British Standards Document
BS EN 12864
Low-pressure, non adjustable regulators having a maximum outlet pressure of less than or equal to 200 mbar, with a capacity of less than or equal to 4 kg/h, and their associated safety devices for butane, propane or their mixtures

https://doi.org/10.3403/02534118U

BS EN 12864 is maintained by GSE/24. The current release of this standard is:

BS EN 12864:2001+A3:2009 Low-pressure, non adjustable regulators having a maximum outlet pressure of less than or equal to 200 mbar, with a capacity of less than or equal to 4 kg/h, and their associated safety devices for butane, propane or their mixtures

https://doi.org/10.3403/02534118 (published 27/03/2002)

This standard is available from the following sources:

Other historical versions of this standard document also exist: