Installation Instructions

47
Nominal Iron Internal
Pipe Size (in.) Diameter (in.) 10 20 30 40 50 60 70 80 90 100 125 150 175 200
1/4” 0.364 43 29 24 20 18 16 15 14 13 12 11 10 9 8 3/8” 0.493 95 65 52 45 40 36 33 31 29 27 24 22 20 19 1/2” 0.622 175 120 97 82 73 66 61 57 53 50 44 40 37 35 3/4” 0.824 360 250 200 170 151 138 125 118 110 103 93 84 77 72
1” 1.049 680 465 375 320 285 260 240 220 205 195 175 160 145 135
1
1
/4” 1.380 1400 950 770 660 580 530 490 460 430 400 360 325 300 280
1
1
/2” 1.610 2100 1460 1180 990 900 810 750 690 650 620 550 500 460 430
2” 2.067 3950 2750 2200 1900 1680 1520 1400 1300 1220 1150 1020 950 850 800
2
1
/2” 2.469 6300 4350 3520 3000 2650 2400 2250 2050 1950 1850 1650 1500 1370 1280
3” 3.068 11000 7700 6250 5300 4750 4300 3900 3700 3450 3250 2950 2650 2450 2280 4” 4.026 23000 15800 12800 10900 9790 8800 8100 7500 7200 6700 6000 5500 5000 4600
SIZING TABLES AND PRESSURE DROP CHARTS
Maxim
um Capacity of Steel IPS Pipe in Cubic Feet Per Hour with a
Gas Pressure of 0.5 psi or less and a Pressure Drop of 0.5 in. WC
(based on a 0.60 Specific Gravity Gas)
IRON PIPE CAPACITY TABLES
*Table reproduced from National Fuel Gas Code NFPA-54
Tubing Length ( feet)