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 guage pressure in bar (bar=100.000 Pa)
Tämän julkaisun valmistelusta Suomessa vastaa SFS Suomen Standardit, puh. 09 149 9331.
ISO 7-1:1994 Pipe threads where pressure-tight joints are made on the threads -- Part 1: Dimensions, tolerances and designation
ISO 898-1:1988 Mechanical properties of fasteners -- Part 1: Bolts, screws and studs
ISO 898-2:1992 Mechanical properties of fasteners -- Part 2: Nuts with specified proof load values -- Coarse thread
ISO 7-1:1994 Pipe threads where pressure-tight joints are made on the threads -- Part 1: Dimensions, tolerances and designation
ISO 898-1:1988 Mechanical properties of fasteners -- Part 1: Bolts, screws and studs
ISO 898-2:1992 Mechanical properties of fasteners -- Part 2: Nuts with specified proof load values -- Coarse thread