Kitchen exhaust air fans in compact design from Fischbach with Disc-Rotor Motor / EC Disc-Rotor-Motor which is separated from the air flow and in compliance with the current VDI guidelines, are used when existing exhaust air systems must be replaced or optimized and when is comes down to minimum sound power levels (as e.g. extraction hoods in industrial kitchens). Easy to clean, cost-effective, quick assembly. The maximum air volume is 3.800m³/h (CEK Series) or 4000 m³/h (CEK-EC Series).
Forward bended impeller blades made of galvanized steel sheets. The internal fan assembly has been dynamic balanced according to ISO 1940 part 1 up to grade Q1. The maximum permissible air flow temperature is up to 80°C. The maximum permissible ambient temperature is up to 40°C.
The FISCHBACH disc rotor motor is protected against overheating by a thermal contact. Speed controllable by voltage or by frequency converter and also possible 2-steps with star/delta connection.