Only for 1 3 4 fire rated doors.
Fusible link door louver.
Available in extruded aluminum with a clear anodized finish or painted steel with a gray primer finish.
The blades are operated by a manual adjusting lever.
Adjustable blades of 16 gauge 059 crs pivot on cadmium plated steel riots.
Install the rockwood lv fl fusible link louver for 50 free air flow.
These louvers have been tested and certified to maintain the fire resistance of the door assembly but smoke may pass through the louver before the link melts.
This louver is made of galvannealed steel fastens on one side to ensure security.
Cold rolled steel frame and louver blades.
18 gauge crs frame.
Air louvers 1900a 18x18 b fire rated door louver adjustable with fusible link mineral bronze finish.
Louvers fllv adjustable fusible link louvers 90 minute fire rated steel louvers y for use in fire rated door applications under positive and neutral pressure intertek testing fhuwl fdwlrq lq frpsoldqfh wr 1 3 ul 10c 2009 nfpa 252 2012 csi code 089000 louvers vents y fusible link design temperature 165 f max.
Stainless steel operating springs assure proper action when the 165 f 74 c fusible link releases the closing mechanism.
Air louvers 1900a fire rated louver with fusible link adjustable z blade louver with fusible link activated at 165 degrees f is ideal for use in steel and composite fire doors up to 1 1 2 hour rating.
Air louvers 1900a 20x12 b fire rated metal door louver adjustable with fusible link mineral bronze finish.
165 f 74 c fusible link.
Fusible link louvers rely on a fusible link which melts at elevated temperatures allowing the blades of the louver to close.
The self attaching frame style is ideal for installation in existing door cutouts.
Retrofit or use as original equipment in wood or metal doors.
Min size 10 x 6 max 24 x 24.
Adjustable z blade louver with fusible link activated at 165 degrees f is ideal for use in steel and composite fire doors up to 1 1 2 hour rating.
The self attaching frame style is ideal for installation in existing door cutouts.
Rugged construction with inverted v style blades at a 45 angle.
All door louvers except models 1300 and 1400 are fabricated from cold rolled steel.
Models 1300 and 1400 are constructed from aluminum which contains approximately 65 recycled content.
A spring loaded fusible link mechanism is incorporated into the design.