Fuel Pipe Sizing - Briggs & Stratton 7000 Rated Watts Home Standby Generator Installation, Start-Up And Owner's Manual

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Fuel Pipe Sizing

Figures 8 and 9 provide the maximum capacity of pipe in
cubic feet of gas per hour for gas pressures of 0.5 psi or
less and a pressure drop of 0.3 in. water column. Specific
gravity of gas is shown.
Figure 8 — NATURAL GAS (NG) Pipe Size - Gas Flow Chart, in cubic feet per hour
NPT 10ft
1/2" 168
3/4" 346
1" 653
Natural Gas (sg=0.65)
Figure 9 — LIQUID PROPANE (LP) GAS Pipe Size - Gas Flow Chart, in cubic feet per hour
NPT 10ft
1/2" 110
3/4" 277
1" 428
Liquid Propane (LP) (sg=1.50)
Briggs & Stratton Power Products Home Standby Generator
Installation, Start-Up and Owner's Manual
15ft 20ft 30ft
146 115 93
293 240 192
549 446 360
15ft 20ft 30ft
96 76 61
192 158 126
360 293 236
www.mymowerparts.com
Listed values 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.
40ft 50ft 60ft
79 70 63
163 145 132
307 274 250
40ft 50ft 60ft
52 46 42
107 95 87
202 180 164
14
70ft 80ft 90ft
59 55 51
120 113 106
230 211 197
70ft 80ft 90ft
38 36 33
79 74 69
151 139 129
100ft
48
99
187
100ft
32
65
123