1. 給水塑(su)料管
適用于(yu)給(gei)水(shui)(shui)(shui)溫(wen)度不(bu)大(da)于(yu)45℃,給(gei)水(shui)(shui)(shui)壓力不(bu)大(da)于(yu)0.6 MPa的(de)多層和高層建筑(zhu)分區供(gong)水(shui)(shui)(shui)系(xi)統(tong)。管道在室內不(bu)得用于(yu)消(xiao)防(fang)供(gong)水(shui)(shui)(shui)系(xi)統(tong)或與消(xiao)防(fang)供(gong)水(shui)(shui)(shui)系(xi)統(tong)相連接的(de)生活給(gei)水(shui)(shui)(shui)系(xi)統(tong)。
a. 管材(cai)、管件及橡(xiang)膠(jiao)(jiao)密(mi)封圈(quan)、膠(jiao)(jiao)黏劑的質量要(yao)求和主要(yao)技術性能指標。
管(guan)材(cai)(cai)、管(guan)件應(ying)(ying)(ying)(ying)有(you)制造單位(wei)質(zhi)量檢(jian)驗部(bu)門的(de)質(zhi)量檢(jian)驗合(he)格證。管(guan)材(cai)(cai)表面(mian)應(ying)(ying)(ying)(ying)標明商標、用途、生(sheng)(sheng)產廠名、公稱大徑、壁厚、公稱壓力(li)等(deng)級、執行產品標準(zhun)和(he)生(sheng)(sheng)產時(shi)間(jian)。管(guan)件應(ying)(ying)(ying)(ying)標明商標、規格、公稱壓力(li)等(deng)級。管(guan)材(cai)(cai)、管(guan)件的(de)顏(yan)色應(ying)(ying)(ying)(ying)一(yi)致；管(guan)材(cai)(cai)表面(mian)應(ying)(ying)(ying)(ying)光滑、平整；管(guan)材(cai)(cai)直線(xian)偏差不應(ying)(ying)(ying)(ying)大于1%;管(guan)材(cai)(cai)端口平整。管(guan)件應(ying)(ying)(ying)(ying)無(wu)缺損變形，無(wu)明顯合(he)模縫(feng)，澆口應(ying)(ying)(ying)(ying)平整。管(guan)材(cai)(cai)不得小于定尺長度(du)，極限偏差長度(du)為＋0.4%.管(guan)材(cai)(cai)、管(guan)件大徑配合(he)公差管(guan)口部(bu)位(wei)應(ying)(ying)(ying)(ying)≤0.25mm.管(guan)件中(zhong)間(jian)部(bu)位(wei)應(ying)(ying)(ying)(ying)為管(guan)材(cai)(cai)的(de)大徑尺寸。
b. 管(guan)(guan)材(cai)、管(guan)(guan)件規(gui)格
給水(shui)硬聚氯乙烯(xi)管(guan)(guan)(guan)(guan)道的基(ji)本(ben)尺寸(cun)是以大(da)(da)徑來表(biao)示(shi)的（見表(biao)1-2).管(guan)(guan)(guan)(guan)材、管(guan)(guan)(guan)(guan)件壁越厚其(qi)公(gong)(gong)稱壓(ya)(ya)(ya)力(li)(li)越高(gao)。管(guan)(guan)(guan)(guan)材現行國家產品(pin)等級較多，從(cong)安全、耐久考慮，用(yong)(yong)于建(jian)筑物內的管(guan)(guan)(guan)(guan)材、管(guan)(guan)(guan)(guan)件公(gong)(gong)稱壓(ya)(ya)(ya)力(li)(li)應采用(yong)(yong)1.6 MPa等級（大(da)(da)徑≤25mm,小(xiao)口徑的管(guan)(guan)(guan)(guan)道公(gong)(gong)稱壓(ya)(ya)(ya)力(li)(li)均采用(yong)(yong)1.6 MPa;大(da)(da)口徑的管(guan)(guan)(guan)(guan)道可適當降低公(gong)(gong)稱壓(ya)(ya)(ya)力(li)(li)等級，但必(bi)須≥1.0 MPa)。表(biao)1-3為管(guan)(guan)(guan)(guan)材尺寸(cun)及(ji)公(gong)(gong)差，表(biao)1-4為管(guan)(guan)(guan)(guan)材、管(guan)(guan)(guan)(guan)件承口尺寸(cun)。
