JOHNSON CONTROLS
89
APPENDIX A - TABLES
A
FORM 155.17-N1
ISSUE DATE: 4/1/2013
TABLE 7 - CAPACITY OF PIPE - NATURAL GAS (CFH) WITH PRESSURE DRIP OF 0.3" W.C. AND SPECIFIC
GRAVITY OF 0.60
PIPE
LENGTH
(FEET)
PIPE SIZE (INCHES) (IPS)
1 1-1/4 1-1/2 2 2-1/2 3 4
10 520 1050 1600 3050 4800 8500 17500
20 350 730 1100 2100 3300 5900 12000
30 285 590 890 1650 2700 4700 9700
40 245 500 760 1450 2300 4100 8300
50 215 440 670 1270 2000 3600 7400
60 195 400 610 1150 1850 3250 6800
70 180 370 560 1050 1700 3000 6200
80 170 350 530 990 1600 2800 5800
90 160 320 490 930 1500 2600 5400
100 150 305 460 870 1400 2500 5100
125 130 275 410 780 1250 2200 4500
150 120 250 380 710 1130 2000 4100
175 110 225 350 650 1050 1850 3800
200 100 210 320 610 980 1700 3500
Use correction factor table for other specic gravities and pressure drops.
TABLE 8 - CORRECTION FACTORS*
SPECIFIC
GRAVITY
MULTIPLIER
PRESSURE
DROP
MULTIPLIER
0.50 1.10 0.1 0.577
0.60 1.00 0.2 0.815
0.70 0.926 0.3 1.00
0.80 0.867 0.4 1.16
0.90 0.817 0.6 1.42
1.00 0.775 0.8 1.64
PROPANE - AIR 1.0 1.83
1.10 0.740 2.0 2.58
PROPANE 3.0 3.16
1.55 0.622 4.0 3.65
BUTANE 6.0 4.47
2.00 0.547 8.0 5.15
*To be used for specic gravities or pressure drops
TABLE 9 - EQUIVALENT LENGTH OF FITTINGS (FT.)*
PIPE SIZE (IPS) 1 1.25 1.5 2.0 2.5 3.0 4.0
STD. TEE THROUGH SIDE 5.5 7.5 9.0 12.0 14.0 17.0 22.0
STD. E11 2.7 3.7 4.3 5.5 6.5 8.0 12.0
45° E11 1.2 1.6 2.0 2.5 3.0 3.7 5.0
PLUG COCK 3.0 4.0 5.5 7.5 9.0 12.0 16.0
*Based on schedule 40 iron pipe
To Next Page
Loading...
Need help?
General
