L-1900 Fire-rated Fusible Link Louver for 1-3/4" Thick Doors up to 90 minutes
• Blades close when activated by fire/heat • 18 ga. cold rolled steel frame • 18 ga. cold rolled steel adjustable “Z” blades • Mitered corners secured with reinforcing clips • Stainless Steel Spring • 165 o Fusible link • Free area 40% • #8 x 3/4" Phillips head SMS • Gray Primer (GPZ) powder coat finish Available Options
3/16"
3/16"
1 3/4"
165° FUSIBLE LINK
STOP BLADE
• Aluminum insect screen - 22 ga. 1/8" square mesh installed on exterior side unless requested otherwise
1"
• Torx Security screws • Galvanneal A40 steel
OPERATING LEVER
*up to 90 minutes
10C
Size Information: Available in whole inch increments Minimum size: 10" x 6" Maximum size: 24" x 30"
undersized 1/8" for clearance
not to scale
top view fusible link mechanism
L 26
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