BSI - BS 5041-2
Specification Fire Hydrant Systems Equipment Part 2: Landing Valves for Dry Risers
|Publication Date:||27 February 1976|
|ICS Code (Fire-fighting):||13.220.10|
Requirements for copper alloy gate valves of nominal 21⁄2 in bore for use on dry rising mains and fitted with an instantaneous female outlet complying with the requirements of BS 336.