75L-DY 3-HOUR CLASSIC DYNAMIC FIRE DAMPERTh 75L-DY Dynamic Curtain Fire Damper is constructed with standard construction galvanized steel. 75L-DY has 3-hour rating so it can be used in fire partition rated at four hours or less. The 75L-DY Fire damper is for vertical application only, unlike the 75A- Dynamic, this damper can only be used for horizontal air flow. It is available with or without sleeves, in a thin line configuration (2” instead of 4.25”), with round or oval connectors, and in B style (high hat).
75L-DY Dynamic Fire Damper Technical Specifications
- FRAME: 22 ga. Galvanized Steel
- BLADE: 22 ga. Galvanized Steel
- CLOSURE SPRING: Stainless Steel
- FUSIBLE LINK: 165 Deg. F
- MOUNTING: Vertical
- UL 555 Fire Resistance Rating
- Fire resistance rated 3 Hours
- Partitions materials rated 4 Hours or less
Manufacture Limited Warranty
Products manufactured by Lloyd Industries are warranted to be free from defects in material and workmanship for a period of 12 months after being installed or placed in service, but in no instance shall the period of warranty be longer than 18 months from the date of original shipment by Lloyd Industries.
Lloyd Industries warrants that it will furnish replacement material, or at its option, repair any product of its manufacture that is proven to Lloyd Industries satisfaction to be defective in material or workmanship during this described warranty period… [Click Here to Download Full Warranty]