WebModel DFD-150 is for use in walls, floors, and partitions with fire-resistance ratings less than three hours. This model has a 3¹¹/₁₆ inch frame. Dynamic-rated-fire dampers are in … 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 used with HVAC systems that remain operational during a fire emergency. Pressure: Up to 4 in. wg Velocity: Up to 4000 fpm Temperature: Up to 286°F
FSD-211, R15, June 2024 - Greenheck-USA
WebThe CFSD-211 is a combination fire smoke damper for corridor ceiling applications and has UL 555 1 hour fire rating and UL 555S leakage class I. Pressure: Up to 6 in. wg. Velocity: Up to 2000 fpm. Temperature: Up to … WebModel FD-350 is for use in walls, floors, and partitions with fire-resistance ratings of three hours or more. This model is UL 555 classified with a 3¹¹/₁₆-in. frame. Static rated fire dampers used in HVAC systems automatically shut down in the event of a fire emergency. Temperature: Up to 212°F 10-Day Fixed Lead Times on Select Configurations. fish lift ballet
Rectangular Smoke Dampers - SMD-201 Greenheck
Web3. These installation instructions apply to the following wall design numbers as detailed in the UL Fire Resistance Directory: U438, U469, U497,U499, V473 System A. 24 in. O.C. Maximum I-Studs J-Track Headers (Slot ends to fit into I-Studs as shown in Detail ‘A’) J-Track folded as shown in Detail ‘B’. Attach to J-Track header Detail ... WebThis model installs vertically or horizontally and is rated for airflow and leakage in either direction. Pressure: Up to 6 in. wg Velocity: Up to 2000 fpm Temperature: Up to 350°F 10-Day Fixed Lead Times on Select Configurations. Watch Now to Learn More! Certifications: AMCA Air Performance California State Fire Marshal (Listing # 3230-0981: 0104) Weboccupants, follow all instructions carefully. Dampers must close completely to preserve the integrity of the fire smoke separation. CD FBH and FB Series 1 Document CD FBH and FB Series Control Dampers Installation Operation and Maintenance Manual Please read and save these instructions for future reference. can cinnamon sticks expire