Fire Door Damper

Style 9 links are good for range hood applications.
Fire door damper. It is designed for use with doors that feature very narrow frames and a large glass viewing area. Style 6 and 7 links are often used on fire doors windows hatches dampers and blowers. Use fire and smoke dampers from grainger in office buildings healthcare facilities and other buildings to prevent the spread of fire and smoke if that emergency should occur. This area of entry is called the damper.
Style 8 links are commonly used on fire doors smoke and heat vents and ducts. Lloyd industries has been an active manufacturer of access doors fire and smoke dampers and h v a c. Fire dampers are ul555 tested and labeled devices installed in ducts and air transfer openings or air distribution systems designed to close upon the detection of heat. This is the most common style on many stock door models.
Has provided underwriters laboratory approved fire dampers as well as other essential products for the h v a c. When a rise in temperature occurs the fire damper. Style 1 5 links are for use on fire doors windows and lids. Curtain fire dampers gilberts smoke and fire control division manufacture a full range of products designed to serve the smoke fire protection industry including duct mounting combination smoke fire dampers door and wall mounting smoke fire dampers and duct mounting fire dampers.
Fire smoke dampers are similar to fire dampers in fire resistance rating and also prevent the spread of smoke inside the ducts. There are three different damper options for fireplace doors. Fire dampers are passive fire protection products used in heating ventilation and air conditioning hvac ducts to prevent the spread of fire inside the ductwork through fire resistance rated walls and floors. Your fire needs this air circulation in order to burn.
Installed inside hvac ductwork the damper blades automatically close when a rise in temperature occurs or a smoke alarm goes off. Products for over 35 years. Louvers are also prohibited in smoke partitions. Since the development of modern fire damper protection equipment lloyd industries inc.