流量计算表

管道气体流量参考表外径外径壁厚截面积

流量1Kg/cm 2

2Kg/cm 2

3Kg/cm 2

4Kg/cm 2

5Kg/cm 2

6Kg/cm 2

7Kg/cm 2

8Kg/cm 2

9Kg/cm 210Kg/cm 2

SLPM

9.8419.6829.5339.3749.2159.0568.8978.7388.5898.42M 3/H 0.59 1.18 1.77 2.36 2.95 3.54 4.13 4.72 5.31 5.91SLPM

28.3056.6184.91113.22141.52169.82198.13226.43254.73283.04M 3/H 1.70 3.40 5.09 6.798.4910.1911.8913.5915.2816.98SLPM

49.2298.44147.66196.88246.10295.32344.54393.76442.98492.20M 3/H 2.95 5.918.8611.8114.7717.7220.6723.6326.5829.53SLPM

116.90233.79350.69467.59584.48701.38818.28935.171052.071168.97M 3/H 7.0114.0321.0428.0635.0742.0849.1056.1163.1270.14SLPM

230.16460.32690.47920.631150.791380.951611.101841.262071.422301.58M 3/H 13.8127.6241.4355.2469.0582.8696.67110.48124.29138.09SLPM

570.691141.381712.072282.752853.443424.133994.824565.515136.205706.89M 3/H 34.2468.48102.72136.97171.21205.45239.69273.93308.17342.41SLPM

1063.232126.463189.704252.935316.166379.397442.628505.859569.0910632.32M 3/H 63.79127.59191.38255.18318.97382.76446.56510.35574.15637.94SLPM

1707.793415.575123.366831.158538.9410246.7211954.5113662.3015370.0817077.87M 3/H 102.47204.93307.40409.87512.34614.80717.27819.74922.211024.67SLPM

2504.355008.717513.0610017.4212521.7715026.1317530.4820034.8422539.1925043.55M 3/H 150.26300.52450.78601.05751.31901.571051.831202.091352.351502.61SLPM

4468.698937.3813406.0717874.7622343.4526812.1431280.8435749.5340218.2244686.91M 3/H 268.12536.24804.361072.491340.611608.731876.852144.972413.092681.21SLPM

10163.6120327.2130490.8240654.4250818.0360981.6371145.2481308.8591472.45101636.06M 3/H

609.82

1219.63

1829.45

2439.27

3049.08

3658.90

4268.71

4878.53

5488.356098.16

室温250C,设计流速10M/S 情况下洁净管道流量参考值

惰性气体（一般气体）设计流速小于15M/S 易燃/助燃气体设计流速小于8M/S

特气（腐蚀，有毒）设计流速小于4M/S

3"4"6"

1"

1.5"2"

2.5"1/4"3/8"

1/2"3/4"152.40

2.77

16939.34

101.60 2.117447.82

76.20 1.654173.92

63.50 1.652846.31

50.80

1.65177

2.05

38.10 1.65951.15

25.40

1.65383.60

19.05 1.65194.83

12.70 1.2482.03

6.350.8916.40

9.53

0.8947.17