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ANSI/BHMA A156.24-2022
Delayed Egress Locking Systems
This Standard covers products used in connection with conventional exit devices or locks causing the doors to remain locked after releasing actuation for a predetermined length of time. Performance criteria are included for functional, cycle, operational, fail-safe and overload requirements.Tests described in this Standard are performed under laboratory conditions. In actual usage, results vary because of installation, maintenance, and environmental conditions.
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Builders Hardware Manufacturers Association [bhma]
Builders Hardware Manufacturers Association [bhma]