American mortise locks are the best choice for commercial buildings. The quality and functions of the doors and locks will have a major impact on the safety of the building. In order to choose the appropriate American mortise lock, we need to figure out the answers to the following questions: how to

DATA SHEETSANSI/BHMA A156.1:2016AMERICAN NATIONAL STANDARD FORBUTTS AND HINGESThe Fire Protection Association (NFPA) Publication No. 80, standard for fire doors and windows, specifies the hardware requirements for fire-resistant openings with building hardware. All hardware to be installed on fire-p

DATA SHEETSANSI/BHMA A156.1:2016AMERICAN NATIONAL STANDARD FORBUTTS AND HINGES Model: DDSS001- 4.5x4.5x4.6mm-4BBGrade: 1Hinge height: 4.5 InchesDoor Weight: 150 lbs

American National Standard Institute (ANSI) ANSI 156.1 ItemANSI 156.1 Cycle-testGrade 1: 2,500,000Grade 2: 1,500,000Grade 3: 350,000Fire TestPass UL 10 C 3 hours fire testAnti-corrosionSalt Spray Test 200 hours This Standard establishes requirements for butts and hinges. Cycle tests, lateral and v

American National Standard Institute (ANSI) ANSI 156.13 ItemANSI 156.13 Cycle-testGrade 1-1,000,000Grade 2-800,000Grade 3-800,000Fire TestPass UL 10 C 3 hours fire testAnti-corrosionSalt Spray Test 200 hours 1.SCOPE 1.1 This Standard establishes performance requirements for Mortise Locks and

Many buildings use mortise locks to ensure safety. From this we can know that when choosing a mortise lock, safety is the most important consideration. The mortise locks can be used in commercial and residential applications and provide strong security.The American mortise lock is the best choice fo

ire-rated openings are used to compartmentalize a building or space to prevent the spread of flame, smoke and toxic gases. The 2019 edition of NFPA 80, Standard for Fire Doors and Other Opening Protectives, establishes the criteria that fire-rated doors and frames must meet. NFPA 80 requires side hi

UL is an independent product safety certification organization that develops standards to test fire door hardware to verify that it meets certain safety requirements during use, or in the event of a fire or other situation.D&D Door Hinge,Door Lock,Door Closer,Fire Exit Hardware tested to UL 10C, Fir

1010.2.9.3 Installation. Where panic or fire exit hardware is installed, it shall comply with the following: 1. Panic hardware shall be listed in accordance with UL 305. 2. Fire exit hardware shall be listed in accordance with UL 10C and UL 305. 3. The actuating portion of the releasing device shall

American National Standard Institute (ANSI) ANSI 156.4 ItemANSI 156.4 Cycle-testWithout Buffer FunctionGrade 1-2,000,000Grade 2-1,000,000Grade 3-500,000Buffer FunctionGrade 1-1,500,000Grade 2-750,000Grade 3-500,000Fire TestPass UL 10 C 3 hours fir