2. 排水(shui)塑料(liao)管（U-PVC)
建筑排水(shui)用(yong)硬(ying)聚氯(lv)乙烯管(guan)，其有耐(nai)腐(fu)蝕(shi)、質量輕、排水(shui)阻力小、施工方便等特點(dian)。適用(yong)于(yu)建筑物內連續排放溫度不大于(yu)40℃,瞬時(shi)排放溫度不大于(yu)80℃的生活污水(shui)（廢水(shui)）管(guan)道(dao)。
a. 管材、管件的(de)質量要求(qiu)和主要技術性能指標
管(guan)(guan)(guan)(guan)材(cai)、管(guan)(guan)(guan)(guan)件等材(cai)料應(ying)(ying)(ying)具(ju)有質量檢驗部門的(de)產(chan)品(pin)合格(ge)(ge)證，并有明顯(xian)(xian)的(de)標志(zhi)，標明生產(chan)廠名(ming)和規(gui)格(ge)(ge)。包裝(zhuang)上應(ying)(ying)(ying)標有批號(hao)、數量、生產(chan)日(ri)期和檢驗代號(hao)。管(guan)(guan)(guan)(guan)材(cai)、管(guan)(guan)(guan)(guan)件的(de)質量應(ying)(ying)(ying)符合下(xia)列規(gui)定：管(guan)(guan)(guan)(guan)材(cai)和管(guan)(guan)(guan)(guan)件的(de)顏(yan)色(se)(se)應(ying)(ying)(ying)一(yi)致，無(wu)(wu)色(se)(se)澤不均及分解(jie)變色(se)(se)；管(guan)(guan)(guan)(guan)材(cai)的(de)內(nei)外(wai)(wai)壁(bi)應(ying)(ying)(ying)光滑、平整(zheng)、無(wu)(wu)氣泡、無(wu)(wu)裂口、無(wu)(wu)明顯(xian)(xian)的(de)痕紋和凹陷；管(guan)(guan)(guan)(guan)材(cai)的(de)端面(mian)平整(zheng)并垂直(zhi)于軸線；管(guan)(guan)(guan)(guan)材(cai)不允許有異向彎曲(qu)，直(zhi)線度的(de)公差應(ying)(ying)(ying)小(xiao)于0.3%;管(guan)(guan)(guan)(guan)件應(ying)(ying)(ying)完整(zheng)無(wu)(wu)缺損，澆口及溢(yi)邊(bian)應(ying)(ying)(ying)修理平整(zheng)，內(nei)外(wai)(wai)表面(mian)光滑，無(wu)(wu)明顯(xian)(xian)痕紋。管(guan)(guan)(guan)(guan)材(cai)和管(guan)(guan)(guan)(guan)件的(de)物理、力學性(xing)能見表1-5。
特(te)別提(ti)醒：膠黏劑(ji)必須(xu)有生(sheng)產廠名稱、出廠日期和使用年限(xian)，并必須(xu)有生(sheng)產合格證和說明書。
膠黏劑(ji)屬易燃品，在存(cun)放、運輸和(he)使(shi)用時，必須遠(yuan)離火源(yuan)，注意安(an)全。
b. 管(guan)材、管(guan)件規(gui)格
硬(ying)聚氯(lv)乙烯(xi)排水管(guan)(guan)(guan)(guan)道的(de)基本尺寸是以大徑(jing)來表示的(de)。管(guan)(guan)(guan)(guan)材的(de)大徑(jing)主(zhu)要(yao)有(you)以下5種規(gui)格：40mm、50mm、75 mm、110 mm及160mm,也有(you)90mm和125mm兩種不(bu)常(chang)用規(gui)格硬(ying)聚氯(lv)乙烯(xi)排水管(guan)(guan)(guan)(guan)的(de)管(guan)(guan)(guan)(guan)件主(zhu)要(yao)有(you)以下10個品種：45°彎頭、90°彎頭、90°順水三(san)通、45°斜三(san)通、瓶形三(san)通、正四(si)(si)通、45°斜四(si)(si)通、直(zhi)角(jiao)四(si)(si)通、異徑(jing)管(guan)(guan)(guan)(guan)和管(guan)(guan)(guan)(guan)箍。
