A 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 valuable role in …

Fire Resistance Rating* Leakage Class Damper Maximum Size (Inches) Submittal Installation Instructions CSI Specs DWG Drawings Roof/Floor Assembly Wood Truss Assembly Wood …

Which damper best fits the application? Greenheck’s damper interactive selection guide removes the guesswork. Find blade type, velocity, pressure, AMCA listings, submittals, drawings and …

damper and the actuator. Clean air or on/off applications can successfully operate with 25% - 30% margins of safety, while modulating and dirty air applications should consider 50% to as high …

Fire dampers are required by all building codes to maintain the required fire resistance ratings of walls, partitions and floors when they are penetrated by air ducts and transfer openings.

Greenheck offers a complete and comprehensive line of damper products for fire and smoke control in life safety systems and for airflow control in commercial HVAC and industrial …

Greenheck damper products are built for any application, from air movement, to controlling the spread of fire, smoke or radiation during emergency situations. Thankfully, Greenheck has …

Fire Dampers Features: • 316 stainless steel construction is standard (heat responsive device is UL compliant, not 316 stainless steel) • Dynamic closure for use in HVAC systems that are …

Fire Dampers Marine Dampers Backdraft Dampers Combination Fire Control Dampers Smoke Dampers Ceiling Radiation Dampers Smoke Dampers Air Measuring ... Heavy Duty/Industrial …

Greenheck control dampers utilize a 5 in. x 1 in. (127 mm x 25 mm) hat channel frame. Each frame is built with four separate pieces of material and joined by our Tog-L-Loc ® process.