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    I.S. EN 12284:2003

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    REFRIGERATING SYSTEMS AND HEAT PUMPS - VALVES - REQUIREMENTS, TESTING AND MARKING

    Available format(s):  Hardcopy, PDF

    Superseded date:  24-11-2021

    Language(s):  English

    Published date:  01-01-2003

    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.

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

    Foreword
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 List of Symbols
    5 General Requirements
    6 Materials
    7 Design
    8 Construction and workmanship
    9 Testing
    10 Marking and additional information
    11 Documentation
    Annex A (normative) Procedure for the design of a valve by
             use of a simplified method of calculation
    Annex B (normative) Experimental design method for valves
    Annex C (normative) Determination of the allowable pressure
             at the maximum operating temperature
    Annex D (normative) Determination of the allowable pressure
             at minimum operating temperature (Requirements to
             avoid brittle fracture)
    Annex E (informative) Compilation of material characteristics
             of often used materials
    Annex F (informative) Justification of the individual methods
    Annex ZA (informative) Relationship between this European
             Standard and the Essential Requirements of EU
             Directive 97/23/EC
    Bibliography

    Abstract - (Show below) - (Hide below)

    Describes safety requirements, safety factors, test methods, test pressures used and marking of refrigerating valves and other components with similar bodies, hereinafter called valves, for use in refrigerating systems.

