1. 給水塑料(liao)管(guan)


  適用于(yu)(yu)給(gei)水(shui)溫度不大(da)于(yu)(yu)45℃,給(gei)水(shui)壓力不大(da)于(yu)(yu)0.6 MPa的多層(ceng)和高(gao)層(ceng)建筑分區供(gong)水(shui)系(xi)(xi)統(tong)(tong)。管道在室內(nei)不得用于(yu)(yu)消(xiao)防供(gong)水(shui)系(xi)(xi)統(tong)(tong)或與消(xiao)防供(gong)水(shui)系(xi)(xi)統(tong)(tong)相連接的生活給(gei)水(shui)系(xi)(xi)統(tong)(tong)。


  a. 管材、管件及(ji)橡膠密封圈、膠黏劑的質量(liang)要求和(he)主(zhu)要技(ji)術性(xing)能指標(biao)。


   管(guan)(guan)材(cai)(cai)、管(guan)(guan)件(jian)(jian)(jian)應(ying)有制造單位質量(liang)檢(jian)驗(yan)部(bu)門的(de)質量(liang)檢(jian)驗(yan)合格證。管(guan)(guan)材(cai)(cai)表(biao)面(mian)應(ying)標明(ming)商標、用途、生(sheng)產(chan)廠名、公(gong)稱(cheng)大徑、壁厚、公(gong)稱(cheng)壓(ya)力等級(ji)、執行(xing)產(chan)品(pin)標準和生(sheng)產(chan)時間(jian)。管(guan)(guan)件(jian)(jian)(jian)應(ying)標明(ming)商標、規格、公(gong)稱(cheng)壓(ya)力等級(ji)。管(guan)(guan)材(cai)(cai)、管(guan)(guan)件(jian)(jian)(jian)的(de)顏(yan)色(se)應(ying)一致；管(guan)(guan)材(cai)(cai)表(biao)面(mian)應(ying)光滑、平(ping)整；管(guan)(guan)材(cai)(cai)直線偏(pian)差不(bu)應(ying)大于1%;管(guan)(guan)材(cai)(cai)端口平(ping)整。管(guan)(guan)件(jian)(jian)(jian)應(ying)無缺損(sun)變形(xing)，無明(ming)顯合模縫，澆口應(ying)平(ping)整。管(guan)(guan)材(cai)(cai)不(bu)得小于定尺(chi)長度(du)，極限偏(pian)差長度(du)為＋0.4%.管(guan)(guan)材(cai)(cai)、管(guan)(guan)件(jian)(jian)(jian)大徑配(pei)合公(gong)差管(guan)(guan)口部(bu)位應(ying)≤0.25mm.管(guan)(guan)件(jian)(jian)(jian)中間(jian)部(bu)位應(ying)為管(guan)(guan)材(cai)(cai)的(de)大徑尺(chi)寸。


 b. 管材、管件(jian)規格(ge)


 給水硬聚氯(lv)乙烯管(guan)(guan)(guan)(guan)(guan)道(dao)的(de)基本尺寸是(shi)以大徑來表(biao)示的(de)（見(jian)表(biao)1-2).管(guan)(guan)(guan)(guan)(guan)材、管(guan)(guan)(guan)(guan)(guan)件(jian)壁越厚(hou)其公(gong)(gong)稱壓力(li)越高。管(guan)(guan)(guan)(guan)(guan)材現(xian)行國家產(chan)品等(deng)(deng)級(ji)較多，從(cong)安全(quan)、耐久考慮(lv)，用于建筑物內的(de)管(guan)(guan)(guan)(guan)(guan)材、管(guan)(guan)(guan)(guan)(guan)件(jian)公(gong)(gong)稱壓力(li)應采(cai)用1.6 MPa等(deng)(deng)級(ji)（大徑≤25mm,小口徑的(de)管(guan)(guan)(guan)(guan)(guan)道(dao)公(gong)(gong)稱壓力(li)均采(cai)用1.6 MPa;大口徑的(de)管(guan)(guan)(guan)(guan)(guan)道(dao)可適當降低公(gong)(gong)稱壓力(li)等(deng)(deng)級(ji)，但必須≥1.0 MPa)。表(biao)1-3為管(guan)(guan)(guan)(guan)(guan)材尺寸及公(gong)(gong)差，表(biao)1-4為管(guan)(guan)(guan)(guan)(guan)材、管(guan)(guan)(guan)(guan)(guan)件(jian)承(cheng)口尺寸。





