P&F Distributors


High Pressure Flow of Propane Gas

in DriscoPlex® Pipe


1. Average ID used in all calculations. It equals the nominal OD minus 2.12 times the minimum wall thickness.

2. For flow in SCF/hr at sea level divide flow by 2488. Heat value of Propane Gas is 2488 BTU/scf at sea level.

3. Calculations used high pressure (>1.5 psi) equation from Chapter 12 in National Fuel Gas Code.


Q = Flow (cubic ft per hr), D = ID (in), Cr = 1.2462 for propane, p1 = upstream pressure (psi),

p2 = downstream pressure (psi), L = equivalent length (ft)

Click link(s) below to print, download and view the details

Propane Gas High Pressure 10 psi Drop 1 psi Outlet