BHMA - A156.15
RELEASE DEVICES – CLOSER HOLDER, ELECTROMAGNETIC AND ELECTROMECHANICAL
|Publication Date:||1 January 2021|
This Standard establishes requirements for door closers combined with hold-open devices or free-swinging door closers combined with releasing devices and includes performance tests covering operational, cyclical and finish criteria.
Tests described in this Standard are performed under laboratory conditions. In actual usage, results vary because of installation, maintenance and environmental conditions.