BTN85-150LR Series is a two-stage light oil burner family for higher-output boiler and process heat applications, covering the 255 to 1540 kW output range.
Operating Modes
Two-stage
Key Features
High-pressure mechanical nozzle atomization supports stable fuel delivery.
Combustion air and blast-pipe adjustment help tune combustion values on site.
Hinged access keeps routine inspection and maintenance straightforward.
A hydraulic regulator adjusts first- and second-stage air flow.
A flange and high-temperature insulation pad are used for boiler connection.
Combustion air inlet includes a flow regulating device.
The air inlet is designed with noise reduction.
High-temperature stainless-steel flame disc supports durable operation.
A three-phase motor drives the fan and oil pump.
A photoresistor monitors flame presence.
Electrical protection rating is IP40.
General Specifications
Model
Article No.
Power(kW)
Power supply
Motor power(kW)
Package size(L*W*H/mm)
Weight(kg)
BTN85LR
202 20 025
255~830
380V 50Hz
1.1
1010x905x760
70
BTN120LR
202 20 026
356~1186
1.5
76.5
BTN150LR
202 20 027
486~1540
2.2
80
Dimensions
Model
A1(mm)
A2(mm)
B1(mm)
B2(mm)
C(mm)
D(mm)
E(mm)
I(mm)
L(mm)
M(mm)
N(mm)
BTN85LR
355
325
428
160
1042
250
180
290~370
320
4-M16
190
BTN120LR
335
BTN150LR
1072
280
190
200
Burner outline and mounting dimensions for the BTN85–150LR family. Performance Curve
Operating envelopes for the illustrated BTN85LR, BTN120LR and BTN150LR burners.
