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：m/h 圆周率（π）：3.1415926管径管 道 管 径 规 格 大 小（DN） 流量流速3200.110.230.340.450.570.680.790.901.021.131.241.361.471.581.701.811.922.042.152.262.382.492.602.71250.180.350.530.710.881.061.241.411.591.771.942.122.302.472.652.833.003.183.363.533.713.894.064.24320.290.580.871.161.451.742.032.322.612.903.183.473.764.054.344.634.925.215.505.796.086.376.666.95400.450.901.361.812.262.713.173.624.074.524.985.435.886.336.797.247.698.148.609.059.509.9510.4010.86500.711.412.122.833.534.244.955.656.367.077.788.489.199.9010.6011.3112.0212.7213.4314.1414.8415.5516.2616.96651.192.393.584.785.977.178.369.5610.7511.9513.1414.3415.5316.7217.9219.1120.3121.5022.7023.8925.0926.2827.4828.67801.813.625.437.249.0510.8612.6714.4816.2918.1019.9121.7123.5225.3327.1428.9530.7632.5734.3836.1938.0039.8141.6243.431002.835.658.4811.3114.1416.9619.7922.6225.4528.2731.1033.9336.7639.5842.4145.2448.0750.8953.7256.5559.3862.2065.0367.861254.428.8413.2517.6722.0926.5130.9335.3439.7644.1848.6053.0157.4361.8566.2770.6975.1079.5283.9488.3692.7897.19101.61106.031506.3612.7219.0925.4531.8138.1744.5350.8957.2663.6269.9876.3482.7089.0695.43101.79108.15114.51120.87127.23133.60139.96146.32152.6820011.3122.6233.9345.2456.5567.8679.1790.48101.79113.09124.41135.72147.03158.34169.65180.96192.27203.58214.88226.19237.50248.81260.12271.4325017.6735.3453.0170.6988.36106.03123.70141.37159.04176.71194.39212.06229.73247.40265.07282.74300.41318.09335.76353.43371.10388.77406.44424.1230025.4550.8976.34101.79127.23152.68178.13203.58229.02254.47279.92305.36330.81356.26381.70407.15432.60458.04483.49508.94534.38559.83585.28610.7335034.6469.27103.91138.54173.18207.82242.45277.09311.72346.36381.00415.63450.27484.90519.54554.18588.81623.45658.09692.72727.36761.99796.63831.2740045.2490.48135.72180.96226.19271.43316.67361.91407.15452.39497.63542.87588.11633.35678.58723.82769.06814.30859.54904.78950.02995.261040.501085.7345057.26114.51171.77229.02286.28343.53400.79458.04515.30572.56629.81687.07744.32801.58858.83916.09973.341030.601087.851145.111202.371259.621316.881374.1350070.69141.37212.06282.74353.43424.12494.80565.49636.17706.86777.54848.23918.92989.601060.291130.971201.661272.351343.031413.721484.401555.091625.771696.46600101.79203.58305.36407.15508.94610.73712.51814.30916.091017.881119.661221.451323.241425.031526.811628.601730.391832.181933.962035.752137.542239.332341.112442.900.10.20.30.40.50.60.70.80.911.11.21.301.401.501.601.701.801.902.002.102.202.302.40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：m/h 圆周率（π）：3.1415926管径管 道 管 径 规 格 大 小（DN） 流量流速3202.832.943.053.173.283.393.513.623.733.853.964.074.184.304.414.524.644.754.864.985.095.205.325.43254.424.594.774.955.125.305.485.655.836.016.196.366.546.726.897.077.257.427.607.787.958.138.318.48327.247.537.828.118.408.698.989.269.559.8410.1310.4210.7111.0011.2911.5811.8712.1612.4512.7413.0313.3213.6113.904011.3111.7612.2112.6713.1213.5714.0214.4814.9315.3815.8316.2916.7417.1917.6418.1018.5519.0019.4519.9120.3620.8121.2621.715017.6718.3819.0919.7920.5021.2121.9122.6223.3324.0324.7425.4526.1526.8627.5728.2728.9829.6930.3931.1031.8132.5233.2233.936529.8631.0632.2533.4534.6435.8437.0338.2339.4240.6241.8143.0144.2045.3946.5947.7848.9850.1751.3752.5653.7654.9556.1557.348045.2447.0548.8650.6752.4854.2956.1057.9159.7261.5263.3365.1466.9568.7670.5772.3874.1976.0077.8179.6281.4383.2485.0586.8610070.6973.5176.3479.1782.0084.8287.6590.4893.3196.1398.96101.79104.62107.44110.27113.10115.92118.75121.58124.41127.23130.06132.89135.72125110.45114.86119.28123.70128.12132.54136.95141.37145.79150.21154.63159.04163.46167.88172.30176.71181.13185.55189.97194.39198.80203.22207.64212.06150159.04165.40171.77178.13184.49190.85197.21203.58209.94216.30222.66229.02235.38241.75248.11254.47260.83267.19273.55279.92286.28292.64299.00305.36200282.74294.05305.36316.67327.98