fuel consumption
Estimated fuel supply requirements at half and full load for
natural gas and LP vapor fuels are shown here.
natural Gas
1/2 Load
Full Load
102 C
12kW
102,000 B 195,000 B
126 C
15kW
126,000 B 242,000 B
C = Cubic feet per hour
B = BTU's per hour
Physical
Properties
normal atmospheric
state
Boiling Point (in °f):
initial
end
heating Value:
Btu per gallon (net
LhV*)
Btu per gallon (gross**)
cubic feet (gas)
Density***
Weight†
octane number:
research
Motor
*
LHV (Low Heat Value) is the more realistic rating.
**
Gross heat value does not consider heat lost in the form of water during
combustion.
*** Density is given in "Cubic Feet of Gas per Gallon of Liquid".
†
Weight is given in "Pounds per Gallon of Liquid".
14
LP Vapor
1/2 Load
Full Load
195 C
41 C
103,000 B
197,000 B
242 C
56 C
140,000 B
270,000 B
LP Vapor
natural
Gas
Gas
Gas
-44
-259
-44
-259
83,340
63,310
91,547
2,500
1,000
36.39
57.75
4.24
2.65
110+
110+
97
79 C
108 C