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 |
380V 50Hz |
1.5 |
1010x905x760 |
76.5 |
| BTN150LR |
202 20 027 |
486~1540 |
380V 50Hz |
2.2 |
1010x905x760 |
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 |
355 |
335 |
428 |
160 |
1042 |
250 |
180 |
290~370 |
320 |
4-M16 |
190 |
| BTN150LR |
355 |
335 |
428 |
160 |
1072 |
280 |
190 |
290~370 |
320 |
4-M16 |
200 |

Performance Curve
