L-75 SERIES Darkroom Louver for 1-3/4" up to 2-1/4" Thick Doors
• 20 ga. cold rolled steel frame • Mitered and welded corners • Welded reinforcing clips at corners • Blades .040” aluminum • Counter-sunk mounting screw holes • #8 x 3/4" Phillips head TEK screws • Available in uneven and fractional sizes • Free area 55% • Textured Black (TBL) powder coat finish Available Options • Powder coat color options - see page L2 • Thru Bolts (TB) for 1- 3/4" thick doors • Aluminum Insect screen - 22 ga. 1/8" square mesh installed exterior side unless requested otherwise • Torx Security Screws • Zinc electro-plating (not available on insect screen)
METAL DOOR
METAL DOOR
1 1/4"
Install L-75-A using glass stop or molding
1 7/8"
1 7/8"
7/16"
not to scale
15/16"
WOOD DOOR
WOOD DOOR
1/8"
1 3/4"
1/8"
L-75 B undersized 1/8" for clearance
L-75 BF undersized 1/16" for clearance
L-75 A undersized 1/8" for clearance
L 29
NATIONAL GUARD PRODUCTS, INC.
Phone 800-647-7874 Fax 800-255-7874
orders@ngp.com quotes@ngp.com
www.ngp.com
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