British Standards Document
BS EN 13785
Regulators with a capacity of up to and including 100 kg/h, having a maximum nominal outlet pressure of up to and including 4 bar, other than those covered by EN 12864 and their associated safety devices for butane, propane or their mixtures

https://doi.org/10.3403/03240805U

BS EN 13785 is maintained by GSE/24. The current release of this standard is:

BS EN 13785:2005+A1:2008 Regulators with a capacity of up to and including 100 kg/h, having a maximum nominal outlet pressure of up to and including 4 bar, other than those covered by EN 12864 and their associated safety devices for butane, propane or their mixtures

https://doi.org/10.3403/03240805 (published 30/03/2005)

This standard is available from the following sources:

Other historical versions of this standard document also exist: