Steel neck mounted sliding blade damper.
Transfer grilles with fire damper.
These fire resistant air transfer grilles are developed to allow the free circulation of air at room temperature through construction elements walls doors etc while at the same time offering effective protection against flames smoke and gases in case of fire.
All ducts and airways in doors and walls can be protected against fire and hot smoke using lorient intumescent air transfer grilles.
Price corporate communications subject.
A fire rated version is also available.
Instant action integrity e insulation i.
The technology allows the air transfer grilles to perform in fires just as you expect from fire rated wall construction.
Grille transfer for curtain fire damper fire damper models.
The standard installation requires that the damper is positioned so that the closed plane of the blades is within the fire rated masonry concrete or metal or wood framed gypsum.
Grille installation in these applications is optional.
Tamarack brand transfer grilles are known as return air pathways or raps for short because they do just that create a pathway for air to flow from room to room.
However these grilles will not prevent the passage of cold smoke which can be equally.
Section g submittals keywords.
Grille mounted opposed blade damper.
It offers a passive substitute for mechanical fire damper air terminals and in ductwork application.
These fire resistant air transfer grilles are developed to allow the free circulation of air at room temperature through construction elements walls doors etc while at the same time offering effective protection against flames smoke and gases in case of fire.
Ruskin fire and combin ation fire and smoke dampers with 1 1 2and 3 hour fire ratings may be installed in transfer opening and grille duct termination applications.
17sf 17sa 17da si gtfd 10 12 application this fire damper is intended to restrict the passage of flame.
Steel maximum security transfer grille with rounded perforations.
Lorient fire containment air transfer grilles dampers are made up of either pvc or metal slats with an intumescent core.
Nailor 51dg and 61dg series door grilles are designed to be completely sight proof and unobtrusive in appearance.
Select the damper with sleeve of sufficient length to fit flush with.