Hvac Duct Fire Dampers

Metal fab s dynamically rated fire dampers are tested and approved for use up to 4 w c.

Hvac duct fire dampers.

Installed inside hvac ductwork the damper blades automatically close when a rise in temperature occurs or a smoke alarm goes off. As of april 1 1992 all fire dampers used in hvac systems that might not cycle the blower off during a building fire must be listed and labeled for dynamic closure by underwriter laboratories. Products cover a wide variety of applications ranging from life safety to maintaining the control of outside air. Damper products serve a valuable role in air movement.

Fusible link melts releasing the fire damper curtain. Dampers 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. Motorized adjustable damper closed model zc212 76 99 76 99. Free delivery with 45 order.

Fire dampers are ul555 tested and labeled devices installed in ducts and air transfer openings or air distribution systems designed to close upon the detection of heat. Fire and smoke dampers 63 products use fire and smoke dampers from grainger in office buildings healthcare facilities and other buildings to prevent the spread of fire and smoke if that emergency should occur. Static duct fire dampers static fire dampers are used in applications where the fans shut down during fire and smoke control. Use of fire suppression systems sprinklers the use of smoke management and control systems and the construction of walls floors partitions ceiling assemblies etc.

Static fire dampers can be used in both vertical and horizontal positions. Designed to limit the spread of fire and smoke. 1000 pa at the rated airflow. Black stove pipe cast iron damper model bacid6 9 26 9 26.

Master flow 6 in. Fire smoke dampers are similar to fire dampers in fire resistance rating and also prevent the spread of smoke inside the ducts.