Siemens Standby Generators User Manual

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" H
2
O pressure drop.
– Sizing includes a nominal number of elbows and tees.
– Please verify adequate service and meter sizing.
5

Siemens Standby Generators Specifications

General

Brand	Siemens
Model	Standby Generators
Category	Portable Generator
Language	English