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The tables below can be used for natural gas pipe sizing. Steel Pipe - Schedule 40. Natural Gas - Pipe Sizing - Metric Values. Download Natural Gas Pipe Capacity Chart as pdf-file. pressure less than 1 1/2 psig. common to use fittings factor 1.5 - equivalent pipe length in table above = pipe length + 50% pressure drop 0.5 inches water column.
NOTE: The sizing charts above list the specific pipe sizes required for the amount of BTU’s for a new gas line installations. If you are using an existing gas line you must take into consideration the existing gas line capacities to ensure you will have proper pressure.
Sizing natural gas pipes - pressures above 5 psi (35 kPa). The tables and diagrams below can be used to size natural gas pipes with pressures above 5 psi (35 kPa) . For full table - rotate the screen! For natural gas the nominal BTU/cf varies from about 900 to 1100 BTU/cf.
Once the equivalent length is determined, use gas pipe sizing charts provided by relevant codes or standards, such as the International Fuel Gas Code (IFGC) or the National Fuel Gas Code (NFPA 54), to determine sizing.
The gas pipe sizing chart provides a comprehensive reference for determining the ideal pipe size based on various factors, including the length of the pipe run and the required BTU (British Thermal Units) supply for the appliances connected to the system.
The Gas Code contains sizing tables and information that must be used to size most gas systems. Some large commercial and industrial systems fall outside the scope of this book and must be sized by other engineering practices. There are software programs available that will design and size fuel gas piping systems.
Table A. Pipe Sizing Data Maximum deliver capacity of pipes of different diameters and lengths in cubic feet of gas per hour for an initial pressure of 2.0 PSI and a gas of .06 specific gravity.
Gas line sizing charts play an integral role in ensuring safe and efficient installations of natural gas or propane systems. They provide a systematic approach towards determining correct pipe sizes based on multiple factors such as length of run, total BTU load, and type/number of fittings used.
Table A. Table B. Pipe sizing data. Maximum deliver capacity of pipes of different diameters and lengths in cubic feet of gas per hour for an initial pressure of 7 inch water column with a 0.5 inch water column pressure drop and a gas of 0.6 specific gravity. Total Equivalent Length of Pipe (feet)
Natural Gas Sizing Tables Table 5.3 Low Pressure Natural Gas (Less than 2 PSI with 0.5 in. w.c. drop) Maximum Capacity of HOME-FLEX Underground® Poly Pipe in BTU/h (British Thermal Units per Hour) of