REGULATION (EU) No 305/2011 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 9 March 2011 laying down harmonised conditions for the marketing of construction products and repealing Council Directive 89/106/EEC
This European Standard specifies requirements for construction and performance of wet alarm valve assemblies and retard chambers used in automatic sprinkler systems. Auxiliary components and attachments to wet alarm valve assemblies and retard chambers are not covered by this standard. NOTE: All pressure data in this European Standard are given as gauge pressure in bar.
Number of pages: 12
Date of approval: 2006-04-28
EN 12259-2:1999/A2:2005 IDT