Our G50 door hinge is a 3 knuckle design and template hinge. This door hinge is for automatic closing of doors and meets code for hotels, institutions and commercial buildings. Adjustable tension and adjustment tool included. Standard screw packaging on sizes 4-1/2” x 4” (114 x 101mm) and 4-1/2” x 4-1/2” (114 x 114mm) is all machine and 1/2 wood.

MAXIMUM DOOR SIZE

• For labeled doors 3’ x 7’(914 x 2134mm), the maximum door size is based on the limits set forth by NFPA Standard #80.
• Labeled doors require Ball Bearing hinges.
• For nonlabeled doors 4’0”(1220mm) wide, 4” x 4” (101 x 101mm) Spring hinges are not recommended.
• For non-labeled doors over 7’6” (2250mm) in height, use an additional hinge for each additional 30”(750mm) of height or fraction thereof.

1 Pcs.