Atlant - 3 and Atlant - 6 fixed high expansion foam generators are designed for extinguishing and control of Class A and B fires according to GOST 27331-87 using volumetric or local volumetric method in buildings, premises and constructions of oil, chemical, petrochemical industries, as well as in warehouses, hangars (inclusive aircraft hangars) and other objects. High expansion mechanical foam is generated from 6 percent foaming agent water solution by means of air inducing.