FLLV, Adjustable Fusible Link Louvers

FLLV, Adjustable Fusible Link Louvers Adjustable Fusible Link Louvers are recommended for use in rooms where ventilation is needed and at the same timeisolating the room whenever fire is present. When louver is exposed to heat at 165°F, the fusible link trips and the springloaded louver blades shut to form an air tight fire and smoke seal.WHI Listing Mark with a 90 Minute Fire Rating is stamped on the frame of the louvers.Installation is easy. No need to drill holes for fasteners. All screws are mountedon the room side leaving the corridor side free of fasteners for security purposes.Fuses are replaceable.1 -- Mounting Screws - # 8 phillips head(3 x ¾” LG & 1 x ½” LG)2 -- Rocker Arm, Closing Bar and housing3 -- “S” Hook - .080” Cadmium plated steel4 -- Fusible link - Design temperature 165° F max5 -- Heat opening - ½” x 1”6 -- Tension spring - 3” LG x ½” dia x .063”thick Cadmium plated steel.7 -- Flat Spring ClipStandard Features:Material: 16 Gauge CRS Frame & Louver BladesDoor: for 1 ¾” Doors onlyFasteners: 3 x ¾” LG & 1 x ½” LGColor: Dark Bronze (DB)Free Flow Area: 45% free areaConstruction:- Welded & mitered corners- Adjustable blades of 16-gauge CRS- Cadmium plated steel rivets & tension spring- 1 9/16” deep louver assembly- Dimensions are written Width x Height

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