QB/T 3893-1999
Door closers (English Version)
- Standard No.
- QB/T 3893-1999
- Language
- Chinese, Available in English version
- Release Date
- 1988
- Published By
- Professional Standard - Light Industry
- Status
- 2005-09
- Replace By
- QB/T 2698-2005
- Latest
- QB/T 2698-2013
- Scope
- This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, transportation and storage of door closers. This standard applies to door closers installed on the upper part of the swing door leaf and acted by a combination of metal springs and hydraulic damping.
QB/T 3893-1999 history
- 2013 QB/T 2698-2013 Door closer
- 2005 QB/T 2698-2005 Door closer
- 1988 QB/T 3893-1999 Door closers
QB/T 3893-1999 Door closers was changed to QB/T 2698-2005 Door closer.
