ANSI/BHMA Standard A1564.4-2008
American National Standard for Door Controls-Door Closers
Standard ANSI/BHMA A156.4-2008 contains requirements for surface mounted, concealed in the door, overhead concealed and concealed in the floor door closers, as well as pivots for floor closers. The standard includes general information, testing procedures, and equipment and performance requirements. Typical illustrations, identifying type numbers and required tests are given for Surface Closers, Concealed Closers, Pivot Sets, Gate Closers and Dwarf Door Closers, and Light Screen/ Combination Storm Door Closers.
Tests and required results in this standard include:
- Adjustable Closing Speed
- Closing Force
- Pivot Performance
Product grades are defined by progressive performance benchmarks in given tests, with Grade 1 being the highest level of performance. For example, in the 'cycle test,' a Grade 1 pivot set must be able to perform to 2,000,000 cycles, as compared to a Grade 2, which is required to perform 1,000,000 cycles.
This document is not intended to be used as a substitute for the standard and users should refer to the entire standard for complete requirements and details. For further information, or to purchase a copy of this standard, log on to www.buildershardware.com or call 800.699.9277.