Ceiling Fire Damper Installation

Tests that apply to ceiling dampers intended for installation in fire resistance rated floor ceiling and roof ceiling assemblies.

Ceiling fire damper installation.

Equipped with fusible link at no extra charge. This allows the consumer more access to the damper in the event that maintenance needs to be performed or the fuse link requires replacing. Operated by a fuse link these dampers come spring loaded and are available with an easy access assembly. Each type of damper support system is described with damper being mounted in conjunction with various air devices.

The cfd2 is a ul555c classified ceiling fire damper. A 36 x 20 fire damper sleeve will have an opening of. In maximum are allowable. Foot on height and width of sleeve to a maximum of 1 1 2 e g.

Damper 47 3 4 x 47 3 4 collar 48 x 48 opening 49 1 2 x 49 1 2. 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. 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. Download pdf installation guides for lloyd industries fire dampers smoke dampers ceiling radiation dampers combo smoke and fire dampers and more.

A ceiling radiation damper closes automatically to restrict the passage of heat. Sleeve is not required to be centered but can rest on the bottom of the opening. 1 8 10 expansion joint per linear foot ii. Perimeter angles shall overlap the wall floor by a minimum of 1.

From light operations to heavy duty industrial applications ruskin provides the perfect backdraft damper. Minimum clearance shall be. The investigation of ceiling dampers for use in floor ceiling or. Ceiling openings up to a 24 x 24 610mm x 610mm 576 sq.

Commercial dampers provide low pressure openings with excellent pressure drop performance. Fire damper sleeve clearance within wall floor opening i. Maximum size limits of each individual ceiling damper model must be observed. As with all joints contractor must seal duct collar connection in field after installation.

They are used to protect hvac openings in fire rated horizontal ceiling assemblies. Fire and heat protection where hvac components penetrate the ceiling membrane. Among other tests ul 555c includes a fire endurance test that utilizes the same time temperature curve used in ul 263.