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NEN EN 549 : 1995

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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Withdrawn date

01-07-2019

Published date

12-01-2013

Publisher

Netherlands Standards

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
Draft issued in June 2017. (06/2017)
DocumentType
Standard
PublisherName
Netherlands Standards
Status
Withdrawn

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

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