Application of the Hygrometer (900-901D1) A-23
4/9/98
Table A-2: Maximum Gas Flow Rates
Based on the physical characteristics of air at a
temperature of 77°F and a pressure of 1 atm, the following
flow rates will produce the maximum allowable gas stream
linear velocity of 10,000 cm/sec in the corresponding pipe
sizes.
Inside Pipe Diameter (in.) Gas Flow Rate (cfm)
0.25 7
0.50 27
0.75 60
1.0 107
2.0 429
3.0 966
4.0 1,718
5.0 2,684
6.0 3,865
7.0 5,261
8.0 6,871
9.0 8,697
10.0 10,737
11.0 12,991
12.0 15,461
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