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UNI EN 549 : 1996

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Superseded date

08-23-2022

Published date

01-01-1996

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
Supersedes UNI EN 278, UNI EN 291 and UNI EN 279. (10/2002)
DocumentType
Standard
PublisherName
Ente Nazionale Italiano di Unificazione (UNI)
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
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
UNE-EN 549:1996 Identical
NF EN 549 : 1995 Identical
ONORM EN 549 : 1995 Identical
NBN EN 549 : 1995 Identical
DIN EN 549:1995-04 Identical
I.S. EN 549:1995 Identical

UNI 11353 : 2010 STAINLESS STEEL CORRUGATED FLEXIBLE SAFETY HOSE ASSEMBLIES FOR THE CONNECTION OF GAS APPLIANCES FOR DOMESTIC AND SIMILAR USES - SAFETY REQUIREMENTS
UNI 11528 : 2014 GAS PLANTS OVER 35 KW - DESIGN, INSTALLATION AND COMMISSIONING
UNI 7140 : 2013 GAS APPLIANCES FOR DOMESTIC USE - NON-METALLIC FLEXIBLE HOSES FOR GAS APPLIANCES FOR DOMESTIC USE AND SIMILAR
UNI 7131 : 2014 LPG PLANTS FOR DOMESTIC USE NOT FED BY A DISTRIBUTION NETWORK - DESIGN, INSTALLATION AND COMMISSIONING

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