Ceiling Radiation Damper Installation Detail

They are used to protect hvac openings in fire rated horizontal ceiling assemblies.

Ceiling radiation damper installation detail.

2 ceiling radiation damper may be connected directly to the grille and supported by hanger straps see detail e or note. Steel channels with 9 16 in. A 12 x 12 305mm x 305mm nominal ceiling radiation damper could have a maximum ceiling membrane opening of 13 x 13 330mm x 330mm. Series 51sb read more.

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. Series 51sb in a boot true truss. Static ceiling radiation dampers models mrcd mscd mscdsb mccd ceiling radiation dampers covered under ul 555c intended for installation in hourly rated fire resistive floor ceiling and roof ceiling assemblies in accordance with the standard for fire tests of building construction and materials ul 263. Ceiling radiation dampers are available in butterfly style and curtain style.

To better understand ceiling radiation dampers. Operated by a fuse link these dampers come spring loaded and are available with an easy access assembly. Life safety products protect the openings in walls ceiling floors and or partitions to prevent the spread of fire and or smoke. Ceiling radiation dampers.

X 11 2 in. 5 ceiling radiation dampers dampers supported from ductwork above note about support when main ducts are supported by 16 ga. View life safety dampers. A ceiling radiation damper closes automatically to restrict the passage of heat.

The ceiling damper shall be attached to a minimum 22 gauge 0 85 steel sleeve duct drop by welding or with rivets or with 10 m5 sheet metal screws or with quick lock or bolted. For ceiling radiation dampers however since ceiling radiation dampers serve a somewhat different purpose than the other damper types there is often confusion about where a ceiling radiation damper should be used. Minimum flanges located 1 inch to 3 inches from and on both sides of a steel duct drop and these channels are suspended by 12 swg wire from. Up to 3 hour ceiling radiation damper installation instructions c e i l i n g r a d i a t i o n d a m p e r s i c f d 1 5 m 6 1 0 2 7 1 a p r i l 2 0 2 0 a.

Let s examine the protection provided by each type of damper.