• I.S. EN 1491:2000

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    BUILDING VALVES - EXPANSION VALVES - TESTS AND REQUIREMENTS

    Available format(s):  Hardcopy, PDF

    Superseded date:  04-03-2023

    Language(s):  English

    Published date:  01-01-2000

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

    Add To Cart

    Table of Contents - (Show below) - (Hide below)

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Definitions
    4 Materials and surface finishes
    5 Design and dimensional requirements
    6 Hydraulic tests and requirements
    7 Mechanical tests and requirements
    8 Acoustic tests and requirements
    9 Classification
    10 Designation
    11 Marking
    Annex A (informative)
          A.1 Safety equipment for water heaters
          A.2 Classification of water heaters according to
              heating method

    Abstract - (Show below) - (Hide below)

    Describes dimensions, materials and performance requirements (including methods of test) for expansion valves, of nominal sizes from DN 15 to DN 40, having working pressures from 0,1 Mpa (1 bar) to 1,0 Mpa (10 bar).

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Superseded
    Superseded By

    Standards Referencing This Book - (Show below) - (Hide below)

    EN 1254-2:1998 Copper and copper alloys - Plumbing fittings - Part 2: Fittings with compression ends for use with copper tubes
    ISO 7005-3:1988 Metallic flanges Part 3: Copper alloy and composite flanges
    ISO 7-1:1994 Pipe threads where pressure-tight joints are made on the threads Part 1: Dimensions, tolerances and designation
    EN 12420:2014 Copper and copper alloys - Forgings
    EN ISO 6509 : 1995 CORROSION OF METALS AND ALLOYS - DETERMINATION OF DEZINCIFICATION RESISTANCE OF BRASS
    EN 1982:2017 Copper and copper alloys - Ingots and castings
    ISO 228-1:2000 Pipe threads where pressure-tight joints are not made on the threads Part 1: Dimensions, tolerances and designation
    • 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, flexibile and cost effective