McKinney 1502 – 4.5″ x 4.5″ Spring Hinge

McKinney 1502 4-1/2 x 4-1/2 Full Mortise Single Acting Spring Hinge, Standard Weight

Some door/frame/wall and even ceiling conditions make door closers impractical. An alternative closing device is the Spring Hinge. Generally, at least two hinges on a door must be spring hinges to provide adequate closing force. Recommended for standard weight, medium frequency doors in place of door closers in apartments, hotels, motels, office buildings, etc.

• Spring hinges are an alternative to door closing devices. Generally, two hinges on the door must be spring hinges to provide adequate closing force.
• NFPA requires a minimum of two (2) spring hinges on labeled doors.
• This non-handed spring hinge series is adjustable and tension can be added or reduced by means of a hex key that is provided
• Caution: Use of gasketing for smoke or sound protection, wind conditions or unbalanced air pressure, twisted or misaligned frames or doors, door bottoms, improper latch adjustment may prevent doors from latching. Additional spring hinges may be required.