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Low Pressure Steam Pipes - Pressure Drops

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Pressure drop in low pressure steam pipes:

Low Pressure Steam Pipes - Pressure Drops
Initial Steam Pressure
Typical Pressure Drop
(psi per 100 ft)
1 0.13
2 0.13
5 0.26
10 0.51
15 1
  • 1 psi (lbf/in2) = 0.001 ksi = 144 psf = 6894.8 Pa (N/m2) = 6.895x10-3 N/mm2 = 0.06895 bar = 27.68 in H2O at 4°C/39°F = 2.307 ft H2O at 4°C/39°F = 703.1 mm H2O at 4°C/39°F = 2.036 in Hg at 0°C/32°F = 51.71 mm Hg at 0°C/32°F = 703.1 kgf/m2 = 0.06805 atm = 16 oz/in2
  • 1 ft = 0.3048 m
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