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1、管径/流速/流量对照表1管径单位：DN流速单位：m/s流量单位：m3/h圆周率(n):3.1415926径流量流速管道管径规格大小(DN)22532456511251522533544556.1.11.1.29.45.1.191.12.34.426.3611.311.625.4534.6445.245.266!)11.9.2.23.35.5.91.412.393.625.65112.222.6235.345.)69.29.4114.51141.323.5.3.34.53.1.362.123.55.43.413.2519.933.9353.16.3413.91135.211.212.635.36
2、.4.45.1.161.12.34.2411.311.625.4545.24.6!)11.)13.541.9(i229.222.，:4.15.5.5.1.452.263.535.99.514.1422.931.156.55.3612.2313.1226.1926.2353.435.94.6.61.61.42.14.24.11.616.9626.513.16.616.3152.62.2:21.43343.53424.1261.3()1.242.33.14.95.3612.619.93.9344.539.1123.1.13242.45316.64.9494.12.51.91.412.323.625
3、.659.5614.422.6235.345.99.4141.323.52.9361.9145.4565.4914.3.91.21.592.614.6.361.516.2925.4539.65.2611.9159.4229.2311.24.15515.3636.1916.911.131.2.94.52.11.951.12.244.163.62113.116.1254.4346.36452.3952.566.611.1.11.241.943.14.9.13.1419.9131.14.669.9124.41194.3929.9231.49.63629.1.541119.661.21.362.123
4、.45.43.414.3421.133.9353.16.34135.2212.635.36415.63542.6.4.231221.451.31.42.33.65.9.1915.5323.5236.65.432.14.3229.333.145.25.1144.3291.921323.241.41.52.44.56.339.916.225.3339.561.59.615.3424.4356.2644.9633.351.599.61425.31.51.2.654.346.91.61.922.1442.4166.295.43169.65265.31.519.546.55.:16.291526.11.
5、61.12.34.63.2411.3119.112.9545.24.6911.9)1.9622.44.15554.123.2916.9113.9162.61.1.923.4.92.6912.22.313.64.5.11.15.192.23.41432.65.169.693.34121.6613.391.2.43.15.21.1412.221.532.55.99.52114.5123.531.945.4623.4514.313.6122.35132.11.92.153.365.5.613.4322.34.353.23.9412.214.335.643.4965.959.541.5L343.319
6、33.9622.263.535.99.514.1423.936.1956.55.3612.23226.19353.435.94692.294.1145.111413.2235.52.12.33.16.9.514.425.93.59.392.133.623.531.1534.32.3695.2122.3144.4213.542.22.493.96.39.9515.5526.239.162.29.19139.9624.13.559.361.99995.261259.621555.92239.332.32.64.66.661.416.262.441.6265.311.61146.3226.1246.
7、4455.296.6314.51316.1625.2341.112.42.14.246.951.616.962.643.436.616.:；152.621.43424.1261.331.215.3134.131696.462442.9管径/流速/流量对照表2管径单位：DN流速单位：m/s流量单位：m3/h圆周率(n):3.1415926管径流量流速管道管径规格大小(DN)225324565112515225335445562.52.34.42.2411.311.629.645.24.6911.45159.422.4441.9636.165.9113.91431.3916.152544.692.
8、62.944.59.5311.61.331.64.53.51114.6165.4294.5459.46661.629.54116.2114.6413.32646.42.3.54.212.2119.932.254.66.34119.211.35.364.136.935.11221.451545.919.5224.22.3.14.95.1112.619.933.455.69.1123.1.1：1316.6494.12.51969.11266.69163.15199.225.2.93.25.12.413.122.534.6452.42.12.1214.4932.9512.43.9614.451311
9、.93166.41249.92951.433.395.3.6913.521.2135.454.294.2132.5419.5.339.2953.1463.41139.135.111.6212.5353.633.13.515.4.914.221.913.356.1.65136.9519.2135.654.2.513.2142.4114.922191.263155.423.23.625.659.2614.422.623.235.919.4141.323.5361.91565.4914.311.35144.65132.12261.95325.23.33.35.39.5514.9323.3339.42
10、59.293.31145.929.9433.2253.1639.51142.991492.19.432332.63335.993.43.56.19.415.324.34.6261.5296.1315.21216.334.536.:65.1911.63153.121946.69243.32346.3.53.966.191.1315.324.441.163.339.96154.63222.66395.461.59.641212.26153.3623.94244.3562.53.64.6.361.4216.2925.4543.165.1411.9159.4229.24.15636.1916.9124
11、6.9162.6261.22544.693664.353.4.16.541.116.426.1544.266.9514.62163.46235.341.46653.4941.54121.53163.4211.452615.3366.143.4.36.211.1.1926.645.396.61.4416.241.5429.61.52966.91316.1119.215.1266.636.933.94.416.911.291.642.546.59.511.212.324.11441.69.19992.43135.1164.322232.9256.53969.244.52.11.51.12.24.2.3113.116.:254.4452.396.611.135.4419.56229.2222.4341.54.14.64.25
