GAS PIPING
Table 5.1: | Natural Gas |
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Model |
| Input | Input |
| (Cubic Ft/Hr) | (Cubic Meter/Hr) | |
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| 70 | 2.0 | |
| 105 | 3.0 | |
| 140 | 4.0 | |
| 165 | 4.7 | |
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Based on 1000 Btu/Cubic Ft.
Table 5.2: | LP Gas |
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Model |
| Input | Input |
| (Cubic Ft/Hr) | (Cubic Meter/Hr) | |
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| 28 | 0.8 | |
| 42 | 1.2 | |
| 56 | 1.6 | |
| 66 | 1.9 | |
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Based on 2500 Btu/Cubic Ft.
Table 5.3: Pipe Capacity
Capacity of pipe of different diameters and lengths in cubic feet per hour [cubic meter per hour] with a pressure drop of 0.3 inches of water [75 kPa] and a specific gravity of 0.60. No allowance for an ordinary number of fittings is required.
Pipe | ³⁄₄″ | 1″ | 1¹⁄₄″ | 1¹⁄₂″ |
Length in | ||||
Feet | Pipe | Pipe | Pipe | Pipe |
[Meters] |
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10 [3.0] | 278 [7.9] | 520 [14.7] | 1050 [29.7] | 1600 [45.3] |
20 [6.1] | 190 [5.4] | 350 [9.9] | 730 [20.7] | 1100[ 31.1] |
30 [9.1] | 152 [4.3] | 285 [8.1] | 590 [16.7] | 890 [25.2] |
40 [12.2] | 130 [3.7] | 245 [6.9] | 500 [14.2] | 760 [21.5] |
50 [15.2] | 115 [3.3] | 215 [6.1] | 440 [12.5] | 670 [19.0] |
60 [18.3] | 105 [3.0] | 195 [5.5] | 400 [11.3] | 610 [17.3] |
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Maximum Capacity Correction Factors for Specific Gravity other than 0.60.
Specific Gravity | 0.50 | 0.55 | 0.60 | 0.65 | 0.70 | 0.75 |
Correction Factor | 1.10 | 1.04 | 1.00 | 0.96 | 0.93 | 0.90 |
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Specific Gravity | 0.80 | 0.85 | 0.90 | 1.00 | 1.10 | 1.20 |
Correction Factor | 0.87 | 0.84 | 0.82 | 0.78 | 0.74 | 0.71 |
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Specific Gravity | 1.30 | 1.40 | 1.50 | 1.60 | 1.70 | 1.80 |
Correction Factor | 0.68 | 0.66 | 0.63 | 0.61 | 0.59 | 0.58 |
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