Capacities of different sizes and lengths of pipe in cubic feet per hour with a pressure drop of 0.3 inch of water column of gas of 0.60 sp. gr. are shown in Table 1. In using this table, no allowance for an ordinary number of fittings is necessary.
TABLE 1 CAPACITY OF PIPE OF DIFFERENT DIAMETERS AND LENGTHS IN CUBIC FEET PER HOUR WITH PRESSURE DROP OF 0.3 INCH AND SPECIFIC GRAVITY OF 0.60 | ||||||||||
IRON PIPE SIZE (IPS) INCHES | ||||||||||
Length of Pipe (Ft.) | 1/2 | 3/4 | 1 | 1-1/4 | 1-1/2 | 2 | 3 | 4 | 6 | 8 |
15 | 76 | 172 | 345 | 750 | 1,220 | 2,480 | 6,500 | 13,800 | 38,700 | 79,000 |
30 | 52 | 120 | 241 | 535 | 850 | 1,780 | 4,700 | 9,700 | 27,370 | 55,850 |
45 | 43 | 99 | 199 | 435 | 700 | 1,475 | 3,900 | 7,900 | 23,350 | 45,000 |
60 | 38 | 86 | 173 | 380 | 610 | 1,290 | 3,450 | 6,800 | 19,330 | 39,500 |
75 | 77 | 155 | 345 | 545 | 1,120 | 3,000 | 6,000 | 17,310 | 35,300 | |
90 | 70 | 141 | 310 | 490 | 1,000 | 2,700 | 5,500 | 15,800 | 32,250 | |
105 | 65 | 131 | 285 | 450 | 920 | 2,450 | 5,100 | 14,620 | 29,850 | |
120 | 120 | 270 | 420 | 860 | 2,300 | 4,800 | 13,680 | 27,920 | ||
150 | 109 | 242 | 380 | 780 | 2,090 | 4,350 | 12,240 | 25,000 | ||
180 | 100 | 225 | 350 | 720 | 1,950 | 4,000 | 11,160 | 22,800 | ||
210 | 92 | 205 | 320 | 660 | 1,780 | 3,700 | 10,330 | 21,100 | ||
240 | 190 | 300 | 620 | 1,680 | 3,490 | 9,600 | 19,740 | |||
270 | 178 | 285 | 580 | 1,580 | 3,250 | 9,000 | 18,610 | |||
300 | 170 | 270 | 545 | 1,490 | 3,000 | 8,500 | 17,660 | |||
450 | 140 | 226 | 450 | 1,230 | 2,500 | 7,000 | 14,420 | |||
600 | 119 | 192 | 390 | 1,030 | 2,130 | 6,000 | 12,480 | |||
(Ord. 368. Passed 8-4-50.)