REGULATOR
INLET
PRESSURE (PSIG)
PRESSURE
FACT
OR
1 1.05
2 1.11
3 1.18
4 1.25
5 1.32
6 1.39
7 1.45
8 1.53
9 1.59
10 1.66
11 1.72
12 1.81
13 1.86
14 1.93
15 2.00
MODEL NO. STD GAS TRAIN
SIZE (IN.) Note 3
MIN. GAS PRES-
SURE (IN.W.C.)
Note
4
MIN. GAS PRES-
SURE (IN.W.C.)
Note 5
BURNER MODEL
FLX-150 1 11.2 12.5 PFVG-15
FLX-200 1 19.4 21.7 PFVG-20
FLX-250 1.5 12.4 15.7 PFVG-25
FLX-300 1.5 15.9 20.7 PFVG-30
FLX-350 1.5 15.5 22.0 PFVG-35
FLX-400 1.5 18.7 27.2 PFVG-40
FLX-450 2 16.0 26.7 PFVG-45
FLX-500 2 17.6 21.0 PFVG-50
FLX-550 2 22.9 27.1 PFVG-55
FLX-600 2 20.0 24.9 PFVG-60
FLX-700 2 25.2 31.9 PFVG-70
FLX-800 2.5 19.9 22.2 PFVG-80
FLX-900 2.5 24.7 27.7 PFVG-90
FLX-1000 2.5 31.6 31.6 PFVG-100
FLX-1100 2.5 37.3 37.3 PFVG-110
FLX-1200 2.5 38.2 38.2 PFVG-120
Notes:
1. Table is based on 1,000 Btu/cu.ft natural gas and elevation to 1000 feet.
2. Minimum gas pressure also applies to 200 fuel series.
3. As an option, the standard gas train can be replaced with an
oversized design to reduce inlet gas
pressure requirements.
4. Use this column for all U.S. Installations.
5. Use this column for all Canadian Installation
s.
Adjustment Procedures Chapter 5
750-177 5-11
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