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About This Item
Full Description
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.
Document History
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BHMA A156.24-2022
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Delayed Egress Locking Systems- Most Recent
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BHMA A156.24-2018
Delayed Egress Locking Systems- Historical Version
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BHMA A156.24-2012
Delayed Egress Locking Systems- Historical Version
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BHMA A156.24-2003
Delayed Egress Locks- Historical Version
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BHMA A156.24-1999
Delayed Egress Locks- Historical Version