*SIRIE FNL-FNDL
MODEL: FNDL 8-FNDL 16-FNDL 25
Min kW 57 Max kW 285

DETAILED SPECIFICATION:
• Fan at high pressurisation
• Combustion head with adjustment at high efficiency and high flame stability
• FNL for fluid heavy oil up to 3,5°E at 50°C
• FNDL for dense heavy oil up to 20°E at 50°C
• Disposition rationalized of the components with accessibility facilitated for the operations of setting and maintenance.
• Complete of flange and gasket for installation on boiler, nozzles, flexible pipes, line filter (for the models FNDL the line filter is electrically heated and equipped with a thermostat).

*SIRIE FNP-FNDP
MODEL: FNDP 25/2-FNDP 45/2-FNDP 70/2-FNDP 100/2-FNDP 125/2-FNDP 150/2
Min kW 137 Max kW 1744

DETAILED SPECIFICATION: 
• Fan at high pressurisation
• Combustion head with adjustment at high performance and elevated flame stability
• Flange and insulating gasket for fixing at boiler
• Three-phase with neutral power supply
• Photo resistance for flame detection
• Easy extraction of combustion head without get off the burners by boiler.

*SIRIE FNDP
MODEL: FNDP 190/3-FNDP 250/3-FNDP 350/3 EL
Min kW 456/911 Max kW 3988
Burners for heavy oil at three stages.
• Fan at high pressurisation
• Combustion head with adjustment at high efficiency and high flame stability
• Complete of servomotors for the opening of the air shutters
• Suitable for heavy oil up to 20°E to 50°C and for BTZ heavy oil.
• Disposition rationalized of the components with accessibility facilitated for the operations of setting and maintenance.
• Complete of flange and gasket for installation on boiler, nozzles, flexible pipes, line filter electrically heated and equipped with a thermostat.

*SIRIE FNDP
*Available version with MECHANICAL CAM (MEC) or ELECTRONIC CAM (EL)
MODEL: FNDP 70/M-FNDP 100/M-FNDP 125/M-FNDP 150/M-FNDP 190/M (MEC OR EL)-250/M (MEC OR EL)-FNDP 350/M (MEC & EL) -FNDP 450/M (MEC & EL)-FNDP 550/M (MEC & EL)-FNDP 650/M (MEC OR EL)-750/M (MEC & EL)-1000/M (MEC & EL)-FNDP 1300/M EL-FNDP 1500/M EL-FNDP 1800/M EL
Min kW 205/399 Max kW 17442

DETAILED SPECIFICATION: 
• Burner frame made of steel completed by specific boiler plate
• Centrifugal fan at high pressurization with reverse curved blades at low noisiness
• Combustion head with adjustment at high performance and elevated flame stability equipped with steel blast tube and steel flame disc
• Easy extraction of combustion head without get off the burners by boiler
• Combustible-air adjustment for optimal combustion value
• Flange and insulating gasket for fixing at boiler/furnace
• PID regulators for the control of fuel heaters
• Electronic control system for controlling and command the burner LAMTEC BT3
• UV Photocell for flame detection
• Three-phase power supply; Safety air pressure switch to stop the burner in case of failed or anomalous fan operation
• Maximum oil pressure switch to stop the burner in case of the oil pressure on the return is higher than the set point value
• Servomotor for air shutter
• Mobile shutter with total closure when idle for minimize the energetic losses related at boiler cooling
• Servomotor for heavy oil adjust
• Heavy oil gear pump operated by specific electric motor
• Thermocouples for detecting the oil temperature
• Button for the manual tank load
• Multistage pre-heating tank with specific flanged heaters at low density (antic racking and anti-gas)
• Resistances (always n) for pump, nozzle and fuel valve
• Pressure manometer on inlet pump
• Thermometer inside pre-heating tank for temperature heavy-oil
• Nozzle assembly with magnet to control inlet/return needle nozzle
• Double filter between pump and nozzle
• Set up for the additional specific kit that transforms burner operation as modulating i.e. The modulating kit allows to supply any power between the minimum and maximum value based on instantaneous loading request.