Ziehl-Abegg Inc. Centrifugal Fan RM..D Design RR40D Series

Specification: The mixed-flow impeller is available in diameters from 355 to 560 mm and achieves air volumes of up to 15,000 m³/h (free blowing). Plastic impellers are available in diameters from 355 to 450 mm. Impellers with diameters from 500 to 560 mm are available with welded aluminium construction. Attributes and special features: Optimal motor cooling and a compact construction achieved by integrating the voltage controllable external rotor motor into the impeller. Applications: For housing fans, duct, tube and roof fans, in air conditioning units, heat pumps, cooling and ventilation purposes