Fuel Consumption; Natural Gas - Briggs & Stratton 30000 Serie Manual De Instalación Y Arranque

Sistema generador doméstico enfriado por líquido
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When the initial test runs are completed, the manometer
is removed and the port is plugged. A typical final fuel
connection assembly is shown here, where (A) is the fuel
supply and (B) goes to the home generator.
A
Fuel Pipe Sizing
There are numerous on-line or otherwise-published
references for fuel pipe sizing. The installer should consider
the specific gravity of gas and compensate for a nominal
amount of restriction from bends, fittings, etc. If an unusual
number of fittings, bends, or other restrictions are used,
please refer to federal and local codes.
12
B

Fuel Consumption

Estimated fuel supply requirements at half and full load for
natural gas and LP vapor fuels are shown below.

Natural Gas

1/2 Load
Full Load
27kW
259 C
420 C
259,000 B 420,000 B
30kW
N/A
N/A
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".
LP Vapor
1/2 Load
Full Load
N/A
N/A
N/A
N/A
N/A
92 C
150 C
N/A
228,800 B 373,000 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
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