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Propane Gas - Sizing Pipe Lines

Sizing low pressure propane gas pipe lines - Metric units.

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The tables and diagrams below can be used to size propane gas pipe lines.

Propane Gas - Pipe Sizing - Imperial Units

Steel Pipe - Schedule 40

Capacity of Pipe (kW)
Pipe Size (in)	Pipe Length (m)
Pipe Size (in)	3	6	12	24	50
1/2	70	48	33	22	15
3/4	145	100	69	47	32
1	274	188	130	89	60
1 1/4	560	387	265	182	123
1 1/2	840	580	400	274	184
2	1625	1117	768	527	354
2 1/2	2590	1780	1223	841	565
3	4580	3145	2160	1487	1000
4	9340	6415	4410	3030	2040
5	16900	11615	7980	5485	3690
6	27360	18800	12920	8880	5970
8	56220	38640	26560	18250	12270

pressure less than 10 kPa
fittings factor 1.5 - equivalent pipe length = pipe length + 50%
pressure drop 125 Pa
energy content in propane gas 94 MJ/m³
steel pipes schedule 40

Copper Tubing - type K

Capacity of Pipe (kW)
Nominal Pipe Size (O.D) (in)	Pipe Length (m)
Nominal Pipe Size (O.D) (in)	3	6	12	24
1/4 (3/8)	11	7	5	3
3/8 (1/2)	22	15	11	7
1/2 (5/8)	45	31	21	15
5/8 (3/4)	79	54	37	26
3/4 (7/8)	112	77	53	36
1 (1 1/8)	239	165	113	77
1 1/4 (1 3/8)	430	295	203	140

pressure less than 10 kPa
fittings factor 1.5 - equivalent pipe length = pipe length + 50%
pressure drop 125 Pa
energy content in propane gas 94 MJ/m³
copper tubing type K

Copper Tubing - type L

Capacity of Pipe (kW)
Nominal Pipe Size (O.D) (in)	Pipe Length (m)
Nominal Pipe Size (O.D) (in)	3	6	12	24
1/4 (3/8)	12	8	5	4
3/8 (1/2)	26	18	12	8
1/2 (5/8)	50	34	23	16
5/8 (3/4)	83	57	39	27
3/4 (7/8)	128	88	60	41
1 (1 1/8)	258	177	122	83
1 1/4 (1 3/8)	450	308	211	145

pressure less than 10 kPa
fittings factor 1.5 - equivalent pipe length = pipe length + 50%
pressure drop 125 Pa
energy content in propane gas 94 MJ/m³
copper tubing type L

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Related Topics

Gases and Compressed Air - Air, LNG, LPG and other common gas properties, pipeline capacities, sizing of relief valves.
Fluid Flow and Pressure Loss - Pipe lines - fluid flow and pressure loss - water, sewer, steel pipes, pvc pipes, copper tubes and more.

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LPG Pipes - Pressure Loss vs. Gas Flow - Resistance and pressure loss in liquid LPG pipes.
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Propane - Density and Specific Weight vs. Temperature and Pressure - Online calculator, figures and tables showing density and specific weight of propane, C₃H₈, at temperatures ranging from -187 to 725 °C (-305 to 1300 °F) at atmospheric and higher pressure - Imperial and SI Units.
Propane - Dynamic and Kinematic Viscosity vs. Temperature and Pressure - Online calculators, figures and tables showing dynamic and kinematic viscosity of liquid and gaseous propane at varying temperarure and pressure, SI and Imperial units.
Propane - Latent Heat of Vaporization vs. Temperature - Latent heat with vaporized propane.
Propane - Prandtl Number vs. Temperature and Pressure - Figures and tables with Prandtl Number of liquid and gaseous propane at varying temperarure and pressure, SI and Imperial units.
Propane - Thermal Conductivity vs. Temperature and Pressure - Online calculator, figures and tables showing thermal conductivity of liquid and gaseous propane at varying temperarure and pressure, SI and Imperial units.
Propane - Thermal Diffusivity vs. Temperature and Pressure - Figures and tables showing thermal diffusivity of liquid and gaseous propane at varying temperarure and pressure, SI and Imperial units.
Propane - Thermophysical properties - Chemical, physical and thermal properties of propane gas - C₃H₈.
Propane - Vapor Pressure vs. Temperature - Vapor pressure vs. temperature.
Propane Air Mixture - Energy content and specific gravity of propane air mixtures.
Propane Butane Mixture - Evaporation Pressure - Evaporation pressure of propane butane mixture vs. temperature.
Propane Gas Piping - Capacity vs. Size - Sizing of propane gas pipe lines with pressures above 5 psig (35 kPa).
Propane Gas Piping - Low Pressure Capacity vs. Size - Sizing of low pressure propane gas pipe lines - Imperial units.

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