Briggs & Stratton 7000 WATT 206484GS Installation And Operator's Manual page 13

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