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PREN 549 : DRAFT 2017

Current
Current

The latest, up-to-date edition.

RUBBER MATERIALS FOR SEALS AND DIAPHRAGMS FOR GAS APPLIANCES AND GAS EQUIPMENT
Published date

06-07-2017

European foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Product's information
5 Classification
6 Requirements
7 Test methods
8 Evaluation of life-time for material used to
  manufacture seals
Annex A (normative) - Verification of components
        by physical and chemical testing
Annex B (normative) - Verification of identity
Annex C (informative) - Evaluation of life-time
        for material used to manufacture seals by
        using the compression set method
Annex ZA (informative) - Relationship between this
         European Standard and the essential requirements
         of Directive 2009/142/EC aimed to be covered
Bibliography

Describes requirements and associated test methods for rubber materials used in gas installations, gas equipment and gas appliances in contact with 1st, 2nd and 3rd family combustible gases as classified in EN 437 e.g. natural gas, LPG, bio methane bio LPG.

Committee
TC 208
DocumentType
Draft
PublisherName
Comite Europeen de Normalisation
Status
Current

Standards Relationship
17/30328799 DC : 0 Identical
17/30328799 DC : DRAFT MAY 2017 Identical

ISO 815-2:2014 Rubber, vulcanized or thermoplastic Determination of compression set Part 2: At low temperatures
ISO 23529:2016 Rubber General procedures for preparing and conditioning test pieces for physical test methods
ISO 11346:2014 Rubber, vulcanized or thermoplastic — Estimation of life-time and maximum temperature of use
ISO 815-1:2014 Rubber, vulcanized or thermoplastic Determination of compression set Part 1: At ambient or elevated temperatures
ISO 188:2011 Rubber, vulcanized or thermoplastic — Accelerated ageing and heat resistance tests
ISO 1431-1:2012 Rubber, vulcanized or thermoplastic Resistance to ozone cracking Part 1: Static and dynamic strain testing
EN 437:2003+A1:2009 Test gases - Test pressures - Appliance categories
ISO 1407:2011 Rubber — Determination of solvent extract
ISO 37:2017 Rubber, vulcanized or thermoplastic — Determination of tensile stress-strain properties
ISO 48:2010 Rubber, vulcanized or thermoplastic Determination of hardness (hardness between 10 IRHD and 100 IRHD)
ISO 1817:2015 Rubber, vulcanized or thermoplastic Determination of the effect of liquids
ISO 2781:2008 Rubber, vulcanized or thermoplastic Determination of density
ISO 4650:2012 Rubber — Identification — Infrared spectrometric methods

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