The VKHz roof fan with horizontal discharge is used in exhaust systems of various types of rooms. The following accessories are used to connect to the ventilation duct, to be purchased separately: KKV check valve, duct connector in flexible GVK, FVK flange.

Technical data

• the housing is made of galvanized steel
• motor type: single (E) / three-phase (D) asynchronous external rotor motor with backward curved blades
• motor equipped with thermal overheating protection with automatic restart
• ball bearing motor for long service life
• motor protection class IP44, IP54
• smooth and step speed regulation by means of a thyristor or transformer regulator
• installation directly on the roof surface or on a roof base (insulated or damped), placed directly above the ventilation duct
• the diameter or cross section of the duct in the ventilation units depends on the size and type of the fan
• fans marked ** have the C energy class