Perimeter angles shall overlap the wall floor by a minimum of 1.
Ceiling fire damper installation.
1 8 10 expansion joint per linear foot ii.
Maximum size limits of each individual ceiling damper model must be observed.
Equipped with fusible link at no extra charge.
Damper 47 3 4 x 47 3 4 collar 48 x 48 opening 49 1 2 x 49 1 2.
Sleeve is not required to be centered but can rest on the bottom of the opening.
The investigation of ceiling dampers for use in floor ceiling or.
This allows the consumer more access to the damper in the event that maintenance needs to be performed or the fuse link requires replacing.
These installation instructions apply to a 3 hour rated ceiling radiation dampers aka ceiling dampers mounted in a ceiling with supports from 1 a ceiling grid system 2 ductwork above or 3 structure above.
Download pdf installation guides for lloyd industries fire dampers smoke dampers ceiling radiation dampers combo smoke and fire dampers and more.
Commercial dampers provide low pressure openings with excellent pressure drop performance.
The industrial grade backdraft dampers offer rugged construction and heavy gage materials to withstand the high velocities and back pressures associated with heavy duty installations.
Each type of damper support system is described with damper being mounted in conjunction with various air devices.
Tests that apply to ceiling dampers intended for installation in fire resistance rated floor ceiling and roof ceiling assemblies.
Fire damper sleeve clearance within wall floor opening i.
As with all joints contractor must seal duct collar connection in field after installation.
Fire and heat protection where hvac components penetrate the ceiling membrane.
A 36 x 20 fire damper sleeve will have an opening of.
In maximum are allowable.
They are used to protect hvac openings in fire rated horizontal ceiling assemblies.
The cfd2 is a ul555c classified ceiling fire damper.
A ceiling radiation damper closes automatically to restrict the passage of heat.
Listed clearance requirements are 1 8 per linear foot unless stated otherwise.
Foot on height and width of sleeve to a maximum of 1 1 2 e g.
With attention to the following requirements the ceiling grid system provides all required support for installation of lay in style ceiling dampers and the grilles.
From light operations to heavy duty industrial applications ruskin provides the perfect backdraft damper.
Operated by a fuse link these dampers come spring loaded and are available with an easy access assembly.
Ceiling openings up to a 24 x 24 610mm x 610mm 576 sq.
