DIAGRAM OF PIPES OF FEED SYSTEM FOR LIGHT OIL BURNERS OR HEAVY OIL
BURNERS WITH MAXIMUM NOMINAL VISCOSITY (5 °E AT 50 °C)
E
N
G
L
I
S
HYDRAULIC DIAGRAM
H
1 - FILTER
2 - FLEXIBLE PIPE
3 - BURNER PUMP (20÷22 BAR)
4 - PRESSURE GAUGE (0÷40 BAR)
5 - MODULATION SERVOMOTOR
6 - DISK WITH SCREWS FOR AIR/FUEL SUPPLY REGULATION
7 - DISK WITH ADJUSTMENT SCREWS FOR THE OPENING AND CLOSING
OF AIR TO THE COMBUSTION HEAD
1 - Main tank
2 - Filter
3 - Circulation pumps
4 - Water outlet and circuit
5 - Air/gas outlet usulally closed
6 - Degasifierand combustion recovery tank
7 - No return valve
8 - By pass
The light oil recovery tanks (diameter ~ 150 - height ~ 400) should be
installed as near as possible to the burner and should be about 0,5 m.
higher with respect to the burner's pump.
8 - AIR PRESSURE
9 - RETURN PRESSURE REGULATOR
MIN 10-12 BAR MAX 18-20 BAR
10 - PRESSURE GAUGE (0 ÷ 40 BAR)
11 - REDUCTION UNIT OR (PILOT) PRESSURE STABILISER
12 - GAS MINIMUM AND MAXIMUM PRESSURE
SWITCH WITH (PILOT) PRESSURE INTAKES
13 - PILOT LIGHT IGNITION SAFETY VALVE
14 - MAIN GAS VALVE FOR IGNITION FLAME
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0006080764_201006
N° 8666-3
REV. 02/10/2002