BS EN 549:2019 - Rubber materials for seals and diaphragms for gas appliances and gas equipment

BS EN 549:2019

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

Status : Current   Published : July 2019

Format
PDF

Format
HARDCOPY



This document specifies 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 437:2018, additionally LPG, bio methane and bio LPG, in the same quality, are covered. It also establishes a classification based on temperature range and hardness. This document is applicable to materials from which homogeneous seals and homogeneous or reinforced diaphragms are manufactured. Since the dimensions and shape of the components differ from those of standard test pieces taken from sheet material as used for type testing of the rubber materials according to this document, tolerances have been made in the requirements specified by Annex A for the components with respect to those specified for standard test pieces. The range of operating temperatures covered by this document is –40 °C to +150 °C. For applications with potential condensation, this document is not applicable for silicon rubber, e.g. above 200 hPa (200 mbar) nominal pressure or at temperatures below 0 °C with 3rd family gases.




Standard NumberBS EN 549:2019
TitleRubber materials for seals and diaphragms for gas appliances and gas equipment
StatusCurrent
Publication Date18 July 2019
Normative References(Required to achieve compliance to this standard)EN ISO 1183-1:2019, ISO 815-1:2014, ISO 1817:2015, ISO 1407:2011, ISO 23529:2016, ISO 1431-1:2012, ISO 4650:2012, ISO 815-2:2014, ISO 188:2011, ISO 48-2:2018, ISO 37:2017
Informative References(Provided for Information)EN ISO 2578:1998, ISO 2781:2008+A1:2010,

Multi-user access to over 3,500 medical device standards, regulations, expert commentaries and other documents


Tracked Changes

Understand the changes made to a standard with our new Tracked Changes version


BSOL

The faster, easier way to work with standards


Collaborate, Innovate, Accelerate.