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Serie BT DSPN

Technical and functional features

  • Heavy oil burners.
  • Two-stage progressive output operation.
  • Ability to operate with output modulation by means of automatic RWF40 regulator mounted on the control panel (order separately with the specific modulation kit).
  • Compatible with any type of combustion chamber.
  • High pressure mechanical atomisation of fuel using nozzle.
  • Ability to obtain optimal combustion values by regulating combustion air and blast-pipe.
  • Maintenance facilitated by the fact that the atomisation unit can be removed without having to remove the burner from the boiler.
  • Minimum and maximum air flow regulation for first and second stage by means of electric servomotor with pause closure of gate to prevent any heat dispersion to flue.
  • When using heavy oil of viscosity up to 50°E at 50°C, add the kit (to be ordered separately) consisting of: self-cleaning line filter with resistor and thermostat and resistors for pump and pressure regulator valve.
  • Comes with 2 flexible oil pipes, 1 oil filtre, 1 flange and 1 insulating seal to connect the burner to the application. Nozzle must be ordered separately according to the burner nominal output reqired..

Design features

BT 75 - 100 DSPN

  • When using low sulphur heavy oil, add the kit (to order separately) consisting of: specific line filter, stainless steel flexible hoses and resistors for pump and pressure regulator valve.

BT 120 - 180 - 250 - 300 - 350 DSPN

  • When using low sulphur heavy oil, add the kit (to order separately) consisting of: specific line filter, stainless steel flexible hoses and resistors for pump and pressure regulator valve.
  • Light aluminium alloy fan part.
  • High performance centrifugal fan.
  • Combustion air inlet with device to adjust the air flow.
  • Sliding boiler coupling flange to adapt the head protrusion to the various types of boilers.
  • Adjustable blast-pipe with stainless steel nozzle and deflector disk in steel.
  • A three-phase electric motor to run fan and another to run the pump.
  • Air pressure switch to ensure the presence of combustion air.
  • Electric servomotor with mechanical cam for simultaneous regulation of combustion air and fuel.
  • Gear pump with pressure regulator.
  • Atomisation unit with magnet to control the outlet/nozzle return pins.
  • Sequence controller - EN 230..
  • Photoresistance flame scanner.
  • Terminal block for the electrical and thermostatic connections to the burner and to control the second stage of working or for the connection of the electronic output regolator.
  • Electrical plant protection rating IP40.

BT 75 - 100 DSPN

  • Electrical fuel preheater comprising antigas valve, self-cleaning filter, thermometer and minimum and regulation thermostat.
  • Control panel comprising stop/go switch, automatic/manual and minimum/maximum selector, and operation, block and pre-heating resistors on indicators.

BT 120 - 180 - 250 - 300 - 350 DSPN

  • Electrical fuel preheater comprising antigas valve, self-cleaning filter, thermometer, minimum and regulation thermostat; security thermostat excluded BT 120.
  • Control panel comprising stop/go switch, 1st/2nd stage selector, and operation, block and pre-heating resistors on indicators.
Code Name Minimum capacity (kW) Maximum capacity (kW)
2610010 BT 75 DSPN 50Hz 446.00 837.00
2615010 BT 100 DSPN 50Hz 558.00 1116.00
2620010 BT 120 DSPN 50Hz 669.00 1451.00
2625010 BT 180 DSPN 50Hz 725.00 2009.00
2630010 BT 250 DSPN 50Hz 937.00 3170.00
2635010 BT 300 DSPN 50Hz 1220.00 3460.00
2640010 BT 350 DSPN 50Hz 1284.00 3907.00