水管管径计算

1、水系统的管径和单位长度阻力损失水管管径(mm)闭式水系统开式水系统型号水量流速（m3/h)m水柱/100m流速（m3/h)m水柱/100m FP-3.50.3721500.504 FP-50.522200.5124 FP-6.30.61825121.7401.304 FP-80.83432241.241.321.24 FP-100.96540462.04241.54 FP-12.51.206506111.34481.54 FP-161.554651118248141.24 FP-201.9308018321.5414221.8410032651.25422451.04125651151.544

2、5821.341501151851.254821301.64200185380141302001.02.32503805601.252.752003400.823005608201.252.253404700.81.63508209501.2524706101.01.5400950125011.756107500.81.2450125015900.91.575010000.2500159020000.81.25100012300.71.0冷凝水管最大流速公称直径（mm)15202532405050一般管网1.811.21.41.723有特安静要求的室内管网1.50.650.811.21.31.

3、5冷凝水管径表择选管道最小坡度冷负荷（KW）0.01124620.031500015000管道公称直径（mm)DN20DN25DN32DN40DN50DN80DN100DN125DN150低压系统，小于等于DN50的可用焊接钢管，大于DN的用无缝钢管，高压系统可一律采用无缝钢管冷凝水管可采用镀锌钢管或塑料管，不宜采用焊接钢管。管道一般都需保温，管道保温前要刷两道防锈底漆。每1kw冷负荷最大冷凝水量一般为0.4-0.8kg。冷凝水管最大流速公称直径（mm)15202532405050一般管网1.811.21.41.723有特安静要求的室内管网1.50.650.811.21.31.5冷凝水管径表择

4、选管道最小坡度冷负荷（KW）0.01124620.031500015000管道公称直径（mm) DN20DN25DN32DN40DN50DN80DN100DN125DN150低压系统，小于等于DN50的可用焊接钢管，大于DN的用无缝钢管，高压系统可一律采用无缝钢管冷凝水管可采用镀锌钢管或塑料管，不宜采用焊接钢管。管道一般都需保温，管道保温前要刷两道防锈底漆。每1kw冷负荷最大冷凝水量一般为0.4-0.8kg。三匹以下最长接管20M最大落差105-12.5匹最长接管30M 最大落差1525-50最长接管50M 最大落差20FK-10方形散流器规格系列及性能表颈部风速23456静压损失0.731.

5、642.914.546.56全压损失0.972.193.896.078.77规格尺寸 风量m3/h射程m3/h风量m3/h射程m3/h风量m3/h射程m3/h风量m3/h射程m3/h风量m3/h射程m3/h120X1201050.741551.012101.312601.543101.73180X1802351.123501.524701.975852.317002.6240X2404154.196252.038302.6310403.0912453.47300X3006501.869752.5413003.2916203.8619454.34360X3609352.2314003.0519873.9423354.6328005.2420X42012702.6119053.5625404.631755.438106.07480X48016602.9824904.0733205.2641506.1849806.94540X54021003.3531504.5742005.9152506.9463007.8600X60025953.72389