電容膠圈雙密封管施工規(guī)范

1、管材、管件要求和物理性能管材、管件要求和物理性能膠圈電熔雙密封聚乙烯復(fù)合管材，分增強(qiáng)型和普通型管材等，其規(guī)格、尺寸和公稱壓力按下列表采用。管材基本尺寸、偏差及公稱壓力公稱壓力（MPa）公稱外徑(mm)0.60.81.01.41.62.02.53.5基本尺寸極限偏差公稱壁厚及極限偏差（mm）501.24.55.51.26.51.56.51.5631.25.75.51.26.51.56.51.5751.24.55.01.26.01.26.5

2、1.57.01.5901.44.35.45.51.56.01.57.01.57.01.51101.54.25.35.51.56.31.57.01.57.01.58.51.510.01.51401.75.46.76.01.57.01.58.01.58.51.510.01.511.01.51602.06.27.76.51.58.01.59.01.59.51.511.02.012.52.02002.37.79.67.01.58.51.59.5

3、1.510.52.012.52.014.02.22252.58.610.88.01.59.51.510.52.012.02.013.02.02502.59.611.910.52.011.02.012.02.213.52.215.02.23152.712.115.011.52.012.02.013.02.515.02.518.03.3552.813.616.912.02.213.02.214.02.517.03.20.03.4003.01

4、5.319.112.52.214.02.215.02.818.03.4503.317.221.513.52.516.02.518.02.820.03.5003.219.123.815.52.818.02.821.03.024.03.5603.221.426.720.03.024.03.026.03.06303.224.130.023.03.27.03.30.03.3152100.82101.02101.03001.03001.23552

5、001.02401.12401.13301.13601.24002501.03001.13001.13001.24502701.03901.13901.13901.25003401.04001.24001.24001.45602801.24001.44001.46303401.24401.44401.47104201.25001.45001.48004801.16001.46001.4注：標(biāo)明最少金屬絲條數(shù)的為增強(qiáng)型管道；0.6Mpa、

6、0.8Mpa和表內(nèi)用“―”標(biāo)明為無(wú)增強(qiáng)普通型管材材料規(guī)定1膠圈電熔雙密封聚乙烯復(fù)合管道所用聚乙烯材料為PE100或PE80，應(yīng)符合現(xiàn)行國(guó)家標(biāo)準(zhǔn)《給水用聚乙烯（PE）管材》GBT136632000中4和《給水用聚乙烯(PE)管道系統(tǒng)第2部分：管件》GBT13663.22005中4的要求。2密封膠圈材料應(yīng)符合現(xiàn)行國(guó)家標(biāo)準(zhǔn)《橡膠密封件給、排水管及污水管道用接口密封圈》GBT21873的要求。衛(wèi)生要求衛(wèi)生性能應(yīng)符合現(xiàn)行國(guó)家標(biāo)準(zhǔn)《生活飲用水輸配水