This standard specifies requirements for constructions 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 2)
Registration number (WIID)
39394
Scope
This standard specifies requirements for constructions 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 2)