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Average Properties of LP-Gas

Average Properties of LP-Gas

Product catalog summary
Specifications:
- Chemical Formula: C3H8
- Boiling Point: -44 to -42 °C
- Specific Gravity (Air = 1): 1.53
- Liquid Density at 60°F: 4.24 pounds per gallon
- BTU per Gallon of Liquid at 60°F: 19,745
- BTU per Pound of Gas: 21,591
- BTU per Cubic Foot of Gas at 60°F: 2,516
- Cubic Feet of Vapor per Gallon of Liquid at 60°F: 36.93
- Cubic Feet of Vapor per Pound of Liquid at 60°F: 8.745
- Latent Heat of Vaporization at Boiling Point: 87.0 BTU per Gallon
Combustion Data:
- Cubic Feet of Air Required to Burn 1 Cubic Foot of Gas: 23.68
- Flash Point: -156 to -104 °C
- Ignition Temperature in Air: 920 to 1020 °C
- Maximum Flame Temperature in Air: 1,953 °C
- Flammability Limits in Air: Lower Limit 2.4%, Upper Limit 9.6%
- Octane Number: Over 100
Propane Tank Capacities:
- Domestic Tank Sizes and Vaporization Capacities at 40% Liquid Level:
- 120 Gallons: 235,800 BTU/hr at 20°F, 417,792 BTU/hr at 60°F
- 150 Gallons: 290,403 BTU/hr at 20°F, 515,096 BTU/hr at 60°F
- 200 Gallons: 343,082 BTU/hr at 20°F, 606,720 BTU/hr at 60°F
- 250 Gallons: 404,080 BTU/hr at 20°F, 721,029 BTU/hr at 60°F
- 325 Gallons: 514,001 BTU/hr at 20°F, 739,009 BTU/hr at 60°F
- 500 Gallons: 636,230 BTU/hr at 20°F, 1,121,861 BTU/hr at 60°F
- 1000 Gallons: 1,080,274 BTU/hr at 20°F, 1,879,150 BTU/hr at 60°F
Standard Domestic Propane Tank Specifications:
- 120 Gallons: Diameter 24 inches, Length 68 inches, Weight 288 pounds
- 150 Gallons: Diameter 24 inches, Length 84 inches, Weight 353 pounds
- 200 Gallons: Diameter 30 inches, Length 79 inches, Weight 464 pounds
- 250 Gallons: Diameter 30 inches, Length 94 inches, Weight 545 pounds
- 325 Gallons: Diameter 30 inches, Length 119 inches, Weight 676 pounds
- 500 Gallons: Diameter 37 inches, Length 119 inches, Weight 1,060 pounds
- 1000 Gallons: Diameter 41 inches, Length 291 inches, Weight 1,891 pounds
Orifice Capacities:
- Orifice Size and Drill Size with Corresponding Capacity in BTU/hr at 11 inches Water Column:
- Drill Size 80: 53,296 BTU/hr
- Drill Size 70: 92,207 BTU/hr
- Drill Size 60: 157,617 BTU/hr
- Drill Size 50: 248,939 BTU/hr
- Drill Size 40: 780,029 BTU/hr
Key Parameters:
- BTU per Cubic Foot: 2,516
- Specific Gravity: 1.25
- Pressure at Orifice: 11 inches of water column
- Orifice Coefficient: 0.9
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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.