For high output applications, the FDB burner – which incorporates a combustion air fan – creates a genuine packaged option.

FDB burners are able to provide up to twice the heat output when compared with the DB alternative and they can also be operated within a wider range of variable process air flow conditions.

APL technology – gas and combustion air modulating control
Heat input range – 175 kW to 1,400 kW
Ideal for variable plant operating conditions
Choice of operating fuels

FDB burners offer an alternative short rectangular flame profile compared to the circular combustion output provided by the alternative FDGA range.

Like the FDGA burner range, FDB burners can incorporate Lanemark’s ‘Air Pressure Lead’ (APL) technology, so that all FDB series burners offer an excellent combination of combustion efficiency and emissions control and are especially suited to systems utilizing variable process airflows.

Variable combustion air fan speed control combined with modulating mono-block gas valve technology ensures that safe and efficient gas/air ratios are maintained even under changeable plant operating conditions. Units offer a choice of operation on either natural gas or propane and are particularly suitable for direct fired operations where short flame lengths are a priority.

Download the FDB Burner data sheet here.

ModelBurner Gas ConnectionGas Train Connection*Heat Input Range
FDB011½”1”9 – 175 kW
FDB021½”1”13 – 275 kW
FDB021½”1½"13 – 350 kW
FDB031½”1½"18 – 525 kW
FDB041½”1½"18 – 600 kW
FDB041½”2”25 – 700 kW
FDB051½”2”30 – 875 kW
FDB061½”2”30 – 925 kW
FDB061½”TBA*45 – 1050 kW
FDB071½”TBA*45 – 1225 kW
FDB081½”TBA*45 – 1400 kW


*Gas valve train inlet gas connection dependent on individual project gas supply pressures.

Each FDB packaged burner includes:

a) Burner windbox

b) Combustion air fan (multiple internal duct/external duct mounting options available)

c) Manual air adjustment damper (if required)

d) Compact monoblock air/gas regulator valve train (Models: FDB01 – FDB06)

e) Burner control panel (including combustion air fan speed controller)

Standard control items include a burner controller, ignition transformer and differential air pressure switch. Two 3-way air valves perform safety checks on the air pressure switch in both open and closed modes each time the burner fires, allowing the independent operation of the combustion air fan in conjunction with oven/dryer main recirculation fans.


FuelsNatural gasPropane
Control voltages230V110V
Combustion air fan electrical supplies230V/3ph/50Hz

(provided by internal combustion air fan speed controller)

Flame sensingFlame electrodeUV
Heat output control optionsModulating (gas & air)
External control signals4-20mA/0-10VDC3 Wire (230V/110V/24V)

Paint spray booth air heating – spray and bake cycles

HVAC air replacement schemes

  • factories
  • warehouses
  • distribution centres

Crop dryers

Print media dryers

Paint drying and curing ovens

Lanemark FD burner system assemblies are tested prior to despatch and conform to relevant sections of either European Standard EN 746 Part 2 or the requirements of NFPA 86 for US applications.