Y must be kept as lower as possible in order to avoid cavitation. Anyway Y< 4 m.
N.B. = X < 20 m
N.B. = X < 20 m
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Installation - Oil feeding and suction line
Length pipe (m)
Length pipe (m)
FEEDING LINE WITH DANFOSS BFP21 R3
Length pipe (m)
Length pipe (m)
FEEDING LINE WITH SUNTEC AS V 47 A
Correction of altitude
Pump in suction (H +) or charging (H -)
Altitude (m) Theoretical H (m)
0-500 0
501-800 0,5
801-1300 1,0
1301-1800 1,5
1801-2200 2,0
e.g.: altitude 1100m Theoretical H = 1m actual H 2m, Corrected H for suction 2 + 1 = 3m Corrected H for charging 2 - 1 = 1m.
Choose the Ø of the piping from the table, based on the length expanded between the tank and pump. If corrected H for suction
exceeds 4m; make provisions for a transfer pump (max. pressure 2 bar).
!
The length of the tubes apply to
burners powered by 50 Hz mains
electricity; in case of 60 Hz power,
divide the relevant lengths by 1.5.