水管管径-流速-流量对照表
0.4m/s0.6m/s0.8m/s1.0m/s1.2m/s1.4m/s1.6m/s1.8m/s2.0m/s2.2m/s2.4m/s2.6m/s2.8m/s3.0m/s
200.50.70.91.11.41.61.82.02.32.52.72.93.23.4
250.71.11.41.82.12.52.83.23.53.94.24.64.95.3
321.21.72.32.93.54.14.65.25.86.46.97.58.18.7
401.82.73.64.55.46.37.28.19.010.010.911.812.713.6
502.84.25.77.18.59.911.312.714.115.617.018.419.821.2
654.87.29.611.914.316.719.121.523.926.328.731.133.435.8
807.210.914.518.121.725.329.032.636.239.843.447.050.754.3
10011.317.022.628.333.939.645.250.956.562.267.973.579.284.8
12517.726.535.344.253.061.970.779.588.497.2106.0114.9123.7132.5
15025.438.250.963.676.389.1101.8114.5127.2140.0152.7165.4178.1190.9
20045.267.990.5113.1135.7158.3181.0203.6226.2248.8271.4294.1316.7339.3
25070.7106.0141.4176.7212.1247.4282.7318.1353.4388.8424.1459.5494.8530.1
300101.8152.7203.6254.5305.4356.3407.1458.0508.9559.8610.7661.6712.5763.4
350138.5207.8277.1346.4415.6484.9554.2623.4692.7762.0831.3900.5969.81039.1
400181.0271.4361.9452.4542.9633.3723.8814.3904.8995.31085.71176.21266.71357.2
450229.0343.5458.0572.6687.1801.6916.11030.61145.11259.61374.11488.61603.21717.7
500282.7424.1565.5706.9848.2989.61131.01272.31413.71555.11696.51837.81979.22120.6
600407.1610.7814.31017.91221.41425.01628.61832.22035.72239.32442.92646.52850.03053.6
20253240506580100125150200250300350400闭式系统0.5-0.60.6-0.70.7-0.90.8-10.9-1.21.1-1.41.2-1.61.3-1.81.5-2.01.6-2.21.8-2.51.8-2.61.9-2.91.6-2.51.8-2.6开式系统0.4-0.50.5-0.60.6-0.80.7-0.90.8-1.00.9-1.21.1-1.41.2-1.61.4-1.81.5-2.01.6-2.31.7-2.41.7-2.41.6-2.11.8-2.3管径/流速/流量对照表
流速推荐值m/s:管径(DN)管径(DN)流量 m3/h
0.4m/s0.6m/s
0.8m/s1.0m/s1.2m/s1.4m/s1.6m/s1.8m/s2.0m/s2.2m/s2.4m/s2.6m/s2.8m/s3.0m/s内面积m2
200.50.70.91.11.41.61.82.02.32.52.72.93.23.40.000314
250.71.11.41.82.12.52.83.23.53.94.24.64.95.30.000491
321.21.72.32.93.54.14.65.25.86.46.97.58.18.70.000804
401.82.73.64.55.46.37.28.19.010.010.911.812.713.60.001257
502.84.25.77.18.59.911.312.714.115.617.018.419.821.20.001963
654.87.29.611.914.316.719.121.523.926.328.731.133.435.80.003318
807.210.914.518.121.725.329.032.636.239.843.447.050.754.30.005027
10011.317.022.628.333.939.645.250.956.562.267.973.579.284.80.007854
12517.726.535.344.253.061.970.779.588.497.2106.0114.9123.7132.50.012272
15025.438.250.963.676.389.1101.8114.5127.2140.0152.7165.4178.1190.90.017671
20045.267.990.5113.1135.7158.3181.0203.6226.2248.8271.4294.1316.7339.30.031416
25070.7106.0141.4176.7212.1247.4282.7318.1353.4388.8424.1459.5494.8530.10.049087
300101.8152.7203.6254.5305.4356.3407.1458.0508.9559.8610.7661.6712.5763.40.070686
