NF EN 549 : 1995

Withdrawn

View Superseded by

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

Withdrawn date

29-09-2021

Published date

12-01-2013

Publisher

Association Francaise de Normalisation

Foreword
Introduction
1. Scope
2. Normative references
3. Definitions
4. Manufacturer's declared information
5. Classification
6. Requirements
7. Test methods
Annex
A. (normative) Verification of components by physical
and chemical testing
B. (normative) Verification of components by infra-red
spectrometric method

Specifies requirements and associated test methods for vulcanized rubber materials used in gas appliance and equipment in contact with 1st, 2nd, and 3rd family combustible gases. Also establishes a classification based on temperature range and hardness. Applies to materials from which are manufactured homogeneous or reinforced diaphragms. Does not apply to seals and diaphragms for devices in gas transmission systems nor in equipment used in 1st and 2nd family gas distribution systems.

DevelopmentNote	Indice de classement: D36-205PR. Supersedes NF EN 278, NF EN 279 & NF EN 291. (09/2012) PR NF EN 549 July 2017. (07/2017)
DocumentType	Standard
PublisherName	Association Francaise de Normalisation
Status	Withdrawn
SupersededBy	NF EN 549:2019

Standards	Relationship
NBN EN 549 : 1995	Identical
DIN EN 549:1995-04	Identical
I.S. EN 549:1995	Identical
ONORM EN 549 : 1995	Identical
EN 549:1994	Identical
NEN EN 549 : 1995	Identical
BS EN 549:1995	Identical
NS EN 549 : 1ED 1995	Identical
SN EN 549 : 1995	Identical
UNI EN 549 : 1996	Identical
UNE-EN 549:1996	Identical

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