Detail of opening preparation and fire damper installation.
Ceiling fire damper installation detail.
A 36 x 20 fire damper sleeve will have an opening of.
Equipped with fusible link at no extra charge.
Fire and heat protection where hvac components penetrate the ceiling membrane.
Imperial dimensions are converted to metric and rounded to the nearest millimetre.
Sleeve is not required to be centered but can rest on the bottom of the opening.
From light operations to heavy duty industrial applications ruskin provides the perfect backdraft damper.
Fire damper sleeve clearance within wall floor opening i.
Commercial dampers provide low pressure openings with excellent pressure drop performance.
Each type of damper support system is described with damper being mounted in conjunction with various air devices.
The retaining angles on both sides of the fire damper may be inverted in order to accomodate a register or grille.
And a maximum of 2 in.
Flat oval duct hangers reinforcement.
These installation instructions apply to ceiling radiation dampers mounted in 3 hour rated ceiling with supports from 1 a ceiling grid system 2 ductwork above or 3 structure above.
Listed clearance requirements are 1 8 per linear foot unless stated otherwise.
Fire dampers must be attached to sleeves as shown in figure 6.
Section thru fire damper installation.
All four sides of the damper frame must be attached to the sleeve with one row of attachments on each side of the blade channel.
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.
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.
2 1 2 stud or runner 1 2 gypsum wallboard retaining angle damper sleeve fire damper duct 1 2 thick filler pieces 2 1 2 wide to be installed around.
Hydronic radiant ceiling panels piping connections.
Access panel and door detail.
Wall rating 2 hr.
The investigation of ceiling dampers for use in floor ceiling or.
Download pdf installation guides for lloyd industries fire dampers smoke dampers ceiling radiation dampers combo smoke and fire dampers and more.
1 8 10 expansion joint per linear foot ii.
These installation instructions apply to a 3 hour.
Among other tests ul 555c includes a fire endurance test that utilizes the same time temperature curve used in ul 263.