National Guard Lites and Louvers Catalog

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

Powered by