350138.5207.8277.1346.4415.6484.9554.2623.4692.7762.0831.3900.5969.81039.10.096211
400181.0271.4361.9452.4542.9633.3723.8814.3904.8995.31085.71176.21266.71357.20.125664
450229.0343.5458.0572.6687.1801.6916.11030.61145.11259.61374.11488.61603.21717.70.159043
500282.7424.1565.5706.9848.2989.61131.01272.31413.71555.11696.51837.81979.22120.60.196349
600407.1610.7814.31017.91221.41425.01628.61832.22035.72239.32442.92646.52850.03053.60.282743
20253240506580100125150200250300350400闭式系统0.5-0.60.6-0.70.7-0.90.8-10.9-1.21.1-1.41.2-1.61.3-1.81.5-2.01.6-2.21.8-2.51.8-2.61.9-2.91.6-2.51.8-2.6开式系统0.4-0.50.5-0.60.6-0.80.7-0.90.8-1.00.9-1.21.1-1.41.2-1.61.4-1.81.5-2.01.6-2.31.7-2.41.7-2.41.6-2.11.8-2.3管径/流速/流量对照表
管径(DN)流量 m3/h
管径(DN)流速推荐值m/s:镀锌钢管(外径/内
径)：DN1521.7516.25DN2026.7521.25DN2533.5 27DN3242.2535.75DN4048 41DN5060 53DN7075.5 68DN8088.580.5DN100114106DN125140131DN150
LoseFPSCHILLER WATER 1RT=2.4GPM=3.517KWCONDENSING WATER 1RT=3GPM 冷却水
USRT 制冷量PIPE SIZE 管USRT 制冷量（冷PIPE SIZE 管L
低值H
高值L
低值
(kw)H
高值
(kw)/100ftL
低值H
高值L
低值H
高值
123.5177.0346.323/4DN20123.5177.0343.013/4DN20
3410.55114.0684.541DN253410.55114.0682.971DN25
5717.58524.6194.21-1/4DN325617.58521.1023.431-1/4DN32
81128.13638.6874.311-1/2DN407924.61931.6534.11-1/2DN40
122142.20473.8574.672DN50101735.1759.7894.782DN50
224077.374140.687.112-1/2DN65183363.306116.066.72-1/2DN65
4063140.68221.575.143DN803450119.58175.856.513DN80
63125221.57439.634.894DN10051100179.37351.77.554DN100
125200439.63703.43.855DN125101160355.22562.727.75DN125
201335706.921178.24.036DN150161260566.24914.428.896DN150
3367001181.72461.93.828DN200261500917.941758.510.38DN200
70110002465.435173.0810DN25050185017622989.510.610DN250
100115003520.55275.52.3712DN300851120029934220.410.312DN300
1501185052796506.52.2714DN350120115004223.95275.510.714DN350
1851250065108792.52.0116DN400150120005279703410.916DN400
250129008796101991.4918DN450200123007037.58089.11018DN450
2991375010519131891.3920DN500230130008092.61055110.320DN500
3751500013192175850.9624DN6003001400010555140689.5824DN600
5001830017589291910.73304001650014072228619.7130
83011250029195439630.553665011000022864351709.4636
125011875043966659440.55421000115000351745275510.4242
空调水管管径流量对照表(表内带公式及推荐流速)
0.4m/s0.6m/s0.8m/s1.0m/s1.2m/s1.4m/s1.6m/s1.8m/s2.0m/s2.2m/s2.4m/s2.6m/s2.8m/s3.0m/s内面积m2
200.50.70.91.11.41.61.82.02.32.52.72.93.23.40.000314
250.71.11.41.82.12.52.83.23.53.94.24.64.95.30.000491
321.21.72.32.93.54.14.65.25.86.46.97.58.18.70.000804
