Capacity of natural gas pipes calculator

pipe inside diam. (in)
pressure drop (in WC)
pipe length (ft)
specific gravity (SG)

Capacity of natural gas pipes formula

q = 3550 k ( h / l SG)1/2

where

q = natural gas flow capacity (cfh)

h = pressure drop (in Water Column)

l = length of pipe (ft)

k = [d5 / (1 + 3.6 / d + 0.03 d)]1/2

d = inside diameter pipe (in)

SG = specific gravity

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