• There are no items in your cart
We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
Dismiss alert

BS EN 12259-2:1999

Current
Current

The latest, up-to-date edition.

Fixed firefighting systems. Components for sprinkler and water spray systems Wet alarm valve assemblies
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

30-06-2006

Foreword
1 Scope
2 Normative references
3 Definitions
4 Wet alarm valve assembly construction and performance
5 Retard chamber construction and performance
6 Marking
7 Instructions for fitting and operation
8 Evaluation of conformity
Annex A (normative) Fire exposure test for body and cover
Annex B (normative) Strength test for body and cover
Annex C (normative) Performance tests
Annex D (normative) Fatigue test for springs and diaphragms
Annex E (normative) Endurance tests
Annex F (normative) Resistance to ageing test for non-metallic
        components (excluding gaskets and seals)
Annex G (normative) Resistance to adhesion test for sealing
        assembly elements
Annex H (normative) Determination of pressure loss due to
        hydraulic friction loss
Annex I (normative) Leakage resistance test
Annex J (normative) Strength test for retard chambers
Annex K (informative) Typical testing schedule and example
        of test specimen numbers for wet alarm valve
        assemblies and retard chambers (only for conventional
        design)
Annex L (informative) Recommendations for type approval
        testing
Annex M (informative) Attestation of conformity
Annex N (normative) Salt mist corrosion test
Annex ZA (informative) Clauses of this European Standard
         addressing the provisions of the EU Construction
         Products Directive
Bibliography

Specifies requirements for construction/performance for wet alarm valve assemblies used in automatic sprinkler systems.

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)

Committee
FSH/18/2
DevelopmentNote
Supersedes 97/540820 DC. (11/2002) Also available as a part of BS KIT 126. (06/2004) Supersedes 05/30130509 DC. (09/2007)
DocumentType
Standard
Pages
36
PublisherName
British Standards Institution
Status
Current
Supersedes

ISO 898-2:2012 Mechanical properties of fasteners made of carbon steel and alloy steel — Part 2: Nuts with specified property classes — Coarse thread and fine pitch thread
EN ISO 9002:1994/AC:1997 QUALITY SYSTEMS - SPECIFICATION FOR PRODUCTION AND INSTALLATION
EN ISO 9003:1994/AC:1997 QUALITY SYSTEMS - SPECIFICATION FOR FINAL INSPECTION AND TEST
EN ISO 9001:2015 Quality management systems - Requirements (ISO 9001:2015)
ISO 898-1:2013 Mechanical properties of fasteners made of carbon steel and alloy steel — Part 1: Bolts, screws and studs with specified property classes — Coarse thread and fine pitch thread

View more information
£218.00
Excluding VAT

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.