管径m0.0150.0200.0250.0320.0400.0500.0650.0800.1000.1250.1500.2000.2500.3000.3500.400
最小流量l/min
4.2399.4217.662533.7612860.288105.975218.89725361.728612.31103.906251695.63391.25298.758054.19231.613564.8
最大流量l/min5.2987511.30420.6062543.4073675.36129.525238.797422.016753.61324.68752119.54333.2706510173.612116.47517332.8
DN15DN20DN25DN32DN40DN50DN65DN80DN100DN125DN150DN200DN250DN300DN350DN400
注：如果管径很复杂的，水流速值可以稍微选小一点
冷凝水管径估算表冷却负荷（KW)≤42＞15000管道公称直径DN(mm)25150注：本表的适用条件为：1KW冷却负荷每小时约产生0.4-0.8KG的冷凝水，且管道最小坡度为0.03水量(m³/s)
340.000102510.000155680.000200850.0002321020.0002781360.000378
1248
1700.0004332040.0005482380.000602
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