Natural Gas Appliance Btu Chart

As you can quickly see if we sized the gas line to only carry 100 ft3 of natural gas then we d never be able to get 100 000 btu hr from the furnace because not enough fuel is arriving at the appliance.
Natural gas appliance btu chart. One cubic foot of lp gas 2516 btu this chart refers to low pressure lp after regulation standard nominal pressure at the burner for liquid propane gas is 11 of water column. Look at the chart on the back of this insert to assist you in determining the proper pipe size for your job. Pipe sizing chart liquid propane lp gas flow is given in thousands of btu hr. The average btu per cubic foot is 1 100.
The heating value can be obtained from the gas supplier. Minimum size of piping outlets. Each appliance has a minimum input demand in btus per hour. Btu rating of each appliance.
To obtain the cubic feet per hour of gas required divide the input of the appliances by the average btu kw h heating value per cubic foot of the gas. 1000 btu 1 cfh. A therm is a measurement of the amount of heat energy in natural gas equal to 100 000 btus. To obtain the cubic feet per hour of gas required divide the input of the appliances by the average btu kw h heating value per cubic foot of the gas.
Make sure the gas line can handle your generator. Where the rating of the gas appliance s to be installed is unknown table 1 shall be permitted to be used to estimate requirements of typical appliances. Natural gas pipe line sizing chart. Example of a pipe system for a residential home.
Natural gas is measured in therms or btus. If the average heating value per unit of fuel is known about 1 000 btu ft 3 37 3 mj m for natural gas the volume of gas required per hour can be calculated. A therm is a measurement of the amount of heat energy in natural gas equal to 100 000 btus. Pipe sizing chart liquid propane.
The ifgc requires the input rating of all appliances be shown on. To add a generator to a gas system you have to make sure you do not starve the other appliances. Btu h w as specified by the appliance manufacturer. Proper sizing of the pipe is important so that each gas appliance receives enough gas to perform properly.
The average btu per cubic foot in the bay area is 1 100. The gas line must be sized 1 3 larger to compensate for elevation. Natural gas is measured in therms or btus. The size of the supply piping outlet for any gas appliance shall not be less than one half 1 2 inch.
The current charge for natural gas from wps is 0 4166 per therm. The chart below gives some examples of typical btu demands. Min pressure inches water column. Natural gas through the pipe.
A btu or british thermal unit is the quantity of heat required to raise the temperature of one pound of water by one degree fahrenheit.