The BTN40-55L LR Series is a light oil burner range for boilers, hot air generators and industrial heating systems that need stable mechanical atomisation across medium output demands. The family covers both single-stage and two-stage configurations, making it suitable for projects that require straightforward commissioning with room for tighter firing control.
Combustion and Service Features
High-pressure mechanical atomisation through the oil nozzle for consistent flame formation.
Combustion air and blast-pipe adjustment for matching the burner to the heating chamber.
Hinged opening structure for easier inspection and maintenance access.
Adjustable blast pipe with stainless steel nozzle and steel deflector disk.
Combustion air intake with an air-flow adjustment device.
Single-phase motor drives the fan and pump assembly.
Photo-resistance flame supervision, IP40 electrical protection and plastic protection cover.
Model Range
Model
Article No.
Power
Power Supply
Motor Power
Package Size
Weight
BTN40L
202 20 016
97-395 kW
230 V 50 Hz
0.45 kW
645 x 600 x 472 mm
/
BTN40LR
202 20 023
28 kg
BTN55L
202 20 017
155-485 kW
/
BTN55LR
202 20 024
28 kg
Dimensional Data
Model
A1
A2
B1
B2
C
D
E
N
I
L
M
BTN40L
253
215
297
110
693
210
160
170
218-260
220
4-M10
BTN40LR
BTN55L
BTN55LR
Performance Curve
Operating envelopes for the illustrated BTN40L/LR and BTN55L/LR burners.