British Standards Document
BS 6459-1
Door closers. Specification for mechanical performance of crank and rack and pinion overhead closers

https://doi.org/10.3403/00079441U

BS 6459-1 is maintained by B/538/4. The current release of this standard is:

BS 6459-1:1984 Door closers. Specification for mechanical performance of crank and rack and pinion overhead closers

https://doi.org/10.3403/00079441 (published 31/01/1984)

This standard is available from the following sources:

Other historical versions of this standard document also exist: