ppr管材管件在我國得到廣泛應用，其在安裝施工中應注意哪些問題?和ppr家裝管的小編一起簡單了解。

ppr管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)件(jian)較金屬(shu)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)硬度低、剛(gang)性差(cha)，在搬運、施(shi)工中應加以(yi)保護(hu)，避免(mian)(mian)不(bu)適(shi)當外(wai)(wai)力(li)造(zao)成機(ji)械(xie)損傷。在暗(an)敷后(hou)要(yao)標出管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道位置，以(yi)免(mian)(mian)二次裝(zhuang)(zhuang)(zhuang)修(xiu)破壞(huai)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道；ppr管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)件(jian)5℃以(yi)下存在一定低溫脆性，冬(dong)季施(shi)工要(yao)當心，切管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)時(shi)要(yao)用(yong)鋒利(li)刀(dao)具緩慢切割(ge)。對已安(an)裝(zhuang)(zhuang)(zhuang)的管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道不(bu)能(neng)重壓(ya)、敲擊，對易(yi)受(shou)外(wai)(wai)力(li)部位復蓋保護(hu)物(wu)；ppr管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)件(jian)長期受(shou)紫(zi)外(wai)(wai)線(xian)照射易(yi)老化降(jiang)解，安(an)裝(zhuang)(zhuang)(zhuang)在戶外(wai)(wai)或(huo)(huo)陽光(guang)直(zhi)射處包扎(zha)深色防護(hu)層(ceng)(ceng)；ppr管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)件(jian)除了與(yu)金屬(shu)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)或(huo)(huo)用(yong)水(shui)器連接(jie)使(shi)用(yong)帶螺紋嵌(qian)件(jian)或(huo)(huo)法蘭等機(ji)械(xie)連接(jie)方式(shi)外(wai)(wai)，其余均應采(cai)(cai)用(yong)熱(re)熔連接(jie)，使(shi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道一體化，無滲漏(lou)點；ppr管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)件(jian)的線(xian)膨脹系(xi)數較大(0.15mm/m℃)，在明裝(zhuang)(zhuang)(zhuang)或(huo)(huo)非直(zhi)埋暗(an)敷布管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)時(shi)采(cai)(cai)取防止管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道膨脹變形的技(ji)術措施(shi)；管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道安(an)裝(zhuang)(zhuang)(zhuang)后(hou)在封(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(直(zhi)埋)及(ji)復蓋裝(zhuang)(zhuang)(zhuang)飾(shi)層(ceng)(ceng)(非直(zhi)埋暗(an)敷)前試(shi)壓(ya)。冷水(shui)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)試(shi)壓(ya)壓(ya)力(li)為系(xi)統工作壓(ya)力(li)的1.5倍，但不(bu)得小于10MPa；熱(re)水(shui)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)試(shi)驗(yan)壓(ya)力(li)為工作壓(ya)力(li)的2倍，但不(bu)得小于1.5MPa。試(shi)壓(ya)時(shi)間與(yu)方法技(ji)術規(gui)程規(gui)定；ppr管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)明敷或(huo)(huo)非直(zhi)埋暗(an)敷布管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)時(shi)，按規(gui)定安(an)裝(zhuang)(zhuang)(zhuang)支、吊架。