RDC Series - Direct Driven Centrifugal Type

Specifications Quick Facts • The air outlet consists of horizontal and vertical directions • Size from 400 to 1000 mm • Capacities to 43, 000 m3/h • Total pressure up to 800 Pa • Low noise level and easy installation Application It is specially designed for roof exhaust, installed vertically, and the airflow is vertical and radiant. Finish Painting or galvanised after manufacture are normal finishes on all parts. Operating Temperature -20deg.C to +80deg.C Motor Fully enclosed motor, insulation grade Class 'F', protection grade not lower than IP54. When the power of the three-phase motor is below 2.2kW, the direct start mode is adopted, and when the power of the three-phase motor is above 3.0kW, the star-delta conversion start is adopted. Construction • Rainhood is made of fiberglass as protection against adverse weather conditions. • Supported casing made of galvanised steel with protection grille to prevent contact with moving parts. • Centrifugal backward curved impeller is made of galvanised sheet steel. • All wheels are statically and dynamically balanced in accordance with ISO 1940 or AMCA204 - Grade G2.5 standard.