jian)少(shao)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)能量損(sun)失而采取的(de)所有保溫(wen)(wen)措施,包括冷熱(re)(re)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)。常用(yong)于冷水(shui)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)保溫(wen)(wen),這(zhe)是(shi)為了防止在(zai)寒冷天(tian)氣下(xia)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)上(shang)(shang)結露(lu),影響管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)的(de)使用(yong)壽(shou)命或(huo)保證管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)內的(de)水(shui)溫(wen)(wen)保持在(zai)一定溫(wen)(wen)度以上(shang)(shang)。管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)保溫(wen)(wen)時(shi),要(yao)(yao)先對管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)表(biao)面(mian)進行處理(li)(li),將(jiang)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)表(biao)面(mian)的(de)污漬清理(li)(li)干凈(jing),保證表(biao)面(mian)干凈(jing)平(ping)整,這(zhe)樣才能保證保溫(wen)(wen)層(ceng)與管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)緊密貼合,減(jian)少(shao)熱(re)(re)量損(sun)失,更好地起到(dao)保溫(wen)(wen)作用(yong)。需(xu)要(yao)(yao)注(zhu)意的(de)是(shi),大部分管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)都(dou)經過(guo)防腐防銹(xiu)處理(li)(li)。這(zhe)種管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)可(ke)(ke)以直接安裝(zhuang)保溫(wen)(wen)層(ceng)。但如果(guo)有些管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)沒有經過(guo)這(zhe)種表(biao)面(mian)處理(li)(li),或(huo)者(zhe)表(biao)面(mian)有損(sun)傷,就需(xu)要(yao)(yao)在(zai)安裝(zhuang)保溫(wen)(wen)層(ceng)之前涂上(shang)(shang)防銹(xiu)防腐涂層(ceng),保證管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)不容(rong)易被(bei)腐蝕。在(zai)選(xuan)擇保溫(wen)(wen)層(ceng)的(de)時(shi)候,可(ke)(ke)以設置兩(liang)層(ceng)保護層(ceng),包括一層(ceng)不透水(shui)層(ceng),根據其內部結構來看密封性也非常強。