1. 給水塑料管(guan)
適用于給水(shui)溫度不大(da)于45℃,給水(shui)壓力不大(da)于0.6 MPa的(de)多(duo)層(ceng)和高層(ceng)建筑分區供水(shui)系統(tong)(tong)。管道在室內不得(de)用于消防供水(shui)系統(tong)(tong)或與消防供水(shui)系統(tong)(tong)相連接(jie)的(de)生活給水(shui)系統(tong)(tong)。
a. 管材、管件及(ji)橡膠密封圈、膠黏劑的(de)質量要(yao)求和(he)主要(yao)技術(shu)性(xing)能指標。
管(guan)(guan)(guan)材(cai)(cai)、管(guan)(guan)(guan)件(jian)應(ying)(ying)有制造單位質量檢驗(yan)部門的(de)質量檢驗(yan)合(he)格證(zheng)。管(guan)(guan)(guan)材(cai)(cai)表面應(ying)(ying)標(biao)明商標(biao)、用途(tu)、生產(chan)(chan)廠名、公稱(cheng)大(da)(da)徑、壁厚、公稱(cheng)壓(ya)力(li)等級、執行(xing)產(chan)(chan)品標(biao)準和生產(chan)(chan)時間。管(guan)(guan)(guan)件(jian)應(ying)(ying)標(biao)明商標(biao)、規格、公稱(cheng)壓(ya)力(li)等級。管(guan)(guan)(guan)材(cai)(cai)、管(guan)(guan)(guan)件(jian)的(de)顏(yan)色應(ying)(ying)一致；管(guan)(guan)(guan)材(cai)(cai)表面應(ying)(ying)光滑、平整(zheng)(zheng)；管(guan)(guan)(guan)材(cai)(cai)直線偏(pian)(pian)差不應(ying)(ying)大(da)(da)于(yu)1%;管(guan)(guan)(guan)材(cai)(cai)端口平整(zheng)(zheng)。管(guan)(guan)(guan)件(jian)應(ying)(ying)無(wu)(wu)缺損變形(xing)，無(wu)(wu)明顯合(he)模縫，澆口應(ying)(ying)平整(zheng)(zheng)。管(guan)(guan)(guan)材(cai)(cai)不得(de)小于(yu)定(ding)尺長度(du)，極限(xian)偏(pian)(pian)差長度(du)為＋0.4%.管(guan)(guan)(guan)材(cai)(cai)、管(guan)(guan)(guan)件(jian)大(da)(da)徑配合(he)公差管(guan)(guan)(guan)口部位應(ying)(ying)≤0.25mm.管(guan)(guan)(guan)件(jian)中間部位應(ying)(ying)為管(guan)(guan)(guan)材(cai)(cai)的(de)大(da)(da)徑尺寸。
b. 管材、管件規(gui)格
給(gei)水(shui)硬(ying)聚氯(lv)乙烯管(guan)(guan)(guan)道的(de)基本尺(chi)寸(cun)是以(yi)大(da)(da)徑(jing)來(lai)表示(shi)的(de)（見表1-2).管(guan)(guan)(guan)材(cai)(cai)、管(guan)(guan)(guan)件(jian)壁越厚其(qi)公(gong)(gong)稱(cheng)壓力越高(gao)。管(guan)(guan)(guan)材(cai)(cai)現行國(guo)家產(chan)品等(deng)(deng)級(ji)較(jiao)多，從安全、耐(nai)久(jiu)考慮(lv)，用(yong)(yong)(yong)于建筑(zhu)物內的(de)管(guan)(guan)(guan)材(cai)(cai)、管(guan)(guan)(guan)件(jian)公(gong)(gong)稱(cheng)壓力應采用(yong)(yong)(yong)1.6 MPa等(deng)(deng)級(ji)（大(da)(da)徑(jing)≤25mm,小口(kou)徑(jing)的(de)管(guan)(guan)(guan)道公(gong)(gong)稱(cheng)壓力均采用(yong)(yong)(yong)1.6 MPa;大(da)(da)口(kou)徑(jing)的(de)管(guan)(guan)(guan)道可適當降低公(gong)(gong)稱(cheng)壓力等(deng)(deng)級(ji)，但必須≥1.0 MPa)。表1-3為管(guan)(guan)(guan)材(cai)(cai)尺(chi)寸(cun)及公(gong)(gong)差，表1-4為管(guan)(guan)(guan)材(cai)(cai)、管(guan)(guan)(guan)件(jian)承(cheng)口(kou)尺(chi)寸(cun)。
