Greenheck has expanded its large collection of non-actuated fire dampers with widths up to 144” and heights up to 100”. Model DFDAF-310 represents a 20% dimensional increase over dampers previously available for a 1.5-hour dynamically rated fire damper with robust airfoil blade construction. The electronically actuated 1.5-hour fire resistance rated airfoil blade combination fire-smoke damper product line has also grown. Models FSD-311 and FSD- 312 have higher sizes in their product classes by 20%, now offering widths up to 144” and heights up to 100”. Greenheck, a global player in manufacturing and distributing air movement, conditioning and control equipment, offers a large selection of UL certified dampers and AMCA licensed dampers. 

For more information about Greenheck products, visit www.greenheck.com