    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    Status Superseded
    Superseded By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 ISO 4287:1998/A1:2009 GEOMETRICAL PRODUCT SPECIFICATIONS (GPS) - SURFACE TEXTURE: PROFILE METHOD - TERMS, DEFINITIONS AND SURFACE TEXTURE PARAMETERS
    EN 10269:2013 Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
    EN 13480-2:2017 Metallic industrial piping - Part 2: Materials
    EN 1515-1:1999 Flanges and their joints - Bolting - Part 1: Selection of bolting
    EN 10027-2:2015 DESIGNATION SYSTEMS FOR STEELS - PART 2: NUMERICAL SYSTEM
    EN 288-1:1992/A1:1997 SPECIFICATION AND QUALIFICATION OF WELDING PROCEDURES FOR METALLIC MATERIALS - GENERAL RULES FOR FUSION WELDING
    EN 378-4:2016 Refrigerating systems and heat pumps - Safety and environmental requirements - Part 4: Operation, maintenance, repair and recovery
    EN 10028-3:2017 Flat products made of steels for pressure purposes - Part 3: Weldable fine grain steels, normalized
    EN 10273:2016 Hot rolled weldable steel bars for pressure purposes with specified elevated temperature properties
    EN ISO 3506-1:2009 Mechanical properties of corrosion-resistant stainless steel fasteners - Part 1: Bolts, screws and studs (ISO 3506-1:2009)
    EN 378-1:2016 Refrigerating systems and heat pumps - Safety and environmental requirements - Part 1: Basic requirements, definitions, classification and selection criteria
    EN 378-3:2016 Refrigerating systems and heat pumps - Safety and environmental requirements - Part 3: Installation site and personal protection
    PREN 14276-1 : DRAFT 2017 PRESSURE EQUIPMENT FOR REFRIGERATING SYSTEMS AND HEAT PUMPS - PART 1: VESSELS - GENERAL REQUIREMENTS
    EN 10088-3:2014 Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes
    CR ISO 15608 : 2000 WELDING - GUIDELINES FOR A METALLIC MATERIAL GROUPING SYSTEM
    EN 10213-2 : 1995 TECHNICAL DELIVERY CONDITIONS FOR STEEL CASTINGS FOR PRESSURE PURPOSES - PART 2: STEEL GRADES FOR USE AT ROOM TEMPERATURE AND ELEVATED TEMPERATURES
    EN 10087:1998 Free-cutting steels - Technical delivery conditions for semi-finished products, hot-rolled bars and rods
    EN 10025:1990/A1:1993 HOT ROLLED PRODUCTS OF NON-ALLOY STRUCTURAL STEELS - TECHNICAL DELIVERY CONDITIONS
    PREN 764-1 : DRAFT 2013 PRESSURE EQUIPMENT - PART 1: VOCABULARY
    EN 10216-2:2013 Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties
    EN 764-5:2014 Pressure equipment - Part 5: Inspection documentation of metallic materials and compliance with the material specification
    EN 20898-2 : 1993 MECHANICAL PROPERTIES OF FASTENERS - PART 2: NUTS WITH SPECIFIED PROOF LOAD VALUES - COARSE THREAD (ISO 898-2:1992)
    EN 10028-2:2017 Flat products made of steels for pressure purposes - Part 2: Non-alloy and alloy steels with specified elevated temperature properties
    EN 1653:1997/A1:2000 COPPER AND COPPER ALLOYS - PLATE, SHEET AND CIRCLES FOR BOILERS, PRESSURE VESSELS AND HOT WATER STORAGE UNITS
    PREN 12516-2 : DRAFT 2011 INDUSTRIAL VALVES - SHELL DESIGN STRENGTH - PART 2: CALCULATION METHOD FOR STEEL VALVE SHELLS
    EN 12449:2016 Copper and copper alloys - Seamless, round tubes for general purposes
    EN 10028-7:2016 Flat products made of steels for pressure purposes - Part 7: Stainless steels
    EN 10045-1 : 1990 METALLIC MATERIALS - CHARPY IMPACT TEST - PART 1: TEST METHOD
    EN 1173:2008 Copper and copper alloys - Material condition designation
    EN ISO 6708:1995 Pipework components - Definition and selection of DN (nominal size) (ISO 6708:1995)
    EN 10207:2017 Steels for simple pressure vessels - Technical delivery requirements for plates, strips and bars
    EN 10272:2016 Stainless steel bars for pressure purposes
    EN 10222-3:2017 Steel forgings for pressure purposes - Part 3: Nickel steels with specified low temperature properties
    EN 1706:2010 Aluminium and aluminium alloys - Castings - Chemical composition and mechanical properties
    EN 10222-5:2017 Steel forgings for pressure purposes - Part 5: Martensitic, austenitic and austenitic-ferritic stainless steels
    EN 12570:2000 Industrial valves - Method for sizing the operating element
    EN 60534-2-1:2011/AC:2015 INDUSTRIAL-PROCESS CONTROL VALVES - PART 2-1: FLOW CAPACITY - SIZING EQUATIONS FOR FLUID FLOW UNDER INSTALLED CONDITIONS (IEC 60534-2-1:2011)
    EN 10222-4:2017 Steel forgings for pressure purposes - Part 4: Weldable fine grain steels with high proof strength
    EN 10222-2:2017 Steel forgings for pressure purposes - Part 2: Ferritic and martensitic steels with specified elevated temperatures properties
    EN 10204:2004 Metallic products - Types of inspection documents
    EN 10213-3 : 1995 TECHNICAL DELIVERY CONDITIONS FOR STEEL CASTINGS FOR PRESSURE PURPOSES - PART 3: STEEL GRADES FOR USE AT LOW TEMPERATURES
    EN 12392:2016 Aluminium and aluminium alloys - Wrought products and cast products - Special requirements for products intended for the production of pressure equipment
    EN 1563:2011 Founding - Spheroidal graphite cast irons
    EN 10130:2006 Cold rolled low carbon steel flat products for cold forming - Technical delivery conditions
    EN 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 (ISO 898-1:2013)
    EN 12420:2014 Copper and copper alloys - Forgings
    EN 10216-4:2013 Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 4: Non-alloy and alloy steel tubes with specified low temperature properties
    EN 10213-4 : 1995 TECHNICAL DELIVERY CONDITIONS FOR STEEL CASTINGS FOR PRESSURE PURPOSES - PART 4: AUSTENITIC AND AUSTENITIC-FERRITIC STEEL GRADES
    EN 378-2:2016 Refrigerating systems and heat pumps - Safety and environmental requirements - Part 2: Design, construction, testing, marking and documentation
    EN 573-3:2013 Aluminium and aluminium alloys - Chemical composition and form of wrought products - Part 3: Chemical composition and form of products
    EN 764-4:2014 Pressure equipment - Part 4: Establishment of technical delivery conditions for metallic materials
    EN 1652:1997/AC:2003 COPPER AND COPPER ALLOYS - PLATE, SHEET, STRIP AND CIRCLES FOR GENERAL PURPOSES
    EN 25817 : 1992 ARC WELDED JOINTS IN STEEL - GUIDANCE ON QUALITY LEVELS FOR IMPERFECTIONS
    EN 10216-3:2013 Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 3: Alloy fine grain steel tubes
    EN ISO 3506-2:2009 Mechanical properties of corrosion-resistant stainless steel fasteners - Part 2: Nuts (ISO 3506-2:2009)
    EN 287-1:2011 Qualification test of welders - Fusion welding - Part 1: Steels
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