401.82.73.64.55.46.37.28.19.010.010.911.812.713.60.001257
502.84.25.77.18.59.911.312.714.115.617.018.419.821.20.001963
654.87.29.611.914.316.719.121.523.926.328.731.133.435.80.003318
807.210.914.518.121.725.329.032.636.239.843.447.050.754.30.005027
10011.317.022.628.333.939.645.250.956.562.267.973.579.284.80.007854
12517.726.535.344.253.061.970.779.588.497.2106.0114.9123.7132.50.012272
15025.438.250.963.676.389.1101.8114.5127.2140.0152.7165.4178.1190.90.017671
20045.267.990.5113.1135.7158.3181.0203.6226.2248.8271.4294.1316.7339.30.031416
25070.7106.0141.4176.7212.1247.4282.7318.1353.4388.8424.1459.5494.8530.10.049087
水管管径流速流量表
0.4m/s0.6m/s0.8m/s1.0m/s1.2m/s1.4m/s1.6m/s1.8m/s2.0m/s2.2m/s2.4m/s2.6m/s2.8m/s3.0m/s200.50.70.91.11.41.61.82.02.32.52.72.93.23.4250.71.11.41.82.12.52.83.23.53.94.24.64.95.3321.21.72.32.93.54.14.65.25.86.46.97.58.18.7401.82.73.64.55.46.37.28.19.010.010.911.812.713.6502.84.25.77.18.59.911.312.714.115.617.018.419.821.2654.87.29.611.914.316.719.121.523.926.328.731.133.435.8807.210.914.518.121.725.329.032.636.239.843.447.050.754.310011.317.022.628.333.939.645.250.956.562.267.973.579.284.812517.726.535.344.253.061.970.779.588.497.2106.0114.9123.7132.515025.438.250.963.676.389.1101.8114.5127.2140.0152.7165.4178.1190.920045.267.990.5113.1135.7158.3181.0203.6226.2248.8271.4294.1316.7339.325070.7106.0141.4176.7212.1247.4282.7318.1353.4388.8424.1459.5494.8530.1300101.8152.7203.6254.5305.4356.3407.1458.0508.9559.8610.7661.6712.5763.4350138.5207.8277.1346.4415.6484.9554.2623.4692.7762.0831.3900.5969.81039.1400181.0271.4361.9452.4542.9633.3723.8814.3904.8995.31085.71176.21266.71357.2450229.0343.5458.0572.6687.1801.6916.11030.61145.11259.61374.11488.61603.21717.7500282.7424.1565.5706.9848.2989.61131.01272.31413.71555.11696.51837.81979.22120.6600407.1610.7814.31017.91221.41425.01628.61832.22035.72239.32442.92646.52850.03053.6
管径流速流量对照表
管径/流速/流量对照表
管径(DN) 流量 m3/h
0.4m/s 0.6m/s 0.8m/s 1.0m/s 1.2m/s 1.4m/s 1.6m/s 1.8m/s 2.0m/s 2.2m/s 2.4m/s 2.6m/s 2.8m/s 3.0m/s 20 0.5 0.7 0.9 1.1 1.4 1.6 1.8 2.0 2.3 2.5 2.7 2.9 3.2 3.4 25 0.7 1.1 1.4 1.8 2.1 2.5 2.8 3.2 3.5 3.9 4.2 4.6 4.9 5.3 32 1.2 1.7 2.3 2.9 3.5 4.1 4.6 5.2 5.8 6.4 6.9 7.5 8.1 8.7 40 1.8 2.7 3.6 4.5 5.4 6.3 7.2 8.1 9.0 10.0 10.9 11.8 12.7 13.6 50 2.8 4.2 5.7 7.1 8.5 9.9 11.3 12.7 14.1 15.6 17.0 18.4 19.8 21.2 65 4.8 7.2 9.6 11.9 14.3 16.7 19.1 21.5 23.9 26.3 28.7 31.1 33.4 35.8 80 7.2 10.9 14.5 18.1 21.7 25.3 29.0 32.6 36.2 39.8 43.4 47.0 50.7 54.3 100 11.3 17.0 22.6 28.3 33.9 39.6 45.2 50.9 56.5 62.2 67.9 73.5 79.2 84.8 