Weband Fire Smoke Dampers Installation Instructions Important General Notes: When UL is referred to in this document, it represents UL/ULC. ... gypsum partition is being used then refer to Figs. 1 and 2 for additional information and details. The opening shall be a minimum of 1/4” (6mm) and a maximum of 1/ 2” (13mm). The maximum multi-section ... WebModel DFD-350 is for use in walls, floors, and partitions with fire-resistance ratings of three hours or more. This model has a 3¹¹/₁₆ inch frame. Dynamic-rated-fire dampers are …

Greenheck - UL555 Three Sided Retaining Angle Installation

WebGreenheck-USA WebThe FSD-331 is a combination fire smoke damper with airfoil blades. This model is rated for use in walls, floors, or partitions with a fire resistance rating of 3 hours or more and a Class I leakage rating. Pressure: Up to 8 … thief river falls to fargo

Document 481007 Horizontal Mount Damper in Non …

WebThis model is rated for use in walls, floors, or partitions with a fire resistance rating of 3 hours or more and a Class I leakage rating. Pressure: Up to 8 in. wg. Velocity: Up to … WebVirtually silent EC motor with 3 high speeds (50-80-110 CFM) Constant CFM technology Plug and play sensors available Universal 4”, 5” or 6” duct connector Easy installation bracket Two speed capable with integral time delay Compatible with CRD-300WT, a UL263 certified Ceiling Radiation Shipping Type: Parcel View other SP-AP-SelectionModel … WebCombination Fire/Smoke dampers are low leak damper and actuator assemblies that have passed the UL555 and UL555S test requirements. Products. Access Doors; Actuators & Accessories; Air Flow Measurement; Commercial Dampers; Diffusers; ... Combination Fire & Smoke Dampers. Sub-Categories sainfoin planting guide