管道支架最大间距一览表（单位m）
规格分类DN(公称直径mm)121410161815201111.81.21.510.90.40.60.310.80.60.60.80.310.60.850.30.780.5750.555000.80.90.50.622.520251.51.51.52.41.821.510.450.70.351.10.80.650.70.90.351.20.70.980.350.90.650.655010.72.5325321.81.81.82.41.821.5324022232.42.5240502.22.22.232.42.5231.60.7810.61.61.20.91.21.60.61.511.60.61.31.0519001.61.234.55070753333.5332.5421.041.20.82.11.51.11.62.10.91.51.220.81.61.351.3120021.61.50.7580903.53.53.53.533.534.22.21.561.351.22.41.61.21.82.31.121.352.20.951.751.51.451350100125150200250280300315400dn(公称外径mm)冷水衬塑钢管热水双金属复合管垂直（立管）铜管水平（横管）薄璧不锈垂直钢管水平孔网钢带复合管PE冷水垂直热水聚丙烯管PPR冷水水平热水氯化聚氯垂直乙烯管冷水水平CPVC热水水平冷水垂直聚丁烯管PB无托板热水有托板水平冷水垂直耐热聚乙烯PERT水平热水垂直20℃聚乙烯PE水温30℃40℃铝塑复合垂直管PAP水平保温碳素钢管非保温垂直排水UPVC水平0.50.40.50.70.2510.50.70.30.780.50.454500.60.70.40.51.11.30.520.650.80.90.40.51.21.40.8510.70.80.8111.30.40.51.21.20.80.91.11.30.40.51.051.180.750.90.750.856507501.11.30.812.52.53.54632.52.52.532.432.53.51.80.911.10.71.81.411.41.80.751.51.11.80.71.491.21.1510501.81.4351.20.40.51101251401602002252503.544.553.544.553.544.553.53.544333.53.53.53.544333.53.54.54.855.45.72.41.71.551.32.733.43.81.71.8221.21.31.41.522.61.321.552.41.11.951.651.751.92.052.32.452.61.61.71.851.952.22.352.5150016001700185021002250240066.52.752.92.652.825502700460.94.56.521.16721.257821.679.58118.512
