فوهة سحب الهواء لطراز BN 20، SLV 22 - 33 B مزودة بترس صغير ومقياس

Air inlet nozzle for BN 20, SLV 22-33 B with gear wheel and scale serves to meter primary air in the specified burner models. The gear wheel and scale provide convenient and precise adjustment, which is important for setting the optimal fuel-air ratio. The nozzle is made of wear-resistant materials, ensuring a long service life. It is used when repairing or performing preventive maintenance of burner equipment. Replacing a worn nozzle restores standard operating parameters and prevents incomplete fuel combustion.