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Micro NOx burner

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Last update:02.03.2007

microNOx is an atmospheric induction, hyperstoichiometric multigas burner. Its CO and NOx emissions are very low in order to comply with the following international regulations regarding polluting emissions: RAL UZ 40, DIN 4702 (p.III), PR EN 483 (cl.V).

The system was introduced and patented by Industrie POLIDORO with its BNOx burner. This application has been used successfully for over 10 years by the major European producers of heating appliances. The main characteristic of the microNOx burner is its size. It is considerably smaller than normal low NOx and CO emission burners, yet maintains a high rated output (1. 75kW/ cm2). It has been designed especially for installation in small modern wall-hung boilers.

It is modulating, and its thermal capacity can be reduced to 40% of its rated capacity. It is cooled by water from the boiler circuit, while keeping the burner effectiveness constant, without the use of auxiliary equipment such as fans.

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Dimensional table for

microBNOx burners

Without changing the structure of the boilers, the microNOx burner is also recommended for the conversion of those appliances which normally use standard burners; that is, when the burners emit "II class" NOx but need to ensure emissions of "V class" NOx. The microNOx burner is modular, therefore, as with all POLIDORO burners, it can be adapted to the appliance in which it is to be installed.