These are used in sites where explosive gases, flammable gases, vapors and liquids are present or similar risky materials are being manufactured, used during production and stored and in sites with flammable, combustible and explosive characteristics. They prevent fires or explosions that may occur due to sparks on these sites. The manufactured extractor panels are composed of aluminum profiles, plastic edges, double walls with galvanized sheet covering and rock wool insulation in between. The motors are three-phased asynchronous motors and they are exproof certified. Exproof motors are designed to not generate any sparks. The fan frame is made of galvanized steel with double-suction forward curved blades and is exproof certified. Areas of Use: Petrochemical industry, pharmaceutical industry, paint industry, engine room ventilation, chemical and paint storage areas, explosive and/or flammable storage cabinets, fuel storage facilities, gas stations etc.