Sheet 4343-23 Page 2
COOLING AIR, FUEL FLOW RATES AND PRESSURES Required Air-Cooled Injector Pressures and Flows
2 ½ "
3 ½ "
(units)
Fuel Flow
scfh
2000 - 8500 8500 - 30,000
Fuel Pressure
psi
1.00
1.00
Requirement @ Max. Flow Cooling Air Flow Rate
scfh
2000
3000
Cooling Air Pressure
psi
1.00
1.00
Requirement
FURNACE TEMPERATURE VS. INJECTOR EXHAUST TEMPERATURE (chart used for appropriate routing of hot exhaust piping)
Medium Size Injector with 2000 SCFH cooling air 2 ½ " Injector with 2000 SCFH cooling air
350
300
250
200
150
1400
1600
1800
2000
2200
2400
Furnace Temperature (°F)
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