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Installation
5.8.2 Nozzle
The spray patterns in relation to the leading brands of nozzle on
sale are shown in (Tab. G).
The nozzle deliveries indicated in the Tab. F are the rated values.
In reality, the delivery may differ by +/- 10% due to the reasons
below:
• tolerance values indicated by the manufacturer;
• temperature variation:
delivery decreases with a rise in temperature and vice-versa;
• variations in fuel viscosity:
delivery decreases with a decrease of viscosity and vice-ver-
sa.
A burner's exact delivery can only be determined by weighing.
Suck the fuel from a recipient mounted on a weighing machine,
or attach hoses to the nozzles and weigh the fuel that flows out.
A liter counter can be applied to the pump's suction line if a sin-
gle-pipe supply system has been provided.
Nozzle manufacturers discourage opening of the nozzle to
clean its internal parts and especially its calibrated hole. The
filter, on the other hand, may be cleaned or replaced as re-
quired. Grip the nozzle on its hexagonal part when handling.
Tab. G
Spray Delevan
Monarc
h
Danfoss Steinen
hollow
APLHH - PH
solid
BARS Q
universal
W NS - PLP B SS
semi-
solid
ER- S
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