管道支架间距 (2)

管道支架最大间距一览表（单位m）规格分类DN(公称直径mm)101520253240507080100125150200250300dn(公称外径mm)121416182025324050637590110125140160200225250280315400衬塑钢管冷水11.51.822.22.533.53.544.55热水11.51.822.22.533.53.544.55双金属复合管11.51.822.22.533.53.544.55铜管垂直（立管）1.82.42.43333.53.53.53.544水平（横管）1.21.81.82.42.42.433333.53.5薄璧不锈钢管垂直1.5222.52.5333.53.53.544水平11.51.5222.52.53333.53.5孔网钢带复合管PE33.544.24.54.855.45.766.5聚丙烯管PPR垂直冷水0.911.11.31.61.822.22.4热水0.40.450.520.650.780.911.041.561.7水平冷水0.60.70.80.911.11.21.351.55热水0.30.350.40.50.60.70.81.21.3氯化聚氯乙烯管CPVC垂直11.11.21.41.61.82.12.42.733.43.8水平冷水0.80.80.8511.21.41.51.61.71.822热水0.60.650.70.80.911.11.21.21.31.41.5聚丁烯管PB冷水水平0.50.60.70.811.21.41.61.82垂直0.70.80.911.31.61.82.12.32.6热水无托板0.250.30.350.40.50.60.750.91.11.3有托板111.21.21.21.51.51.522耐热聚乙烯PERT冷水水平0.50.60.70.80.911.11.21.351.55垂直0.70.850.981.11.31.61.822.22.4热水水平0.30.30.350.40.50.60.70.80.951.1垂直0.780.780.91.051.181.31.491.61.751.95聚乙烯PE水温20℃0.50.5750.650.750.91.051.21.351.51.651.751.92.052.32.452.62.752.930℃0.450.550.60.750.8511.151.31.451.61.71.851.952.22.352.52.652.840℃450500550650750900105012001350150016001700185021002250240025502700铝塑复合管PAP垂直0.50.60.70.80.911.11.31.61.82水平0.40.40.50.50.60.70.811.21.41.6碳素钢管保温22.52.52.533444.567788.5非保温2.533.544.55666.5789.51112排水UPVC垂直1.21.5222水平0.40.50.750.91.11.251.6管道支架间距１、钢管管道支架最大间距钢管管道支架间距无要求时，可参照下表：钢管管道支架最大间距（m）公称直径(mm)1520253240507080100125150200250300支架的保温管1.5222.533444.556788.5最大间距不保温管2.533.544.55666.5789.511122、塑料排水横管支架间距塑料排水横管支架间距无设计要求时，可参照下表：塑料排水横管支架间距（m）公称直径（mm）5075100支架间距0.60.813、地沟内管道支架间距地沟内管道支架间距无设计要求时，可参照下表：地沟内管道支架最大间距（m）公称直径(mm)1520253240507080100125150200支架的保温管2.52.5333.53.54.54.555.55.56最大间距不保温管222.52.533.5444.555.55.5