A CE door closer is a great security device to add to your home. With this wonderful device you will have the peace of mind knowing that any door is properly secured. With many different styles of concealed door closer available, this is one of the best selections to make.
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
BS EN 1154:1997 -The European standard for the performance of controlled door closing devices. Introduce in detail the product type, usage classification, test period, test period, door quality, corrosion resistance, as well as product definition, product performance requirements, test instruments,