339.29350.60361.91373.22384.53395.84407.15418.46429.77441.08452.39463.70475.01486.32497.63508.94520.25531.56542.87250441.79459.46477.13494.80512.47530.14547.82565.49583.16600.83618.50636.17653.84671.52689.19706.86724.53742.20759.87777.54795.22812.89830.56848.23300636.17661.62687.07712.51737.96763.41788.85814.30839.75865.19890.64916.09941.54966.98992.431017.881043.321068.771094.221119.661145.111170.561196.001221.45350865.90900.54935.17969.811004.451039.081073.721108.351142.991177.631212.261246.901281.531316.171350.811385.441420.081454.711489.351523.991558.621593.261627.891662.534001130.971176.211221.451266.691311.931357.171402.411447.651492.881538.121583.361628.601673.841719.081764.321809.561854.801900.041945.271990.512035.752080.992126.232171.474501431.391488.641545.901603.151660.411717.671774.921832.181889.431946.692003.942061.202118.452175.712232.972290.222347.482404.732461.992519.242576.502633.752691.012748.275001767.151837.831908.521979.202049.892120.582191.262261.952332.632403.322474.002544.692615.382686.062756.752827.432898.122968.813039.493110.183180.863251.553322.233392.926002544.692646.482748.272850.052951.843053.633155.423257.203358.993460.783562.573664.353766.143867.933969.724071.504173.294275.084376.874478.654580.444682.234784.024885.802.502.602.702.802.903.003.13.23.33.43.53.63.73.83.944.14.24.34.44.54.64.74.8管径/流速/流量对照表 3
管径单位：DN 流速单位：m/s 流量单位：m/h 圆周率（π）：3.1415926管径管 道 管 径 规 格 大 小（DN） 流量流速3205.545.655.775.885.996.116.226.336.456.566.676.796.907.017.137.247.357.467.587.697.807.928.038.14258.668.849.019.199.379.549.729.9010.0710.2510.4310.6010.7810.9611.1311.3111.4911.6611.8412.0212.1912.3712.5512.723214.1914.4814.7715.0615.3515.6315.9216.2116.5016.7917.0817.3717.6617.9518.2418.5318.8219.1119.4019.6919.9820.2720.5620.854022.1722.6223.0723.5223.9824.4324.8825.3325.7926.2426.6927.1427.6028.0528.5028.9529.4129.8630.3130.7631.2131.6732.1232.575034.6435.3436.0536.7637.4638.1738.8839.5840.2941.0041.7042.4143.1243.8344.5345.2445.9546.6547.3648.0748.7749.4850.1950.896558.5359.7360.9262.1263.3164.5165.7066.9068.0969.2970.4871.6872.8774.0675.2676.4577.6578.8480.0481.2382.4383.6284.8286.018088.6790.4892.2994.1095.9197.7299.53101.34103.14104.95106.76108.57110.38112.19114.00115.81117.62119.43121.24123.05124.86126.67128.48130.29100138.54141.37144.20147.03149.85152.68155.51158.34161.16163.99166.82169.65172.47175.30178.13180.96183.78186.61189.44192.27195.09197.92200.75203.58125216.48220.89225.31229.73234.15238.56242.98247.40251.82256.24260.65265.07269.49273.91278.33282.74287.16291.58296.00300.41304.83309.25313.67318.09150311.72318.09324.45330.81337.17343.53349.89356.26362.62368.98375.34381.70388.07394.43400.79407.15413.51419.87426.24432.60438.96445.32451.68458.04200554.18565.49576.80588.11599.42610.73622.04633.35644.65655.96667.27678.58689.89701.20712.51723.82735.13746.44757.75769.06780.37791.68802.99814.30250865.90883.57901.24918.92936.59954.26971.93989.601007.271024.941042.621060.291077.961095.631113.301130.971148.641166.321183.991201.661219.331237.001254.671272.353001246.901272.351297.791323.241348.691374.131399.581425.031450.471475.921501.371526.811552.261577.711603.151628.601654.051679.501704.941730.391755.841781.281806.731832.183501697.171731.801766.441801.081835.711870.351904.981939.621974.262008.892043.532078.162112.802147.442182.072216.712251.342285.982320.622355.252389.892424.522459.162493.804002216.712261.952307.192352.422397.662442.902488.142533.382578.622623.862669.102714.342759.572804.812850.052895.292940.532985.773031.013076.253121.493166.733211.963257.204502805.522862.782920.032977.293034.543091.803149.053206.313263.563320.823378.083435.333492.593549.843607.103664.353721.613778.863836.123893.383950.634007.894065.144122.405003463.613534.293604.983675.663746.353817.043887.723958.414029.094099.784170.464241.154311.844382.524453.214523.894594.584665.274735.954806.644877.324948.015018.695089.386004987.595089.385191.175292.965394.745496.535598.325700.115801.895903.686005.476107.266209.046310.836412.626514.416616.196717.986819.776921.567023.347125.137226.927328.714.955.15.25.35.45.55.65.75.85.966.16.26.36.46.56.66.76.86.977.17.2管径/流速/流量对照表 