给水用PVC-U管材规格表PVC-Uwaterpipesspecification执行标准:GB/T10002.1-1996standard:GB/T10002.1-1996六米直管Straightpipe6m公称外径(mm)NorminalOutsideDiameter(Odmm)公称压力norminalpressure0.6MPa0.8MPa1.0MPa1.25MPa1.6MPa壁厚(mm)(wailthickness)壁厚(mm)(wailthickness)壁厚(mm)(wailthickness)壁厚(mm)(wailthickness)壁厚(mm)(wailthickness)202.0252.0322.02.4402.02.43.0502.02.43.03.7632.02.53.03.84.7752.22.93.64.55.6902.73.54.35.46.71103.23.94.85.77.21253.74.45.46.07.41404.14.96.16.78.31604.75.67.07.79.51805.36.37.88.610.72005.97.38.79.611.92256.67.99.810.813.42507.38.810.911.914.82808.29.812.213.416.63159.211.013.715.018.73559.412.514.816.921.140010.614.015.319.123.745012.015.817.221.526.750013.316.819.123.929.756014.917.221.426.763016.719.324.130.071018.922.027.280021.224.830.6管的直径指的是管的内径,由于壁厚不一样,管外径有多种。所谓4分、6分、1寸是英制说法,4分管是G1/2英寸的俗称;6分管是G3/4英寸的俗称。公称通径DN/mm俗称相当管螺纹/in外径D/mm61分管1/81082分管1/4103分管3/814或17154分管1/218或22206分管3/425或27251寸管132或341英寸=25.4毫米=8英分1/8是DN41/4是二分(2英分)DN81/2是四分(4英分)DN153/4是六分(6英分)DN202分管DN84分管DN156分管DN201DN251.2DN321.5DN402DN502.5DN653DN803.5DN904DN1005DN1256DN1508DN20010DN25012DN30014DN35016DN40018DN45020DN50024DN60028DN65030DN75032DN80034DN85036DN90042DN105048DN120054DN135060DN150064DN160072DN180080DN200084DN210088DN220096DN2400镀锌钢管用公称直径DN表示,为管道内径;塑料管用公称外径dn表示,为管材外径;钢塑复合压力管用公称外径Dn表示,为管材外径。钢管与塑料管及钢(铝)塑复合管的规格的对应详见下表:钢管与塑料管规格实际选用对应表镀锌钢管塑料管及金属复合管带嵌件的塑料管件公称直径(DN)公称外径(dn/Dn)管件内径×管螺纹公制英制151/2″(四分管)2020×1/2″203/4″(六分管)2525×3/4″251″(一寸管)3232×1″321?″(寸二管)4040×1?″401?″(寸半管)5050×1?″502″(二寸管)6363×2″652?″7575×2?″803″901004″1101004″1251506″1602008″2002008″22525010″25030012″31535014″35540016″40045018″45050020″50060024″630De一般是塑料管的外径。DN一般是金属管的公称直径。不管是冷凝水或冷媒管,一般都按管材的不同选用不同的标法。d为水泥管或钢筋砼管