BSI - BS 1963
Pressure Operated Relay Valves for Domestic, Commercial and Catering Gas Appliances
|Publication Date:||31 August 1990|
|ICS Code (Cooking ranges, working tables, ovens and similar appliances):||97.040.20|
Requirements for valves for use in 1st, 2nd and 3rd family gas systems up to 30 mbar for 1st and 2nd family gas and 45 mbar for 3rd family gas, with connections up to DN50. Design and performance requirements with methods of test.