BHMA A156.4:2000被替代
Door Controls-closers
出版：Builders Hardware Manufacturers Association
專家解讀視頻
基本信息
標準編號： BHMA A156.4:2000
發布時間：2000/4/26 0:00:00
標準類別：Standard
出版單位：Builders Hardware Manufacturers Association
標準頁數：36
標準簡介
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.
標準備注
Also numbered as CGSB 69.20 (05/2001) Supersedes A A 1926 (04/2003)
替代本標準的新標準
等同采用的國際標準
CGSB 69.20:1990 - Equivalent
