EN 549:1994

Rubber materials for seals and diaphragms for gas appliances and gas equipment

Publication date:   Aug 3, 2001

General information

99.60 Withdrawal effective   Jul 3, 2019

CEN

CEN/TC 208 Elastomeric seals for joints in pipework and pipelines

European Norm

83.140.50   Seals

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Scope

This standard specifies requirements and associated test methods for vulcanized rubber materials used in gas appliances and equipment in contact with 1st, 2nd and 3rd family combustible gases. It also establishes a classification based on temperature range and hardness. This standard is applicable to materials from which are manufactured homogeneous seals and homogeneous or reinforced diaphragms. The normal range of operating temperatures covered by this standard is 0 øC to + 60 øC. Tests are also included for applications using diaphragms within the range - 20 øC to + 80 øC and seals within the range - 20 øC to + 150 øC. For temperatures outside these ranges the user should contact the manufacturer regarding the suitability of the rubber material. This standard includes two normative annexes for the verification that a component (finished product) was produced from a previously type tested material complying with requirements of this standard as declared by the appliance or equipment manufacturer or supplier of the component. This standard is not applicable to silicone rubber used either above 200 mbar nominal pressure or at temperatures below 0 øC with 3rd family gases as there is possibility of condensation. This standard is also not applicable to seals and diaphragms for devices in gas transmission systems nor in such equipment used in 1st and 2nd family gas distribution systems.

Related legislation

Legislation related to this standard

89/106/EEC

Construction products

90/396/EEC

Appliances burning gaseous fuels

Harmonized/Supporting
2009/142/EC

Appliances burning gaseous fuels

Harmonized/Supporting
305/2011

Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec

Life cycle

PREVIOUSLY

WITHDRAWN
EN 291:1992

WITHDRAWN
EN 279:1991

WITHDRAWN
EN 278:1991

NOW

WITHDRAWN
EN 549:1994
99.60 Withdrawal effective
Jul 3, 2019

REVISED BY

WITHDRAWN
EN 549:2019