Generator sizing guide, Table 4 – fuel pipe sizing – Siemens Standby Generators User Manual
Page 6
Generator Sizing Guide
Table 4 – Fuel Pipe Sizing
Natural Gas
Pipe Size (in.)
kW
0.75"
1"
1.25"
1.5"
2"
2.5"
3"
7
55
200
820
10
20
85
370
800
13
10
50
245
545
16
40
190
425
20
20
115
265
950
25
10
75
180
660
35
35
95
370 915
45
15
60
260
650
60
25
145
390
1185
70
5
75
225
710
80
65
195
630
100
40
140
460
130
50
215
150
30
150
LP vapor (LPV)
Pipe Size (in.)
kW
0.75"
1"
1.25"
1.5"
2"
2.5"
3"
7
165
570
10
70
255
1000
13
45
170
690
16
30
130
540
20
15
80
340
745
25
50
235
520
35
20
125
290
1030
45
82
195
725
60
45
115
445
1095
70
20
60
260
660
80
15
50
230
590
100
30
165
430
1305
130
70
205
660
150
45
150
490
Note: – Table values are maximum pipe run in feet.
– Pipe sizing is based on .5" H2O pressure drop.
– Sizing includes a nominal number of elbows and tees.
– Please verify adequate service and meter sizing.
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