Driven by an AC external rotor motor built into the fan hub. These are suitable for use where air flow against a high resistance is required. A fan scroll is required for all forward curved fans. Fans can be supplied as complete blowers with scroll or as motorised impellers for fitting into customers own scroll which can be an integral part of their product.
Double Inlet Forward Curved with or without scroll
Double Inlet Size Range:
133mm, 146mm, 160mm, 180mm diameters available. Widths range from 126mm up to 190mm depending on impeller size.
(The Illustration shows a typical Double Inlet Centrifugal Motorised Impeller without scroll)