EOGB BTG 20 1N AC 50Hz 230V 60kw - 205kwFrom 50 to 280 kWTECHNICAL AND FUNCTIONAL CHARACTERISTICS• Single stage operation (on/off).• Air-gas mixing at blast-pipe.• Ability to obtain optimal combustion values by regulating combustion air and blast-pipe.• Exhaust gas recycling blast-pipe able to achieve very low pollutant emissions, particularly with regard to nitrous oxides (NOx) (class lII for BTG 15 and for BTG 20 according to EN 676 norm).• Maintenance facilitated by the possibility of removing the mixing unit without having to remove the burner from the boiler.• Manual air flow adjustment.• Possibility to chose gas train with valve tightness control.• Equipped with one 7-pole connector, one flange and one insulating seal for boiler fastening.CONSTRUCTION CHARACTERISTICSThe burner consists of:• Combustion air inlet with device to adjust the air flow; automatically closing air gate.• Sliding boiler coupling flange to adapt the head protrusion to the various types of boilers.• Air pressure switch in order to ensure the presence of combustion air.• Automatic control and command equipment for the burner, compliant with European standard EN298.• Flame detection by ionisation electrode.• 7-pole outlet for burner electrical and thermostat connections.• Prepared for microamperometer connection with ionisation cable.• Electrical protection rating IP40.• Sound-proof plastic protective cover.***To be ordered separately***• Gas train complete with operation and safety valve, minimum pressure switch, pressure regulator and gas filter.