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APPLICATION OF THE BURNER TO BOILER
for model BT 40 ÷ 250 DSN4T (steel fi xing fl ange)
APPLICATION OF THE BURNER TO BOILER
for model BT 300 - 350 DSN4T
REMARKS
When tightening the fl ange, it is important to do it evenly so that the inner faces are parallel between
them. Since the locking system is highly effi cient, do not tighten the nuts too much.
During this operation (tightening of the fl ange locking nuts) keep the body of the burner lifted so that
the combustion head is kept in a horizontal position.
The burner is correctly fi tted if the preheating tank is slightly tilted (i.e. higher on the fuel outlet side towards the
nozzle). This slight tilt prevents any build-up of gas inside the tank.
The presence of gas inside the preheating tank will considerably lengthen the time required to get the fuel up to
pressure. Therefore the burner could easily lock-out.
When fi tting the burner to the boiler make sure that it is not positioned in a way that cancels out this tilt or, even
worse, that the preheater is tilted the opposite way.
TWO STAGE HEAVY OIL BURNER
27 / 80
0006080415 ed2005/08
N° 0002933330
1 - Boiler plate
2 - Insulating gasket
3 - Burner fi xing fl ange
4 - Elastic collar
5 - Stud bolt
6 - Locking nut with washer
7 - Nut and washer for fastening the fi rst
fl ange
N° 0002933340
1 - Boiler plate
2 - Insulating gasket
3 - Burner fi xing fl ange
4 - Stud bolt
5 - Locking nut with washer
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