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APPENDIX
Fluidics nozzle chart
RETURN NOZZLE
The nozzle type Fluidics W is a by-pass
nozzle with integrated spring-loaded
cut-off needle.
The throughput rate is controlled by
varying the return pressure while
keeping the supply pressure at a
constant level.
Prior to burner start, check the nozzle size
against the required output.
It might be necessary to replace the
nozzle (see nozzle selection diagram).
25
50°
70° 90°
20
15
10
5
Bar
Return
pressure
20
40
60
80 100 % Output
Spray
angle
Supply
25 Bar
≤
60 kg/h
> 60 kg/h
