Capacities in these tables are based on the properties of commercial propane gas (LP) with a specific gravity of 1.52. Physical properties of the gas are based on those properties given in the Gas Processors Suppliers Association Engineering Data Book, Eleventh Edition.
Table 3LP - Maximum Capacity* for the Flow of Undiluted LP Gases Through Copper Tube in a Low Pressure System of Less than 14 inches wc and Pressure Drop of 0.5 inches wc, CFH.**
Table 4LP - Maximum Capacity* for the Flow of Undiluted LP Gases Through Copper Tube in a Low Pressure System of Less than 14 inches wc and Pressure Drop of 1 inch wc, CFH.**
Table 5LP - Maximum Capacity* for the Flow of Undiluted LP Gases Through Copper Tube in an Elevated Pressure System of 2 psig and Pressure Drop of 1.0 psig., CFH.** (Based on atmospheric pressure at sea level.)
Table 6LP - Maximum Capacity* for the Flow of Undiluted LP Gases Through Copper Tube in an Elevated Pressure System of 5 psig and Pressure Drop of 3.5 psig, CFH.** (Based on atmospheric pressure at sea level.)
Table 8LP - Maximum Capacity* for the Flow of Undiluted LP Gases Through Copper Tube in a Low Pressure System of Less than 14 inches wc and Pressure Drop of 2.5 inches wc, CFH.**
Notes:
* Includes a 20% factor for fittings
** See
Table 7.