2. 排(pai)水塑料管（U-PVC)


  建(jian)筑排水(shui)用硬聚氯乙烯管，其(qi)有耐腐蝕、質量輕、排水(shui)阻力小(xiao)、施工(gong)方便等特點(dian)。適用于建(jian)筑物內連(lian)續排放(fang)溫(wen)度不大(da)于40℃,瞬(shun)時排放(fang)溫(wen)度不大(da)于80℃的生活(huo)污水(shui)（廢水(shui)）管道。


a. 管材、管件的質量要(yao)求和(he)主要(yao)技術性能指標(biao)


  管(guan)(guan)(guan)(guan)材(cai)、管(guan)(guan)(guan)(guan)件(jian)等材(cai)料(liao)應(ying)(ying)(ying)(ying)具有(you)質(zhi)量檢驗部門(men)的(de)(de)產品(pin)合格(ge)證，并有(you)明顯的(de)(de)標(biao)志(zhi)，標(biao)明生(sheng)產廠(chang)名和(he)規格(ge)。包裝上應(ying)(ying)(ying)(ying)標(biao)有(you)批號(hao)、數量、生(sheng)產日(ri)期和(he)檢驗代號(hao)。管(guan)(guan)(guan)(guan)材(cai)、管(guan)(guan)(guan)(guan)件(jian)的(de)(de)質(zhi)量應(ying)(ying)(ying)(ying)符合下列規定：管(guan)(guan)(guan)(guan)材(cai)和(he)管(guan)(guan)(guan)(guan)件(jian)的(de)(de)顏色(se)(se)應(ying)(ying)(ying)(ying)一致，無(wu)(wu)色(se)(se)澤不(bu)均及分解(jie)變色(se)(se)；管(guan)(guan)(guan)(guan)材(cai)的(de)(de)內外壁應(ying)(ying)(ying)(ying)光滑(hua)、平(ping)整(zheng)、無(wu)(wu)氣泡(pao)、無(wu)(wu)裂(lie)口、無(wu)(wu)明顯的(de)(de)痕紋和(he)凹(ao)陷；管(guan)(guan)(guan)(guan)材(cai)的(de)(de)端面平(ping)整(zheng)并垂直于(yu)軸線(xian)；管(guan)(guan)(guan)(guan)材(cai)不(bu)允許有(you)異向彎曲，直線(xian)度的(de)(de)公(gong)差應(ying)(ying)(ying)(ying)小于(yu)0.3%;管(guan)(guan)(guan)(guan)件(jian)應(ying)(ying)(ying)(ying)完整(zheng)無(wu)(wu)缺損，澆口及溢邊(bian)應(ying)(ying)(ying)(ying)修理(li)平(ping)整(zheng)，內外表面光滑(hua)，無(wu)(wu)明顯痕紋。管(guan)(guan)(guan)(guan)材(cai)和(he)管(guan)(guan)(guan)(guan)件(jian)的(de)(de)物(wu)理(li)、力學性能(neng)見(jian)表1-5。


表 5.jpg


  特別提醒：膠(jiao)黏劑必須有生(sheng)產(chan)廠名稱、出(chu)廠日期(qi)和使用(yong)年限，并必須有生(sheng)產(chan)合格證和說明書。


              膠黏劑屬易(yi)燃品，在存放、運輸和使用時，必須遠離火源，注意(yi)安(an)全。


 b. 管材(cai)、管件規(gui)格(ge)


  硬(ying)聚氯乙烯(xi)排水(shui)管道的基(ji)本尺(chi)寸是以(yi)大(da)徑來表示的。管材的大(da)徑主(zhu)要(yao)有以(yi)下5種規(gui)格(ge)：40mm、50mm、75 mm、110 mm及160mm,也有90mm和(he)125mm兩(liang)種不常用規(gui)格(ge)硬(ying)聚氯乙烯(xi)排水(shui)管的管件主(zhu)要(yao)有以(yi)下10個品種：45°彎頭(tou)、90°彎頭(tou)、90°順水(shui)三(san)通(tong)、45°斜三(san)通(tong)、瓶(ping)形三(san)通(tong)、正(zheng)四通(tong)、45°斜四通(tong)、直角(jiao)四通(tong)、異徑管和(he)管箍。