Double-inlet centrifugal fan with forward-curved impeller and direct-drive internal shaft motor (DD) or external rotor motor (DDM). Motors can be single-phase or three-phase.
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Fans & ventilation units | Morgui
Nicotra DD-DDM Fan
Direct-driven fan
Fans designed for industrial ventilation and air conditioning systems, offering easy installation, high efficiency, and low noise impact.
Main features
Compact casing Aerodynamically optimized in terms of both airflow and design, scrolls are made of galvanized steel and automatically assembled using an innovative procedure, providing a sturdy and long-lasting product. • without welding points for no corrosion troubles • high precision manufacturing process for high quality product
Real forward curved impeller The impeller has been optimized for the best efficiency, match to the special motor features. We manufacture the high performance impellers through a highly – automated and innovative production process. • low noise level • low power consumption
Optimized internal rotor motor The fan impeller is directly mounted on the motorshaft thus providing efficient motor cooling by the fan airflow. Motor speed can be adjusted either by the use of transformers and TRIAC regulators. Motors are generally fitted with thermal protector for protection against overheating. • high reliability and efficiency • wide range of operative conditions
Easy electrical connection All fans could be provided with connection box, terminal block or loose cable. A wiring diagram sticker, placed on each fan, describes the correct electrical connection. • fast and easy wiring • safe operation
