BHMA A156.4:2000被替代
Door Controls-closers
出版：Builders Hardware Manufacturers Association
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基本信息
标准编号： BHMA A156.4:2000
发布时间：2000/4/26 0:00:00
标准类别：Standard
出版单位：Builders Hardware Manufacturers Association
标准页数：36
标准简介
Contains requirements for door closers surface mounted, concealed in the door, overhead concealed and concealed in the floor. Also included are pivots for floor closers. Criteria for conformance include cycle, operational, closing force and finish tests. Optional tests which must be specified separately are also included. Types are described with identifying numbers.
标准备注
Also numbered as CGSB 69.20 (05/2001) Supersedes A A 1926 (04/2003)
替代本标准的新标准
等同采用的国际标准
CGSB 69.20:1990 - Equivalent
