鍍(du)鋅鐵皮(pi)聚(ju)氨酯保溫管(guan)(guan)外(wai)(wai)(wai)套管(guan)(guan)：制作(zuo)外(wai)(wai)(wai)護(hu)管(guan)(guan)用(yong)(yong)的(de)鐵皮(pi)采用(yong)(yong)鍍(du)鋅防腐層(ceng)，可長(chang)期在露天環境中(zhong)(zhong)而(er)不(bu)腐蝕;由于該產品(pin)采用(yong)(yong)了(le)鍍(du)鋅鐵皮(pi)代替傳統的(de)聚(ju)乙烯(xi)外(wai)(wai)(wai)護(hu)管(guan)(guan)，避免(mian)了(le)聚(ju)乙烯(xi)長(chang)期在露天環境下老化的(de)問(wen)題鍍(du)鋅鐵皮(pi)外(wai)(wai)(wai)護(hu)管(guan)(guan)采用(yong)(yong)螺旋成形結構，該結構整(zheng)體抗彎性能、結合(he)縫處受力情況好外(wai)(wai)(wai)護(hu)管(guan)(guan)結構強(qiang)度高(gao)具有(you)很高(gao)的(de)機械強(qiang)度和優良的(de)耐腐蝕性能。它保證(zheng)管(guan)(guan)材在運輸、安(an)裝(zhuang)及(ji)使(shi)(shi)用(yong)(yong)過(guo)程中(zhong)(zhong)不(bu)受外(wai)(wai)(wai)界因素破壞。使(shi)(shi)保溫層(ceng)泡(pao)沫(mo)與外(wai)(wai)(wai)護(hu)管(guan)(guan)間(jian)的(de)剪切強(qiang)度明顯增強(qiang)。對(dui)保證(zheng)整(zheng)體管(guan)(guan)的(de)質量，延長(chang)其(qi)使(shi)(shi)用(yong)(yong)壽(shou)命有(you)著不(bu)可忽視的(de)意(yi)義。

• 1）工作鋼管

  鋼(gang)(gang)管(guan)(guan)種類(lei)（可選）：無(wu)縫流體管(guan)(guan)、埋(mai)弧焊(han)螺旋(xuan)鋼(gang)(gang)管(guan)(guan)、鍍(du)鋅管(guan)(guan)、直(zhi)縫焊(han)管(guan)(guan)、不銹鋼(gang)(gang)管(guan)(guan)、塑鋼(gang)(gang)管(guan)(guan)、PPR管(guan)(guan)、PVC管(guan)(guan)等

• 2）保溫層

  材料(liao)種(zhong)類：高密度聚(ju)氨酯硬質泡沫

• 3）外套鋼管

  材料種類：由優質彩鋼板或鍍(du)鋅(xin)鐵皮(pi)卷制而成的螺旋(xuan)風管