Danfoss BFPM 61 Data sheet
70-1438.11
.10
Data sheet
Oil Motor Pump type BFPM 61
Application
Function
The BFPM range is a series of Danfoss oil pumps in
combination with a highly efficient permanent
magnet motor.
The BFPM Electronic Controller must be used for
controlling BFPM motor pumps (see separate data
sheet for BFPM Electronic Controller).
BFPM 61 is designed with a pressure transducer,
which makes it ideal for small, modulating oil
burners.
BFPM 61 features:
• Light oil and kerosene
• 1- or 2-pipe operation
• 1-stage modulating
• Built-in pressure regulator
• Solenoid valve cut-off
• Cartridge filter
• Pressure transducer
• Variable set points and up to 3 set-back periods
per day
PT
PTPT
© Danfoss | 2019.05
Pressure Suction Return
From the suction inlet (S) oil is drawn through the
filter (H) to the gear set, where the pressure is
increased. When voltage is applied to the
NC-valve, it opens and releases oil to the nozzle
outlet.
The pressure transducer (PT) reports the achieved
pressure and the control, in conjunction with the
oil/air ratio control, regulates the motor speed.
The built-in pressure regulator prevents
overpressure. Default setting is 30 bar.
Cut-off function, solenoid valve
When the burner stops, the voltage to the
NC-valve is cut off and the oil flow to the nozzle
outlet is cut off immediately.
Danfoss
Bleeding
In 2-pipe systems the pump is self-priming, i.e.
bleeding is performed via the constriction (O) to
the return outlet (R).
In 1-pipe systems with plugged return outlet (R),
bleeding must be performed through the nozzle
outlet (E) or the pressure gauge port (P).
Warranty
For pumps used outside the stated technical data
and used with oil containing abrasive particles
Danfoss cannot give any warranty.
Note! The solenoid valve must be replaced after
250.000 operations or 10 years (approved life
expectancy).
VD.DK.O5.02| 1
Data sheet Oil Motor Pump type BFPM 61
Identification
Technical Data
BFPM 6 1 L 3 L
L: left hand nozzle outlet
3: capacity 24 l/h
L: left hand rotation
1: with one solenoid valve
6: pressure sensor
Nozzle capacity at 4.3 cSt., 10 bar, 2800 min
Oil types
-1
Standard fuel gas oil and fuel gas oil acc. to
DIN V 51603-6 EL A Bio-10 (max. 10% FAME)
Viscosity range (measured in suction inlet) (1.3) 1.8 to 12.0 cSt. (mm2/s)
Filter area/mesh 11/ 20 0 cm2/µm
Pressure range
1)
5 to 28 bar
Adjustable pressure, safety limitation 30 bar
Max. pressure in suction inlet/return outlet 2 bar
Speed 300 to 3400 min
-1
Ambient/transport temperature -20 to +70° C
Temperature of medium 0 to +70° C
Power supply/drive BFPM motor
2)
230 V switched from controller
Coil power consumption 9 W
Coil rated voltage (other voltages on request) 220/240 V, 50/60 Hz
Coil enclosure IP 40
1)
Max. 12 bar at 1.3 cSt., max. 15 bar at 1.8 cSt.
2)
Warning: Do not connect BFPM motor directly to 230 V/50Hz power supply!
Nozzle capacity Modulation
Power consumption
2 | © Danfoss | 2019.05
VD.DK.O5.02
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