Gas Flow Information
Flow of gas in pipes of a density of .6 (nat Gas)
With a pressure drop of 1.0 mbar
| Length of straigh run in Mtrs. for screwed medium steel tube BS1387 | |||||
| Nominal Size ID | 6 | 12 | 20 | 30 | 50 |
| 15mm ... 1/2" | (m3/hr) 2.9 |
(m3/hr) 2.0 |
(m3/hr) 1.4 |
(m3/hr) 1.2 |
(m3/hr) 1.0 |
| 20mm ... 3/4" | 6.6 | 4.5 | 3.3 | 2.6 | 2.0 |
| 25mm ... 1" | 12 | 8.4 | 6.3 | 5.1 | 3.7 |
| 32mm ... 1 1/4" | 26 | 18 | 14 | 11 | 8.1 |
| 40mm ... 11/2" | 41 | 27 | 21 | 16 | 12 |
| 50mm ... 2" | 77 | 52 | 40 | 31 | 23 |
| 65 mm ... 2 1/2" | 150 | 100 | 79 | 62 | 47 |
| 80mm ... 3" | 230 | 160 | 120 | 97 | 73 |
| 100mm ... 4" | 475 | 331 | 250 | 200 | 150 |
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Post:
Advanced Maintenance Services Ltd
FCL House
Rodney Road
Fratton
Portsmouth
PO4 8SY