4/9/98
A-24 Application of the Hygrometer (900-901D1)
Table A-3:  Maximum Liquid Flow Rates
Based on the physical characteristics of benzene at a 
temperature of 77°F, the following flow rates will produce 
the maximum allowable fluid linear velocity of 10 cm/sec 
in the corresponding pipe sizes.
Inside Pipe 
Diameter (in.)
Flow Rate
(gal/hr)
Flow Rate
(l/hr)
0.25 3 11
0.50 12 46
0.75 27 103
1.0 48 182
2.0 193 730
3.0 434 1,642
4.0 771 2,919
5.0 1,205 4,561
6.0 1,735 6,567
7.0 2,361 8,939
8.0 3,084 11,675
9.0 3,903 14,776
10.0 4,819 18,243
11.0 5,831 22,074
12.0 6,939 26,269