125 17.7 26.5 35.3 44.2 53.0 61.9 70.7 79.5 88.4 97.2 106.0 114.9 123.7 132.5 150 25.4 38.2 50.9 63.6 76.3 89.1 101.8 114.5 127.2 140.0 152.7 165.4 178.1 190.9 200 45.2 67.9 90.5 113.1 135.7 158.3 181.0 203.6 226.2 248.8 271.4 294.1 316.7 339.3 250 70.7 106.0 141.4 176.7 212.1 247.4 282.7 318.1 353.4 388.8 424.1 459.5 494.8 530.1 300 101.8 152.7 203.6 254.5 305.4 356.3 407.1 458.0 508.9 559.8 610.7 661.6 712.5 763.4 350 138.5 207.8 277.1 346.4 415.6 484.9 554.2 623.4 692.7 762.0 831.3 900.5 969.8 1039.1 400 181.0 271.4 361.9 452.4 542.9 633.3 723.8 814.3 904.8 995.3 1085.7 1176.2 1266.7 1357.2 450 229.0 343.5 458.0 572.6 687.1 801.6 916.1 1030.6 1145.1 1259.6 1374.1 1488.6 1603.2 1717.7 500 282.7 424.1 565.5 706.9 848.2 989.6 1131.0 1272.3 1413.7 1555.1 1696.5 1837.8 1979.2 2120.6 600 407.1 610.7 814.3 1017.9 1221.4 1425.0 1628.6 1832.2 2035.7 2239.3 2442.9 2646.5 2850.0 3053.6
水管管径流速流量对照表
0.4m/s0.6m/s0.8m/s1.0m/s1.2m/s1.4m/s1.6m/s1.8m/s
200.50.70.91.11.41.61.82
250.71.11.41.82.12.52.83.2
321.21.72.22.93.54.14.65.2
401.82.73.64.55.46.37.28.1
502.84.25.77.18.59.911.312.7
654.87.29.611.914.316.719.121.5
807.210.914.518.121.725.32932.6
10011.31722.628.333.939.645.250.9
12517.726.536.344.25361.970.779.5
15025.438.25063.676.389.1101.8114.5
20045.267.990.5113.1135.7158.3181203.6
25070.7106141.4176.7212.1247.4282.7318.1
300101.8152.7203.6254.5305.4356.3407.1458
350138.5207.8277.1346.4415.6484.9554.2623.4
400181271.4361.9452.4542.9633.3723.8814.3
450229313.5458572.6687.1801.6916.11030.6
500282.7424.1565.5706.9848.2989.611311272.3
600407.1610.7814.31017.91221.414251628.61832.2
20253240506580100
闭式系统0.5-0.60.6-0.70.7-0.90.8-10.9-1.21.1-1.41.2-1.61.3-1.8
开式系统0.4-0.50.5-0.60.6-0.80.7-0.90.8-1.00.9-1.21.1-1.41.2-1.6
冷水管1.5-2.5
水管管径流速流量对照表 2
仅供个人参考
不得用于商业用途 For personal use only in study and research; not for commercial use
管径/流速/流量对照表
管径(DN) 流量 m3/h
0.4m/s 0.6m/s 0.8m/s 1.0m/s 1.2m/s 1.4m/s 1.6m/s 1.8m/s 2.0m/s 2.2m/s 2.4m/s 2.6m/s 2.8m/s 3.0m/s
20 0.5 0.7 0.9 1.1 1.4 1.6 1.8 2.0 2.3 2.5 2.7 2.9 3.2 3.4
25 0.7 1.1 1.4 1.8 2.1 2.5 2.8 3.2 3.5 3.9 4.2 4.6 4.9 5.3
32 1.2 1.7 2.3 2.9 3.5 4.1 4.6 5.2 5.8 6.4 6.9 7.5 8.1 8.7
40 1.8 2.7 3.6 4.5 5.4 6.3 7.2 8.1 9.0 10.0 10.9 11.8 12.7 13.6
50 2.8 4.2 5.7 7.1 8.5 9.9 11.3 12.7 14.1 15.6 17.0 18.4 19.8 21.2
65 4.8 7.2 9.6 11.9 14.3 16.7 19.1 21.5 23.9 26.3 28.7 31.1 33.4 35.8
80 7.2 10.9 14.5 18.1 21.7 25.3 29.0 32.6 36.2 39.8 43.4 47.0 50.7 54.3
100 11.3 17.0 22.6 28.3 33.9 39.6 45.2 50.9 56.5 62.2 67.9 73.5 79.2 84.8
