1. 給水塑料管
適用于(yu)(yu)給(gei)(gei)水(shui)溫度不(bu)(bu)大于(yu)(yu)45℃,給(gei)(gei)水(shui)壓(ya)力不(bu)(bu)大于(yu)(yu)0.6 MPa的多層和高層建筑分區供水(shui)系(xi)(xi)統(tong)。管(guan)道在室(shi)內不(bu)(bu)得(de)用于(yu)(yu)消(xiao)防供水(shui)系(xi)(xi)統(tong)或與消(xiao)防供水(shui)系(xi)(xi)統(tong)相連接的生(sheng)活給(gei)(gei)水(shui)系(xi)(xi)統(tong)。
a. 管(guan)材、管(guan)件及橡(xiang)膠密封圈、膠黏劑的質量要(yao)求和主要(yao)技術(shu)性能指標。
管(guan)(guan)(guan)(guan)材(cai)(cai)(cai)、管(guan)(guan)(guan)(guan)件(jian)應(ying)(ying)有制造單(dan)位(wei)質(zhi)(zhi)量檢(jian)驗部門的(de)質(zhi)(zhi)量檢(jian)驗合(he)格(ge)(ge)證。管(guan)(guan)(guan)(guan)材(cai)(cai)(cai)表面應(ying)(ying)標(biao)明商標(biao)、用途、生(sheng)產(chan)廠名、公稱(cheng)(cheng)大(da)徑(jing)、壁厚(hou)、公稱(cheng)(cheng)壓力等級、執行(xing)產(chan)品標(biao)準和生(sheng)產(chan)時(shi)間(jian)。管(guan)(guan)(guan)(guan)件(jian)應(ying)(ying)標(biao)明商標(biao)、規格(ge)(ge)、公稱(cheng)(cheng)壓力等級。管(guan)(guan)(guan)(guan)材(cai)(cai)(cai)、管(guan)(guan)(guan)(guan)件(jian)的(de)顏色應(ying)(ying)一致；管(guan)(guan)(guan)(guan)材(cai)(cai)(cai)表面應(ying)(ying)光滑(hua)、平整(zheng)；管(guan)(guan)(guan)(guan)材(cai)(cai)(cai)直線偏差(cha)(cha)不應(ying)(ying)大(da)于(yu)1%;管(guan)(guan)(guan)(guan)材(cai)(cai)(cai)端口平整(zheng)。管(guan)(guan)(guan)(guan)件(jian)應(ying)(ying)無缺損(sun)變(bian)形，無明顯合(he)模(mo)縫，澆口應(ying)(ying)平整(zheng)。管(guan)(guan)(guan)(guan)材(cai)(cai)(cai)不得小(xiao)于(yu)定尺(chi)長(chang)(chang)度(du)，極(ji)限(xian)偏差(cha)(cha)長(chang)(chang)度(du)為＋0.4%.管(guan)(guan)(guan)(guan)材(cai)(cai)(cai)、管(guan)(guan)(guan)(guan)件(jian)大(da)徑(jing)配合(he)公差(cha)(cha)管(guan)(guan)(guan)(guan)口部位(wei)應(ying)(ying)≤0.25mm.管(guan)(guan)(guan)(guan)件(jian)中(zhong)間(jian)部位(wei)應(ying)(ying)為管(guan)(guan)(guan)(guan)材(cai)(cai)(cai)的(de)大(da)徑(jing)尺(chi)寸(cun)。
b. 管材、管件規(gui)格
給水硬聚氯乙烯管(guan)(guan)(guan)道的(de)(de)基本(ben)尺(chi)寸(cun)(cun)是以大徑來表(biao)示的(de)(de)（見表(biao)1-2).管(guan)(guan)(guan)材、管(guan)(guan)(guan)件壁越(yue)厚其公(gong)稱壓(ya)力越(yue)高。管(guan)(guan)(guan)材現行國(guo)家產品等(deng)級較多，從安全、耐久考慮，用于建筑物內的(de)(de)管(guan)(guan)(guan)材、管(guan)(guan)(guan)件公(gong)稱壓(ya)力應采用1.6 MPa等(deng)級（大徑≤25mm,小口徑的(de)(de)管(guan)(guan)(guan)道公(gong)稱壓(ya)力均采用1.6 MPa;大口徑的(de)(de)管(guan)(guan)(guan)道可(ke)適當降(jiang)低公(gong)稱壓(ya)力等(deng)級，但(dan)必須≥1.0 MPa)。表(biao)1-3為管(guan)(guan)(guan)材尺(chi)寸(cun)(cun)及公(gong)差，表(biao)1-4為管(guan)(guan)(guan)材、管(guan)(guan)(guan)件承(cheng)口尺(chi)寸(cun)(cun)。
