FBRHeavy oil burners
Fbr Kn
17 sizes & variants — select below · Noisiness Dba: 11 options · Nominal Electric Power W 17–61 · Power KW Max 2347–8721 · Weight Kg 170–526
The FBR KN 450/M is a heavy oil burner for industrial heating applications, featuring dual fuel gas/heavy oil capability with 2-stage modulating control. It delivers 465–4070 kW output with a 480 mm nozzle and…
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
From the manufacturer's datasheet
FBRThermal power min-max
580/1850-5220 kW
Flow-rate G20 (natural gas) min-max
58/187-526 Nm³/h
Flow-rate G31 (LPG) min-max
22/72-203 Nm³/h
Fuel
Natural gas (second family) - LPG (third family)
Combustible category
2R'|2H'|2L'|2E'|2E+'|2Er'|2ELL'|2E(R)B|38/P'|3+'|3P'|38'|3R
Operation mode
Intermittent (min. 1 stop every 24 hours) at 2 stages progressive or modulating
Max temperature combustion air
60 °C
Heavy-oil flow-rate min-max
50/160-450 kg/h
Features
- Dual fuel burner for gas and heavy oil
- Progressive (hi-low flame) or PID fully modulating with optional modulation kit
- Fan at high pressurization, high efficiency combustion head
- Pilot flame for gas ignition
- Gas train includes working valve, safety valve, minimum gas pressure switch, filter-stabilizer
- Supplied with nozzle, fuel switch, gasket, flexible hoses, pre-heated line filter and thermostat
Typical applications
Heavy oil burnersIndustrial heatingBoiler installationsDual fuel applications
Reference conditions: Room temperature 20°C, atmospheric pressure 1013 mbars, altitude 0m (sea level)
Minimum pressure of gas train varies with pipe size; check datasheet for specific values
Select a size
Showing 17 / 17 variants — scroll the table for more
| Part No (MPN)1000M | 3G SKU3G-FBR-00850 | Noisiness Dba91 | Nominal Electric Power W34.5 | Power KW Max8721 | Weight Kg526 | |
| Part No (MPN)1300M | 3G SKU3G-FBR-00854 | Noisiness Dba93 | Nominal Electric Power W41.5 | Power KW Max8721 | Weight Kg526 | |
| Part No (MPN)1500M | 3G SKU3G-FBR-00858 | Noisiness Dba97 | Nominal Electric Power W49.5 | Power KW Max8721 | Weight Kg526 | |
| Part No (MPN)1800M | 3G SKU3G-FBR-00862 | Noisiness Dba101 | Nominal Electric Power W61 | Power KW Max8721 | Weight Kg526 | |
| Part No (MPN)190M | 3G SKU3G-FBR-00863 | Noisiness Dba81-82 | Nominal Electric Power W22 | Power KW Max2347 | Weight Kg170 | |
| Part No (MPN)190M | 3G SKU3G-FBR-00865 | Noisiness Dba81-82 | Nominal Electric Power W22 | Power KW Max4070 | Weight Kg170 | |
| Part No (MPN)250M | 3G SKU3G-FBR-00866 | Noisiness Dba82-86 | Nominal Electric Power W29 | Power KW Max2907 | Weight Kg182 | |
| Part No (MPN)250M | 3G SKU3G-FBR-00868 | Noisiness Dba82-86 | Nominal Electric Power W29 | Power KW Max4070 | Weight Kg182 | |
| Part No (MPN)350M | 3G SKU3G-FBR-00869 | Noisiness Dba84-85 | Nominal Electric Power W37.5 | Power KW Max4070 | Weight Kg274 | |
| Part No (MPN)350M | 3G SKU3G-FBR-00871 | Noisiness Dba84-85 | Nominal Electric Power W37.5 | Power KW Max4070 | Weight Kg274 | |
| Part No (MPN)450M | 3G SKU3G-FBR-00872 | Noisiness Dba85-88 | Nominal Electric Power W46 | Power KW Max5232 | Weight Kg306 | |
| Part No (MPN)450M | 3G SKU3G-FBR-00874 | Noisiness Dba85-88 | Nominal Electric Power W46 | Power KW Max4070 | Weight Kg306 | |
| Part No (MPN)550M | 3G SKU3G-FBR-00875 | Noisiness Dba87-91 | Nominal Electric Power W57 | Power KW Max6395 | Weight Kg341 | |
| Part No (MPN)550M | 3G SKU3G-FBR-00877 | Noisiness Dba87-91 | Nominal Electric Power W57 | Power KW Max4070 | Weight Kg341 | |
| Part No (MPN)650M | 3G SKU3G-FBR-00881 | Noisiness Dba85 | Nominal Electric Power W17 | Power KW Max7558 | Weight Kg526 | |
| Part No (MPN)650M | 3G SKU3G-FBR-00883 | Noisiness Dba85 | Nominal Electric Power W17 | Power KW Max8721 | Weight Kg526 | |
| Part No (MPN)750M | 3G SKU3G-FBR-00890 | Noisiness Dba89 | Nominal Electric Power W25.5 | Power KW Max8721 | Weight Kg526 |
Not sure this is the right part? Get a recommendation.
Need installation or engineering help?
Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineerAsk a question
Frequently Asked Questions
What is the thermal power range for KN 450/M?
580/1850-5220 kW
What fuels can this burner use?
Natural gas (second family) and LPG (third family), as well as heavy oil 5°-20° E to 50° C.
What is the maximum combustion air temperature?
60 °C
Customer reviews
No reviews yet — be the first
Questions & answers
No questions yet — ask us the firstFBR Products
3G Electric supplies FBR heavy oil burners. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