125 17.7 26.5 35.3 44.2 53.0 61.9 70.7 79.5 88.4 97.2 106.0 114.9 123.7 132.5
水管管径-流速-流量对照表
0.4m/s0.6m/s0.8m/s1.0m/s1.2m/s1.4m/s1.6m/s1.8m/s2.0m/s2.2m/s2.4m/s2.6m/s2.8m/s3.0m/s200.50.70.91.11.41.61.82.02.32.52.72.93.23.4
250.71.11.41.82.12.52.83.23.53.94.24.64.95.3
321.21.72.32.93.54.14.65.25.86.46.97.58.18.7
401.82.73.64.55.46.37.28.19.010.010.911.812.713.6
502.84.25.77.18.59.911.312.714.115.617.018.419.821.2
654.87.29.611.914.316.719.121.523.926.328.731.133.435.8
807.210.914.518.121.725.329.032.636.239.843.447.050.754.3
10011.317.022.628.333.939.645.250.956.562.267.973.579.284.8
12517.726.535.344.253.061.970.779.588.497.2106.0114.9123.7132.5
15025.438.250.963.676.389.1101.8114.5127.2140.0152.7165.4178.1190.9
20045.267.990.5113.1135.7158.3181.0203.6226.2248.8271.4294.1316.7339.3
25070.7106.0141.4176.7212.1247.4282.7318.1353.4388.8424.1459.5494.8530.1
300101.8152.7203.6254.5305.4356.3407.1458.0508.9559.8610.7661.6712.5763.4
水管流量管径对照表
水管流量管径对照表
以下是一些常见水管流量与管径对照表：
管径（英寸）\t流量（加仑/分钟）
1/2\t 5
3/4\t 10
1\t 20
1-1/4\t 40
1-1/2\t 50
2\t 80
2-1/2\t 120
3\t 220
4\t 380
6\t 850
请注意，这只是一般情况下的估计值，实际的流量还会受到许多因素的影响，如流速、管道材料、管道长度、管道弯曲等等。
水管流速 管径流速推荐安全值 界限流量一览表(苍松参考)
deps4 一般工程上计算时，水管路，压力常见为0.1--0.6MPa，水在水管中流速在1--3米/秒，常取1.5米/秒。
其中，管内径单位：mm ，流速单位：米/秒 ，饱和蒸汽的公式与水相同，只是流速一般取20--40米/秒。
进水管常取1.8m/s，反冲洗管可去2.5m/s。 HKD
管径流速推荐安全值
管径 闭式管路 开式管路
20 0.5-0.6 0.4-0.5
25 0.6-0.7 0.5-0.6
32 0.7-0.9 0.6-0.8
40 0.8-1 0.7-0.9
50 0.9-1.2 0.8-1.0
65 1.1-1.4 0.9-1.2
80 1.2-1.6 1.1-1.4
100 1.3-1.8 1.2-1.6
125 1.5-2.0 1.4-1.8
150 1.6-2.2 1.5-2.0
200 1.8-2.5 1.6-2.3
250 1.8-2.6 1.7-2.4
300 1.9-2.9 1.7-2.4
350 1.6-2.5 1.6-2.1
400 1.8-2.6 1.8-2.3
deps4 界限流量一览表
管径 经济流量（m3/s） 经济流量（m3/h） 经济流速（m/s）
最低 最高 最低 最高 最低 最高
100 0.00 0.01 0 40 0.00 1.40
150 0.01 0.03 40 90 0.62 1.42
200 0.03 0.05 90 184 0.80 1.62
300 0.05 0.11 184 403 0.72 1.59
400 0.11 0.23 403 835 0.89 1.85
600 0.23 0.51 835 1822 0.82 1.79
800 0.51 0.89 1822 3211 1.01 1.78
1000 0.89 1.39 3211 5015 1.14 1.77
1200 1.39 2.01 5015 7250 1.23 1.78
水管管径流速流量对照表 3
管径/流速/流量对照表
管径(DN) 流量 m3/h
s s s s s s s s s s s s s s
20
25
32
40
50
65
80
100
125
150
200
250
300
350
400
450
500 600
管径(DN) 流速推荐值m/s:
20 25 32 40 50 65 80 100 125 150 200 250 300 350 400
闭式系统
开式系统
水管管径流速流量对照表 4
管径/流速/流量对照表
管径(DN) 流量 m3/h
s s s s s s s s s s s s
20
25
32
40
50
65
80
100
125
150
200
250
300
350
400
450
500
600
管径(DN) 流速推荐值m/s:
20 25 32 40 50 65 80 100 125 150 200 250
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开式系统
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