Transfer Grilles With Fire Damper

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Transfer grilles with fire damper.

Section g submittals keywords. 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. Lorient fire containment air transfer grilles dampers are made up of either pvc or metal slats with an intumescent core. A fire rated version is also available.

Grille mounted opposed blade damper. 17sf 17sa 17da si gtfd 10 12 application this fire damper is intended to restrict the passage of flame. Grille transfer for curtain fire damper fire damper models. 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.

It offers a passive substitute for mechanical fire damper air terminals and in ductwork application. 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. 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. However these grilles will not prevent the passage of cold smoke which can be equally.

Steel maximum security transfer grille with rounded perforations. Select the damper with sleeve of sufficient length to fit flush with. Available in either steel or aluminum construction with either single or double flange frame options. Nailor 51dg and 61dg series door grilles are designed to be completely sight proof and unobtrusive in appearance.

The technology allows the air transfer grilles to perform in fires just as you expect from fire rated wall construction. 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. Instant action integrity e insulation i. All ducts and airways in doors and walls can be protected against fire and hot smoke using lorient intumescent air transfer grilles.

Tamarack raps come with an internal baffle material designed to prevent an increased transmission of light and sound through the vent grille.