DD
Scroll casing with backward curved profile blades – double inlet
- Direct-driven forward-curved impeller for high performance and low energy consumption.
- Fully integrated internal rotor motor with thermal protection and multiple motor types.
- Flexible operation with step or stepless speed variation and wide airflow range.
Product Overview
The DD range features high-performance, direct-driven centrifugal fans with forward-curved impellers directly mounted on the motor shaft, designed for HVAC and dust-free environments. Manufacturing each component in-house ensures optimized performance and low power consumption. With impeller sizes up to 18”, airflow up to 18,000 m³/h, static pressure up to 800 Pa, and compatibility with 50/60 Hz supply, the DD range offers a variety of motor types and versions to match diverse application requirements. Performance data are measured in AMCA-registered laboratories (AMCA 210/99).
Multiple sizes and motor types to suit all needs
Up to 18,000 m³/h for demanding applications
Step or stepless variation for precise operation

High-Performance DD Centrifugal Fans
Direct-drive fans designed for reliable airflow, efficiency, and flexible HVAC integration. Forward-Curved Impeller, high performance with low power consumption Integrated Internal Rotor Motor, thermal protection included, multiple motor options.




