Greenheck Fan Corp.: Backward-Inclined Utility Fan
Model SWD direct drive, backward-inclined utility fan utilizes an ECM. Powered by a Vari-Green® motor, Model SWD achieves the performance of the Model SWB belt-drive centrifugal utility fan, including higher operating efficiencies and higher-pressure capabilities. It is available for variable-volume airflow applications without the need to change belts, the company said. Available in seven sizes (7-18) with capacities from 100-5,860 cfm and up to 2.5 inches wg, Model SWD is suitable for ducted exhaust, supply, and return applications typically found in commercial kitchens and fume hoods, said the company.