Riello PRESS 140 P/N Installation, Use And Maintenance Instructions page 23

Heavy oil burners progressive two-stage or modulating operation
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PRESS 300 P/N
PRESS 450 P/N
Diagrams relating to nozzles:
BERGONZO type B5 - 50° with 25 bar delivery pressure.
50° recommended atomisation angles
For narrow combustion chambers use nozzles at 35°.
Installation
Flow rate (kg/h)
Flow rate (kg/h)
21
GB
D3432
Fig. 17
D3433
Fig. 18
20170392

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