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Table A.4
Oil Nozzle Press. Drop vs. Burner Heat Input
• Pressure drops for #2 Oil with 137,000 Btu/lb. gross heating value.
2
6
4
2
1
8 10
20
40
60
80 100
200
300
4
6
8
10
20
40
60
6V
8V
10V
12V 14V 16V 18V 22V 24V 28V
36V
32V
Burner Gross Heat Input (MMBtu/hr.)
Oil Nozzle Pressure Drop (psig)
Table A.5
Atomizing Air Pressure Drop vs. Air Flow
• When air is used for atomization of heavy oil, it should be preheated to
approximately the same temperature as the oil.
10
60
40
20
10
80 100
1,000
200
400
600
20
30
15
40
50
60
Atomizing Air Flow (SCFM)
Atomizing Air
Pressure Drop (psig)
8V
6V
10V 12V 14V
18V 22V
28V
36V
16V
24V
32V
A-4
Note:
Fuel pressure drop curves should be used as a guide for setting up
burner. It is recommended to use a direct fuel flow measurement
(orifice plate or flow meter) for calculating actual fuel flows.
Eclipse Vortometric Burner v2.00, Installation Guide 248, 4/10///