Spring or adjustable volume control 2.
Ceiling radiation damper vs fire damper.
Sleeves are optional on other products such as fire dampers air control dampers and ceiling radiation dampers.
Let s examine the protection provided by each type of damper.
Fire dampers.
Sleeves are both standard as well as required on motorized fire smoke dampers and smoke dampers only.
Collars can be round oval or square rectangular.
Preventing the transfer of heat and flames into attic and crawlspaces is essential in limiting the amount of damage done in the event of a fire.
Models 0716 0716 4 and 0714 are for.
To better understand ceiling radiation dampers.
Ceiling fire dampers also known as radiation dampers are designed and tested to limit the radiant heat transfer through an air inlet outlet opening in the ceiling membrane of a fire resistance rated floor ceiling or roof ceiling assembly.
A sleeve and or angles will not be included on these products unless specified on the purchase order.
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.
Orientation vertical or horizontal 4.
Type a b or c 2.
Fusible link temperature set point 3.
Application ul fire rated floor ceiling assemblies and roof ceiling assemblies require specially tested and classified ceiling dampers to provide fire and heat protection where hvac components penetrate the ceiling membrane.
Ceiling radiation dampers are required in fire rated floor ceiling and roof ceiling assemblies and where local codes dictate.
On a type c damper the collar is the portion of the damper that attaches to the duct.
Micro switch ceiling radiation dampers 1.
A 12 x 12 nominal ceiling radiation damper could have a maximum ceiling membrane opening of 13 x 13.
Fusible link temperature set point 3.
Thermal blanket 5.
Opening in ceiling membrane see page 1 may be up to one inch larger than the nominal size of the ceiling radiation damper i e.
Maximum size of permitted opening equals maximum size of available listed ceiling radiation dampers.
Ceiling radiation damper for square rectangular or round duct nailor ceiling dampers or ceiling radiation dampers as they are commonly called are designed to function as a fire and heat barrier in air duct openings penetrating fire resistive membrane ceilings.
