British Standards Document
BS EN 1092-1
Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated. Steel flanges

https://doi.org/10.3403/30336441U

BS EN 1092-1 is maintained by PSE/15. The current release of this standard is:

BS EN 1092-1:2018 Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated. Steel flanges

https://doi.org/10.3403/30336441 (published 13/04/2018)

This standard is available from the following sources:

Other historical versions of this standard document also exist:

BS EN 1092-1:2007+A1:2013 [current until 13/04/2018]
BS EN 1092-1:2007 [current until 30/04/2013]
BS EN 1092-1:2002 [current until 31/10/2007]