Publish Time: 2021-06-19 Origin: D and D Hardware
The National Fire Protection Association (NFPA) publication number 80, Standard for Fire Doors and Windows establishes the hardware requirements for fire-rated openings with builders'hardware. All hardware installed on fire-rated openings must be listed for use on fire-rated openings.
Hinges or pivots employing other anti-friction bearing surfaces shall be permitted if they meet the requirements of ANSI/BHMA A156.1, Standard for Butts and Hinges
ANSI/BHMA Grade 1 hinge
ANSI Grade 1 Door Hinge with UL Listed, Fire Rated Heavy Duty Door Hinge,
4.5"x 4.0" x 4.6 mm-4BB and 4.5"x 4.5" x 4.6 mm-4BB,
• Suitable for Metal Doors, Wood Doors, Fire Resistant Doors
• Tested to over 2,500,000 cycles = Durability= 5 Year Mechanical Guarantee
• For Hollow Metal Doors, Fire rated Doors, Steel Doors, Wooden Doors etc.
• Suitable for Education, Health-care, Hospitality and Commercial Applications.
•Direct Supply Chain, Manufacture & Export, support our customer to Win the Market.
ANSI/BHMA Grade 2 hinge
ANSI Grade 2 Door Hinge with UL Listed, Fire Rated Door Hinge,
4.5"x 4.0" x 3.4 mm-2BB and 4.5"x 4.5" x 3.4 mm-2BB,
• Suitable for Metal Doors, Wood Doors, Fire Resistant Doors
• Tested to over 1,500,000 cycles = Durability= 5 Year Mechanical Guarantee
• For Hollow Metal Doors, Fire rated Doors, Steel Doors, Wooden Doors etc.
• Suitable for Education, Health-care, Hospitality and Commercial Applications.
• Direct Supply Chain, Manufacture & Export, support our customer to Win the Market
NFPA 80 requires conventional hinges and pivots to be constructed of ferrous (steel or stainless steel base metals) materials and to have anti-friction or ball bearings (unless otherwise tested and approved).
UL listed hinge - fire-rated up to 3 hours
Brass and bronze are not acceptable materials since both of these metals are subject to melting under fire conditions.
Speaking to fire-rated hinge, D&D’s fire door hinges are manufactured to a high standard and have excellent performance in daily use and severe fire conditions. They are available in a variety of finishes and have a long warranty period for durability. In terms of function, the fire-proof hinge can be fire-resistant for a long time to ensure the life safety of the building personnel. This is the necessity of installing fire door hinge. D and D HARDWARE’s fire rated door hinges meet the testing requirements of UL and CE, with the highest performance, and are suitable for education, health care, hospitality, residential and commercial applications. D & D can also provide detailed and professional hardware matching scheme according to different situations.
For further information about fire door hinge or any of our services, click here.
David Jian
Mob: 0086-139 2903 7292
Email: David@dndhardware.com, sales@danddhardware.com
Jobby Zhang
Mob: 0086-137 2599 9617
Email: jobby@dndhardware.com