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Hvac duct fire dampers.
1000 pa at the rated airflow.
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.
Fire dampers are passive fire protection products used in heating ventilation and air conditioning hvac ducts to prevent the spread of fire inside the ductwork through fire resistance rated walls and floors.
Use of fire suppression systems sprinklers the use of smoke management and control systems and the construction of walls floors partitions ceiling assemblies etc.
Damper products serve a valuable role in air movement.
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.
In virtually every building the installation of hvac and electrical systems requires the penetration of fire.
Metal fab s dynamically rated fire dampers are tested and approved for use up to 4 w c.
Static duct fire dampers static fire dampers are used in applications where the fans shut down during fire and smoke control.
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Products cover a wide variety of applications ranging from life safety to maintaining the control of outside air.
Designed to limit the spread of fire and smoke.
Fire smoke dampers are similar to fire dampers in fire resistance rating and also prevent the spread of smoke inside the ducts.
Motorized adjustable damper closed model zc212 76 99 76 99.
Installed inside hvac ductwork the damper blades automatically close when a rise in temperature occurs or a smoke alarm goes off.
Static fire dampers can be used in both vertical and horizontal positions.
Black stove pipe cast iron damper model bacid6 9 26 9 26.
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.