Fuel Pipelines (Diesel) - baltur BT 250 DSG 4T Manual De Instrucciones De Uso

FUEL PIPELINES (DIESEL)

The following description covers merely the basic requirements for
an efficient operation. The unit is equipped with a self-suction pump,
capable of drawing oil directly from the tank also for the first fill-up.
To ensure efficient operation, it is preferable to make intake and
return pipes with welded fittings and to avoid the use of threaded
connections which often cause air infiltrations and disturb pump
operation and consequently burner operation.
Where a removable fitting is required, use the welded flange
method inserting a fuel resistant gasket to obtain a positive sealing.
For systems requiring pipes with a relatively small diameter we
recommend the use of copper pipes. For unavoidable joints we
recommend the use of biconic fittings. The annexed tables show
the indicative diagrams for the different types of systems depending
on the position of the tank in respect to the burner.
The suction pipe should run up-slope towards the burner to prevent
possible formation of gas bubbles. Where more burners are installed
in one boiler room, it is essential that every burner has its own
suction pipe. Only return pipes can lead to a single manifold pipe
with an adequate cross section leading to the tank. Never connect
the return pipe directly to the suction pipe. It is a good practice to
properly heat-insulate the suction and return pipes to prevent cooling
which would otherwise affect the unit efficiency. Pipe diameters (to be
strictly complied with) are listed in the following tables. The maximum
amount of vacuum that the pump can withstand noiselessly under
normal operating conditions is 35 cm Hg; if this limit is exceeded
normal pump operation will no longer be guaranteed. Maximum
suction and return pressure = 1 bar.
BALTUR PUMP - 300 ÷ 700 /HP MODEL
1 Intake
2 Vacuum gauge connection 1/4"
3 Return
4 Pump data plate
5 Nozzle delivery
6 Pressure gauge connection 1/4"
7 Heating element seat
8 Pump pressure regulation
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