3CB1-HW 4.5" x 4.5" Heavy Weight NRP Concealed Bearing Hinge (Non-Removable Pin) Finish:Satin Chrome Fire doors are often used

Fire doors are often used on openings leading from corridors to offices

Accentra/Yale 7100

and value—and are backed by the name more Americans trust with their security

The unique design distributes the weight of the door along the entire length of the frame

MA581P-DN-626

3CB1-HW 4.5" x 4.5" Heavy Weight NRP Concealed Bearing Hinge (Non-Removable Pin) Finish:Satin Chrome Fire doors are often usedIves 3CB1HW 3 Knuckle Concealed Bearing Hinge, Heavy Weight, 4 1 2" x 4 1 2" Non Removable Pin also known as security hinges are used with outswinging doors with locking hardware. Typically found on exterior doors that swing outward. A set screw in the barrel prevents the removal of the hinge pin. Recommended for heavier weight doors (>150 lbs) Recommended for high frequency usage (400 cycles per day) Made with two heavy duty concealed nylon bearings