Description
                    • Centrifugal roof fan suitable for extracting hot fumes at up to 400 °C for 120 minutes.
•	Base manufactured from phosphated pressed steel, epoxy powder coated with hammered effect finish, guaranteeing long-term resistance to atmospheric agents.
•	Aerodynamically contoured inlet port for optimum performance, fashioned as a single unit with the base and gauged to optimize air flow. 
•	Motor mounting plate made of steel with galvanization surface treatment.
•	Protective cap carried by top plate made of steel with galvanization surface treatment.
•	Cold outside air drawn into a cooling chamber made of pressed steel with polyester powder coated and oven baked hammered effect finish, colour grey.
•	Pressed steel motor cover: pickled and phosphated surface, polyester powder coated and oven baked finish, colour grey, with hammered texture.
•	Accident prevention and anti-bird grilles (to UNI ISO 13857 standard), consisting of electrically welded steel rings with epoxy powder coated finish, colour black. 
•	Centrifugal impeller with self-cleaning backward curved blades, dynamically balanced (UNI ISO 1940, Point 1 – Class 6.3), made of electrolytically galvanized steel.
•	Dahlander 2 speed three-phase AC motor with shaft turning in ball bearings, size to UNEL MEC standard, flange B5, self-ventilating. Motor insulation class H, with metal cooling fan and cable gland.
•	Minimum air flow 5300 m3/h.
•	Maximum air flow: 6000 m3/h.
•	Galvanized steel eye lugs for transport and lifting/handling operations.
•	Cable guaranteeing continuity of earth connection.
•	Steel safety wire for anchoring appliances once installed.
•	Vortice speed controller.