1. 給水塑(su)料(liao)管


  適用(yong)于給水溫度不(bu)大于45℃,給水壓(ya)力(li)不(bu)大于0.6 MPa的多層和(he)高層建筑(zhu)分區供水系(xi)統(tong)(tong)。管道(dao)在(zai)室內不(bu)得用(yong)于消(xiao)防供水系(xi)統(tong)(tong)或(huo)與消(xiao)防供水系(xi)統(tong)(tong)相連接的生活給水系(xi)統(tong)(tong)。


  a. 管材、管件(jian)及橡膠密封圈、膠黏劑的質量要求(qiu)和主(zhu)要技術(shu)性能指(zhi)標。


   管(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)(cai)、管(guan)(guan)(guan)(guan)(guan)件(jian)(jian)應(ying)(ying)有(you)制造單位(wei)質(zhi)量檢驗部門(men)的質(zhi)量檢驗合格(ge)證。管(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)(cai)表面應(ying)(ying)標明(ming)(ming)商(shang)標、用途、生(sheng)產廠名(ming)、公(gong)稱(cheng)(cheng)(cheng)大徑(jing)、壁厚、公(gong)稱(cheng)(cheng)(cheng)壓力(li)等(deng)級(ji)、執行(xing)產品標準和生(sheng)產時間。管(guan)(guan)(guan)(guan)(guan)件(jian)(jian)應(ying)(ying)標明(ming)(ming)商(shang)標、規格(ge)、公(gong)稱(cheng)(cheng)(cheng)壓力(li)等(deng)級(ji)。管(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)(cai)、管(guan)(guan)(guan)(guan)(guan)件(jian)(jian)的顏色應(ying)(ying)一致(zhi)；管(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)(cai)表面應(ying)(ying)光滑、平整；管(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)(cai)直線偏(pian)差不應(ying)(ying)大于1%;管(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)(cai)端口(kou)平整。管(guan)(guan)(guan)(guan)(guan)件(jian)(jian)應(ying)(ying)無(wu)缺損變形，無(wu)明(ming)(ming)顯合模(mo)縫，澆口(kou)應(ying)(ying)平整。管(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)(cai)不得小于定尺長度，極限(xian)偏(pian)差長度為＋0.4%.管(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)(cai)、管(guan)(guan)(guan)(guan)(guan)件(jian)(jian)大徑(jing)配合公(gong)差管(guan)(guan)(guan)(guan)(guan)口(kou)部位(wei)應(ying)(ying)≤0.25mm.管(guan)(guan)(guan)(guan)(guan)件(jian)(jian)中間部位(wei)應(ying)(ying)為管(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)(cai)的大徑(jing)尺寸。


 b. 管材(cai)、管件規格


 給(gei)水硬聚氯(lv)乙烯(xi)管(guan)(guan)道(dao)的基本尺寸(cun)是以大(da)徑(jing)來(lai)表(biao)示的（見表(biao)1-2).管(guan)(guan)材(cai)(cai)、管(guan)(guan)件(jian)壁(bi)越厚其公(gong)稱(cheng)壓力(li)越高。管(guan)(guan)材(cai)(cai)現行國家產品等(deng)級(ji)(ji)較(jiao)多，從安全、耐久考慮，用(yong)于(yu)建筑(zhu)物(wu)內的管(guan)(guan)材(cai)(cai)、管(guan)(guan)件(jian)公(gong)稱(cheng)壓力(li)應采(cai)用(yong)1.6 MPa等(deng)級(ji)(ji)（大(da)徑(jing)≤25mm,小口徑(jing)的管(guan)(guan)道(dao)公(gong)稱(cheng)壓力(li)均采(cai)用(yong)1.6 MPa;大(da)口徑(jing)的管(guan)(guan)道(dao)可適(shi)當(dang)降低(di)公(gong)稱(cheng)壓力(li)等(deng)級(ji)(ji)，但必須≥1.0 MPa)。表(biao)1-3為管(guan)(guan)材(cai)(cai)尺寸(cun)及公(gong)差，表(biao)1-4為管(guan)(guan)材(cai)(cai)、管(guan)(guan)件(jian)承口尺寸(cun)。





2. 排水(shui)塑料管（U-PVC)


  建(jian)(jian)筑排水(shui)(shui)用硬聚氯乙烯管，其有耐腐(fu)蝕、質量輕、排水(shui)(shui)阻力小、施工(gong)方便等特點。適用于建(jian)(jian)筑物內(nei)連續排放溫(wen)度不(bu)大(da)于40℃,瞬時排放溫(wen)度不(bu)大(da)于80℃的生活污水(shui)(shui)（廢水(shui)(shui)）管道。


a. 管材、管件的(de)質量(liang)要求和主要技術性能指標


  管(guan)(guan)(guan)材、管(guan)(guan)(guan)件(jian)(jian)(jian)等材料應具有質量檢驗部門的產品合(he)格證，并有明顯(xian)的標志，標明生產廠名和規格。包裝上應標有批(pi)號、數量、生產日(ri)期(qi)和檢驗代號。管(guan)(guan)(guan)材、管(guan)(guan)(guan)件(jian)(jian)(jian)的質量應符(fu)合(he)下(xia)列規定：管(guan)(guan)(guan)材和管(guan)(guan)(guan)件(jian)(jian)(jian)的顏色(se)(se)應一致，無色(se)(se)澤不均及分解變色(se)(se)；管(guan)(guan)(guan)材的內外壁應光(guang)滑、平(ping)整(zheng)、無氣(qi)泡、無裂(lie)口、無明顯(xian)的痕紋(wen)和凹陷；管(guan)(guan)(guan)材的端(duan)面平(ping)整(zheng)并垂直于(yu)軸(zhou)線；管(guan)(guan)(guan)材不允許(xu)有異向彎曲，直線度的公差應小于(yu)0.3%;管(guan)(guan)(guan)件(jian)(jian)(jian)應完整(zheng)無缺損，澆口及溢(yi)邊應修理平(ping)整(zheng)，內外表(biao)面光(guang)滑，無明顯(xian)痕紋(wen)。管(guan)(guan)(guan)材和管(guan)(guan)(guan)件(jian)(jian)(jian)的物理、力學(xue)性能見表(biao)1-5。


表 5.jpg


  特(te)別提(ti)醒：膠黏(nian)劑必(bi)須有生(sheng)產廠名(ming)稱、出廠日(ri)期和(he)使用年限，并(bing)必(bi)須有生(sheng)產合(he)格證和(he)說明書。


              膠黏劑屬易燃品，在存放、運輸和使(shi)用時，必須遠(yuan)離火源，注意安(an)全。


 b. 管材、管件規格


  硬(ying)聚氯(lv)乙烯(xi)排水管道的基本尺寸是(shi)以大徑來表示(shi)的。管材(cai)的大徑主(zhu)要(yao)有以下(xia)5種(zhong)規格：40mm、50mm、75 mm、110 mm及160mm,也有90mm和125mm兩(liang)種(zhong)不常用規格硬(ying)聚氯(lv)乙烯(xi)排水管的管件主(zhu)要(yao)有以下(xia)10個(ge)品種(zhong)：45°彎頭、90°彎頭、90°順水三通(tong)、45°斜三通(tong)、瓶(ping)形三通(tong)、正四(si)(si)(si)通(tong)、45°斜四(si)(si)(si)通(tong)、直角四(si)(si)(si)通(tong)、異徑管和管箍(gu)。