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 … WebFire dampers are UL 555 classified with a fire resistance rating of 1½ or 3 hours. Fire dampers fall into two categories: Dynamic rated – used with HVAC systems that remain …
468502 • Breakaway Connection, Rev. 8, January 2024
Webwith smoke dampers or multi-blade fire dampers built with Greenheck’s OCI option. The GTS-4 has the same red indicator light to show the damper is in the closed position and green indicator light to show that the damper is in the open position as the GTS-1. O TEST GTS-1 GTS-3 GTS-4 Refer to: ‘Installation Instructions for FSD-XXX, DFD-XXX, and WebIt installs in walls, floors, or partitions 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 … houf smail
Refer to: FD, DFD,ODFD, and OFD Series - Greenheck-USA
WebThese instructions apply to 11/2 hour rated combination fire smoke dampers and curtain fire dampers mounted in masonry or block walls, metal stud walls, wood stud walls or … WebA complete line of damper products for fire and smoke control in life safety systems and for airflow control in commercial HVAC and industrial systems. Damper products serve a … 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 … houfrofcowe.com