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Serie COMIST DSPGM

Technical and functional features

  • Dual fuel natural gas/light 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.
  • Air-gas mixing at blast-pipe and 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 mixing unit and 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.
  • Tightness gas valve control, EN677.
  • Equipping for automatic fuel switching.
  • 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

  • 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.
  • Main gas train complete with control, operating, safety and pilot valves, valve seal control (if requested on COMIST 72 DSPGM), minimum and maximum pressure switch, pressure control and gas filter.
  • Gear pump with pressure regulator.
  • Atomisation unit with magnet to control the outlet/nozzle return pins.
  • Sequence controller - EN 298..
  • Ultra Violet cel flame scanner.
  • Control panel comprising stop/go switch, automatic/manual and minimum/maximum selector, fuel change switch and operation, block and fuel used indicator.
  • 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.
Code Name Minimum capacity (kW) Maximum capacity (kW)
5358050 COMIST 250 DSPGM CE 50Hz 1127.00 3380.00
5360050 COMIST 300 DSPGM CE 50Hz 1304.00 3878.00