Aerco INNOVATION INN1060, User Manual

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Page 146 of 200
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 • Ph.: 800-526-0288
07/21/11
GF-5030
TAG-0044_0A
Gas Supply Design Guide
Gas Piping Tables
The data in the following pipe and vent sizing tables have been extracted from the National Fire
Protection Association Article 54 (NFPA 54)
TABLE 1
Maximum Capacity of Pipe in Cubic Feet of Gas per Hour for Gas Pressures of 0.5 psi or Less
and a Pressure Drop of 0.3 inch Water Column
Nominal
Iron Pipe
Size
(Inches)
Internal
Diameter
(Inches)
Total Equivalent Length of Pipe (Feet)
10 20 30 40 50 60 70 80 90 125 150 175 200
2.00 2.067 3,050 2,100 1,650 1,450 1,270 1,150 1,050 990 930 780 710 650 610
2.50 2.469 4,800 3,300 2,700 2,300 2,000 1,850 1,700 1,600 1,500 1,250 1,130 1,050 980
3.00 3.068 8,500 5,900 4,700 4,100 3,600 3,250 3,000 2,800 2,600 2,200 2,000 1,850 1,700
4.00 4.026 17,500 12,000 9,700 8,300 7,400 6,800 6,200 5,800 5,400 4,500 4,100 3,800 3,500
TABLE 2
TABLE 3
Pipe Sizing Table for 2 Pounds Pressure Capacity of Pipes of Different Diameters and Lengths in Cubic
Feet per Hour for an Initial Pressure of 2.0 psi with a 10% Pressure Drop and a Gas of 0.6 Specific Gravity
Pipe Size of
Schedule 40
Standard Pipe
(Inches)
Internal
Diameter
(Inches)
Total Equivalent Length of Pipe (Feet)
50 100 150 200 250 300 400 500
2.00 2.067 6589 4528 3636 3112 2758 2499 2139 1896
2.50 2.469 10501 7217 5796 4961 4396 3983 3409 3022
3.00 3.068 18564 12759 10246 8769 7772 7042 6027 5342
3.50 3.548 27181 18681 15002 12840 11379 10311 8825 7821
4.00 4.026 37865 26025 20899 17887 15853 14364 12293 10895
5.00 5.047 68504 47082 37809 32359 28680 25986 22240 19711
6.00 6.065 110924 76237 61221 52397 46439 42077 36012 31917
Pg. 6 of 10
Pipe Sizing Table for 1 Pound Pressure Capacity of Pipes of Different Diameters and Lengths in Cubic
Feet per Hour for an Initial Pressure of 1.0 psi with a 10% Pressure Drop and a Gas of 0.6 Specific Gravity
Pipe Size of
Schedule 40
Standard Pipe
(Inches)
Internal
Diameter
(Inches)
Total Equivalent Length of Pipe (Feet)
50 100 150 200 250 300 400 500
2.00 2.067 4245 2918 2343 2005 1777 1610 1378 1222
2.50 2.469 6766 4651 3735 3196 2833 2567 2197 1947
3.00 3.068 11962 8221 6602 5650 5008 4538 3884 3442
3.50 3.548 17514 12037 9666 8273 7332 6644 5686 5039
4.00 4.026 24398 16769 13466 11525 10214 9255 7921 7020
5.00 5.047 44140 30337 24362 20851 18479 16744 14330 12701
6.00 6.065 71473 49123 39447 33762 29923 27112 23204 20566
8.00 7.981 146849 100929 81049 69368 61479 55705 47676 42254