Press Release Summary:
Round backdraft damper Model WDR-53 features galvanized steel frame with aluminum blade, while Model SSWDR-53 is constructed with 304 stainless steel frame and blade. They can be installed horizontally for vertical up/down airflow or mounted vertically for horizontal airflow, and offer pressures up to 2 in. wg in diameter sizes from 4-24 in. Both models are available with optional top frame extension.
Original Press Release:
Round Backdraft Dampers Now Available from Greenheck
April 28, 2009
Two new round backdraft dampers, Models WDR-53 and SSWDR-53, from Greenheck can be installed horizontally for vertical up/down airflow or mounted vertically for horizontal airflow. Model WDR-53 features a galvanized steel frame with aluminum blade; Model SSWDR-53 is constructed with a 304 stainless steel frame and blade. Both models are available with an optional top frame extension. Models WDR-53 and SSWDR-53 are rated for velocities up to 2000 fpm and pressures up to 2-inch wg in diameter sizes from 4-inch to 24-inch.
Greenheck offers the most UL classified dampers and the largest selection of AMCA licensed dampers and louvers in the industry.
For more information about Greenheck products, visit www.greenheck.com or contact
P.O. Box 410,
FAX (715) 355-2399.
915 Fifth Street
Wausau, WI 54403
744 Ryan Drive, Suite 101
Hudson, WI 54016