2. 排水塑料(liao)管（U-PVC)
建筑排(pai)(pai)水用(yong)硬聚(ju)氯乙烯管(guan)，其有耐(nai)腐蝕、質量輕、排(pai)(pai)水阻力小、施工方便等特(te)點。適用(yong)于建筑物內連(lian)續排(pai)(pai)放(fang)溫度不(bu)大于40℃,瞬時排(pai)(pai)放(fang)溫度不(bu)大于80℃的生活(huo)污水（廢水）管(guan)道(dao)。
a. 管材、管件的質量要(yao)求和(he)主要(yao)技(ji)術性(xing)能指(zhi)標
管(guan)(guan)材、管(guan)(guan)件(jian)等(deng)材料應(ying)具(ju)有質量檢驗部門的(de)(de)產品(pin)合格證，并(bing)有明顯的(de)(de)標(biao)志，標(biao)明生產廠(chang)名和(he)(he)規格。包裝上應(ying)標(biao)有批號、數(shu)量、生產日期和(he)(he)檢驗代號。管(guan)(guan)材、管(guan)(guan)件(jian)的(de)(de)質量應(ying)符合下(xia)列(lie)規定：管(guan)(guan)材和(he)(he)管(guan)(guan)件(jian)的(de)(de)顏色應(ying)一致(zhi)，無色澤不均及(ji)分解變色；管(guan)(guan)材的(de)(de)內外(wai)壁應(ying)光滑、平(ping)(ping)整(zheng)(zheng)、無氣(qi)泡、無裂口、無明顯的(de)(de)痕紋和(he)(he)凹陷；管(guan)(guan)材的(de)(de)端面(mian)平(ping)(ping)整(zheng)(zheng)并(bing)垂直(zhi)于(yu)軸線；管(guan)(guan)材不允許有異(yi)向彎曲，直(zhi)線度(du)的(de)(de)公差應(ying)小于(yu)0.3%;管(guan)(guan)件(jian)應(ying)完整(zheng)(zheng)無缺損，澆口及(ji)溢邊應(ying)修理平(ping)(ping)整(zheng)(zheng)，內外(wai)表(biao)面(mian)光滑，無明顯痕紋。管(guan)(guan)材和(he)(he)管(guan)(guan)件(jian)的(de)(de)物理、力學性能(neng)見表(biao)1-5。
特別提(ti)醒：膠黏劑必須有生(sheng)產廠名(ming)稱(cheng)、出廠日期和使用年限，并必須有生(sheng)產合(he)格證(zheng)和說(shuo)明書。
膠黏(nian)劑屬易(yi)燃品，在(zai)存(cun)放(fang)、運輸和使(shi)用時，必須遠離火(huo)源，注(zhu)意安全。
b. 管材、管件規(gui)格
硬聚氯乙烯排水管(guan)道的基本尺寸是以大(da)徑(jing)(jing)來(lai)表(biao)示的。管(guan)材(cai)的大(da)徑(jing)(jing)主(zhu)要有(you)以下5種規格：40mm、50mm、75 mm、110 mm及160mm,也有(you)90mm和(he)(he)125mm兩種不常用規格硬聚氯乙烯排水管(guan)的管(guan)件主(zhu)要有(you)以下10個品種：45°彎頭、90°彎頭、90°順水三(san)通(tong)(tong)(tong)、45°斜(xie)三(san)通(tong)(tong)(tong)、瓶形三(san)通(tong)(tong)(tong)、正四(si)通(tong)(tong)(tong)、45°斜(xie)四(si)通(tong)(tong)(tong)、直(zhi)角(jiao)四(si)通(tong)(tong)(tong)、異徑(jing)(jing)管(guan)和(he)(he)管(guan)箍。
