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FBR kn - Heavy oil burners
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…

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Common specifications

FBR
Shared across the range — Noisiness Dba, Nominal Electric Power W, Power KW Max, Weight Kg vary by variant (see table below).
Manufacturer Part Number
450M
stage
2 stages sliding or modulating
fuel type
Dual fuel gas/heavy oil
nozzle mm
480
power kw min
465
ip protection
IP40
pump motor kw
2.2
electrical supply
3
power supply info
3~400V,1/N~230V-50Hz
current absorption a
28
max combustion air temp c
60

From the manufacturer's datasheet

FBR
Thermal 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)1000M3G SKU3G-FBR-00850Noisiness Dba91Nominal Electric Power W34.5Power KW Max8721Weight Kg526
Part No (MPN)1300M3G SKU3G-FBR-00854Noisiness Dba93Nominal Electric Power W41.5Power KW Max8721Weight Kg526
Part No (MPN)1500M3G SKU3G-FBR-00858Noisiness Dba97Nominal Electric Power W49.5Power KW Max8721Weight Kg526
Part No (MPN)1800M3G SKU3G-FBR-00862Noisiness Dba101Nominal Electric Power W61Power KW Max8721Weight Kg526
Part No (MPN)190M3G SKU3G-FBR-00863Noisiness Dba81-82Nominal Electric Power W22Power KW Max2347Weight Kg170
Part No (MPN)190M3G SKU3G-FBR-00865Noisiness Dba81-82Nominal Electric Power W22Power KW Max4070Weight Kg170
Part No (MPN)250M3G SKU3G-FBR-00866Noisiness Dba82-86Nominal Electric Power W29Power KW Max2907Weight Kg182
Part No (MPN)250M3G SKU3G-FBR-00868Noisiness Dba82-86Nominal Electric Power W29Power KW Max4070Weight Kg182
Part No (MPN)350M3G SKU3G-FBR-00869Noisiness Dba84-85Nominal Electric Power W37.5Power KW Max4070Weight Kg274
Part No (MPN)350M3G SKU3G-FBR-00871Noisiness Dba84-85Nominal Electric Power W37.5Power KW Max4070Weight Kg274
Part No (MPN)450M3G SKU3G-FBR-00872Noisiness Dba85-88Nominal Electric Power W46Power KW Max5232Weight Kg306
Part No (MPN)450M3G SKU3G-FBR-00874Noisiness Dba85-88Nominal Electric Power W46Power KW Max4070Weight Kg306
Part No (MPN)550M3G SKU3G-FBR-00875Noisiness Dba87-91Nominal Electric Power W57Power KW Max6395Weight Kg341
Part No (MPN)550M3G SKU3G-FBR-00877Noisiness Dba87-91Nominal Electric Power W57Power KW Max4070Weight Kg341
Part No (MPN)650M3G SKU3G-FBR-00881Noisiness Dba85Nominal Electric Power W17Power KW Max7558Weight Kg526
Part No (MPN)650M3G SKU3G-FBR-00883Noisiness Dba85Nominal Electric Power W17Power KW Max8721Weight Kg526
Part No (MPN)750M3G SKU3G-FBR-00890Noisiness Dba89Nominal Electric Power W25.5Power KW Max8721Weight Kg526
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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

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FBR 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.

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