4管径单位：DN 流速单位：m/s 流量单位：m/h 圆周率（π）：3.1415926管径管 道 管 径 规 格 大 小（DN） 流量流速3208.268.378.488.608.718.828.939.059.169.279.399.509.619.739.849.9510.0710.1810.2910.4010.5210.6310.7410.8610.9711.0811.2011.312512.9013.0813.2513.4313.6113.7813.9614.1414.3114.4914.6714.8415.0215.2015.3715.5515.7315.9016.0816.2616.4316.6116.7916.9617.1417.3217.4917.673221.1421.4321.7122.0022.2922.5822.8723.1623.4523.7424.0324.3224.6124.9025.1925.4825.7726.0626.3526.6426.9327.2227.5127.7928.0828.3728.6628.954033.0233.4833.9334.3834.8335.2935.7436.1936.6437.1037.5538.0038.4538.9139.3639.8140.2640.7241.1741.6242.0742.5242.9843.4343.8844.3344.7945.245051.6052.3153.0153.7254.4355.1355.8456.5557.2657.9658.6759.3860.0860.7961.5062.2062.9163.6264.3265.0365.7466.4467.1567.8668.5769.2769.9870.696587.2188.4089.5990.7991.9893.1894.3795.5796.7697.9699.15100.35101.54102.73103.93105.12106.32107.51108.71109.90111.10112.29113.49114.68115.88117.07118.26119.4680132.10133.91135.72137.53139.34141.15142.96144.76146.57148.38150.19152.00153.81155.62157.43159.24161.05162.86164.67166.48168.29170.10171.91173.72175.53177.34179.15180.96100206.40209.23212.06214.88217.71220.54223.37226.19229.02231.85234.68237.50240.33243.16245.99248.81251.64254.47257.30260.12262.95265.78268.61271.43274.26277.09279.92282.74125322.50326.92331.34335.76340.18344.59349.01353.43357.85362.26366.68371.10375.52379.94384.35388.77393.19397.61402.03406.44410.86415.28419.70424.12428.53432.95437.37441.79150464.41470.77477.13483.49489.85496.21502.58508.94515.30521.66528.02534.38540.75547.11553.47559.83566.19572.56578.92585.28591.64598.00604.36610.73617.09623.45629.81636.17200825.61836.92848.23859.54870.85882.16893.47904.78916.09927.40938.71950.02961.33972.64983.95995.261006.571017.881029.191040.501051.811063.111074.421085.731097.041108.351119.661130.972501290.021307.691325.361343.031360.701378.371396.051413.721431.391449.061466.731484.401502.071519.751537.421555.091572.761590.431608.101625.771643.451661.121678.791696.461714.131731.801749.471767.153001857.621883.071908.521933.961959.411984.862010.312035.752061.202086.652112.092137.542162.992188.432213.882239.332264.772290.222315.672341.112366.562392.012417.462442.902468.352493.802519.242544.693502528.432563.072597.702632.342666.982701.612736.252770.882805.522840.162874.792909.432944.062978.703013.343047.973082.613117.253151.883186.523221.153255.793290.433325.063359.703394.333428.973463.614003302.443347.683392.923438.163483.403528.643573.883619.113664.353709.593754.833800.073845.313890.553935.793981.034026.274071.504116.744161.984207.224252.464297.704342.944388.184433.424478.654523.894504179.654236.914294.164351.424408.684465.934523.194580.444637.704694.954752.214809.464866.724923.984981.235038.495095.745153.005210.255267.515324.765382.025439.275496.535553.795611.045668.305725.555005160.075230.755301.445372.125442.815513.505584.185654.875725.555796.245866.925937.616008.306078.986149.676220.356291.046361.736432.416503.106573.786644.476715.156785.846856.536927.216997.907068.586007430.497532.287634.077735.867837.657939.438041.228143.018244.808346.588448.378550.168651.958753.738855.528957.319059.109160.889262.679364.469466.259568.039669.829771.619873.409975.1810077.010178.87.37.47.57.67.77.87.988.18.28.38.48.58.68.78.88.999.19.29.39.49.59.69.79.89.910管径流速推荐安全值20253240506580100125闭式系统0.5-0.60.6-0.70.7-0.90.8-10.9-1.21.1-1.41.2-1.61.3-1.81.5-2.0开式系统0.4-0.50.5-0.60.6-0.80.7-0.90.8-1.00.9-1.21.1-1.41.2-1.61.4-1.8管径(DN)流速推荐值m/s:1501.6-2.21.5-2.02001.8-2.51.6-2.32501.8-2.61.7-2.43001.9-2.91.7-2.43501.6-2.51.6-2.14001.8-2.61.8-2.3
管径流速流量对照表计算
