Briggs & Stratton 7000 WATT 206484GS User Manual
Page 13
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13
Themanometerportpermitstemporaryinstallationofa
manometertoensurethattheenginereceivesthecorrect
fuelpressuretooperateefficientlythroughoutitsoperating
range.
NOTE:Adigitalmanometer,P/N19495,isavailableatyour
localBriggs&Strattonservicecenter.
Whentheinitialtestrunsarecompleted,themanometer
isremovedandtheportisplugged.Atypicalfinalfuel
connectionassemblyisshownhere,where(A)isthefuel
supplyand(B)goestothehomegenerator.
Fuel Consumption
Estimatedfuelsupplyrequirementsathalfandfullloadfor
naturalgasandLPvaporfuelsareshownbelow.
Fuel Pipe Sizing
Thetablesbelowprovidethemaximumcapacityofpipein
cubicfeetofgasperhourforgaspressuresof0.5psior
lessandapressuredropof0.3in.watercolumn.Specific
gravityofgasisshown.
Listedvaluescompensateforanominalamountof
restrictionfrombends,fittings,etc.Ifanunusualnumberof
fittings,bends,orotherrestrictionsareused,pleasereferto
federalandlocalcodes.
B
A
Natural Gas
LP Vapor
1/Load
FullLoad
1/Load
FullLoad
80C
137C
33C
56C
80,000B
137,000B
8,500B
140,000B
C=Cubicfeetperhour
B=BTU’sperhour
NPT
10ft
15ft
20ft
30ft
40ft
50ft
60ft
70ft
80ft
90ft
100ft
1/”
168
146
115
93
79
70
63
59
55
51
48
3/4”
346
93
40
19
163
145
13
10
113
106
99
1”
653
549
446
360
307
74
50
30
11
197
187
Natural Gas Pipe Size - Gas Flow chart, in cubic feet per hour, specific gravity=0.65
NPT
10ft
15ft
20ft
30ft
40ft
50ft
60ft
70ft
80ft
90ft
100ft
1/”
110
96
76
61
5
46
4
38
36
33
3
3/4”
77
19
158
16
107
95
87
79
74
69
65
1”
48
360
93
36
0
180
164
151
139
19
13
Liquid Propane (LP) Gas Pipe Size - Gas Flow chart, in cubic feet per hour, specific gravity=1.50