2. 排水塑料管（U-PVC)
建筑(zhu)排(pai)(pai)水(shui)用硬聚氯乙(yi)烯管，其有耐(nai)腐蝕(shi)、質量輕、排(pai)(pai)水(shui)阻力小、施工方便等特點。適(shi)用于建筑(zhu)物內連續排(pai)(pai)放溫(wen)度(du)不大于40℃,瞬時(shi)排(pai)(pai)放溫(wen)度(du)不大于80℃的(de)生(sheng)活污水(shui)（廢水(shui)）管道。
a. 管(guan)材、管(guan)件的(de)質量要求(qiu)和主(zhu)要技術性能(neng)指標
管(guan)(guan)(guan)材(cai)(cai)、管(guan)(guan)(guan)件等材(cai)(cai)料應具有(you)質量(liang)檢驗(yan)部門的(de)產(chan)品合(he)格(ge)證，并(bing)有(you)明(ming)顯的(de)標志(zhi)，標明(ming)生產(chan)廠名和(he)規(gui)格(ge)。包裝上(shang)應標有(you)批號、數量(liang)、生產(chan)日期和(he)檢驗(yan)代(dai)號。管(guan)(guan)(guan)材(cai)(cai)、管(guan)(guan)(guan)件的(de)質量(liang)應符(fu)合(he)下列規(gui)定：管(guan)(guan)(guan)材(cai)(cai)和(he)管(guan)(guan)(guan)件的(de)顏色應一(yi)致，無(wu)色澤不均及分(fen)解變(bian)色；管(guan)(guan)(guan)材(cai)(cai)的(de)內(nei)外(wai)壁應光滑(hua)、平整、無(wu)氣泡(pao)、無(wu)裂口(kou)(kou)、無(wu)明(ming)顯的(de)痕紋和(he)凹陷；管(guan)(guan)(guan)材(cai)(cai)的(de)端(duan)面平整并(bing)垂直于(yu)軸線(xian)；管(guan)(guan)(guan)材(cai)(cai)不允(yun)許有(you)異向彎曲，直線(xian)度的(de)公差(cha)應小于(yu)0.3%;管(guan)(guan)(guan)件應完(wan)整無(wu)缺損，澆口(kou)(kou)及溢邊(bian)應修理平整，內(nei)外(wai)表(biao)面光滑(hua)，無(wu)明(ming)顯痕紋。管(guan)(guan)(guan)材(cai)(cai)和(he)管(guan)(guan)(guan)件的(de)物理、力學性(xing)能(neng)見表(biao)1-5。
特別提醒：膠黏(nian)劑必須有生產廠(chang)名稱、出(chu)廠(chang)日期(qi)和使(shi)用(yong)年(nian)限(xian)，并必須有生產合格(ge)證和說明書。
膠黏劑屬易燃品，在存(cun)放、運輸(shu)和使用時，必須遠離火源，注意(yi)安全。
b. 管材、管件(jian)規格
硬(ying)聚氯乙(yi)烯排(pai)水管(guan)道的基本(ben)尺寸是(shi)以大(da)徑(jing)來表示的。管(guan)材的大(da)徑(jing)主(zhu)要(yao)有(you)以下(xia)5種(zhong)規格：40mm、50mm、75 mm、110 mm及160mm,也(ye)有(you)90mm和(he)125mm兩種(zhong)不常用規格硬(ying)聚氯乙(yi)烯排(pai)水管(guan)的管(guan)件主(zhu)要(yao)有(you)以下(xia)10個品種(zhong)：45°彎頭、90°彎頭、90°順水三通(tong)、45°斜三通(tong)、瓶形三通(tong)、正四(si)通(tong)、45°斜四(si)通(tong)、直角四(si)通(tong)、異徑(jing)管(guan)和(he)管(guan)箍。
