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0006081143_200905
DIAGRAM OF FUEL OIL MODULATING BURNERS (MAGNET - NOZZLE WITHOUT PIN)
N° BT
8712/3
1
FILTER
2
BURNER PUMP (20÷22 bar)
3
PRESSURE GAUGE (0÷40 bar)
4
ATOMIZER UNIT
5
RETURN NOZZLE WITHOUT PIN
6
ROD WITH CLOSING PINS
7
BY-PASS HOLES
8
CLOUSING SPRING
9
OPENING ELECTROMAGNET
10
RETURN PRESSURE REGULATOR
MIN = 10-12 BAR MAX = 18-20 BAR
CONNECTION AT THE FUEL FEEDING
DIAGRAM FOR ONE OR MORE
BURNERS
(SEE 0002901120; 8511/6; 8513/7)
11
MODULATION SERVOMOTOR
12
CONTROL DISK FOR VARIATION OF FUEL / AIR DELIERY
13
AIR REGULATION SHUTTERS
14
FLEXIBLE PIPE
15
ELECTRIC PRE-HEATER
16
SELF-CLEANING 0.3 mm FILTER
17
THERMOMETER
18
MIN. PRE-HEATER THERMOSTAT
19
MAX. PRE-HEATER THERMOSTAT
20
PRE-HEATER ADJUSTER THERMOSTAT
21
NOZZLE RETURN THERMOSTAT
DIAGRAM OF A DISMANTLED ( C.B. ) CHARLES BERGONZO NOZZLE (WITHOUT PIN)
N BT
9353/1
Nozzle ID.:
Flow rate kg/h
Spray angle (30° - 45° - 60° - 80°)
Flow ratio (1/3 = B3 - 1/5 = B5)
Viton O-ring (oil and teperature resistant)
Fuel outlet
Fuel return hole
Fuel inlet
Fuel return
Air turbolence
chambre
!
For the nozzle to operate properly, its "return" section must never be completely closed. This is achived by regulating where the
burner is started up for the first time. In practice, when the nozzle is operating at the maximum flow rate, the difference in pressure
between the "delivery" (pump pressure) and "return" (pressure at the return pressure regulator) pressure (running to and from the
nozzle) must be at least 2 ÷ 3 bar.
Example:
Pump pressure
20 bar
Pump pressure
22 bar
Return pressure
20 - 2 = 18 bar
Return pressure
22 - 3 = 19 bar
Return pressure
20 - 3 = 17 bar
Return pressure
22 - 2 = 20 bar
Содержание GI 350 DSPN
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