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EVS-EN ISO/IEC 80079-20-1:2019

Plahvatusohtlikud keskkonnad. Osa 20-1: Gaaside ja aurude liigitamiseks kasutatavad materjaliomadused. Katsemeetodid ja tunnusväärtused

Üldinfo
Kehtiv alates 01.11.2019
Alusdokumendid
ISO/IEC 80079-20-1:2017; EN ISO/IEC 80079-20-1:2019
Direktiivid või määrused
puuduvad
Standardi ajalugu
Staatus
Kuupäev
Tüüp
Nimetus
01.11.2019
Põhitekst
05.09.2012
Parandus
08.04.2010
Põhitekst
ISO/IEC 80079-20-1:2017 is published as a dual log standard and provides guidance on classification of gases and vapours. It describes a test method intended for the measurement of the maximum experimental safe gaps (MESG) for gas-air mixtures or vapour-air mixtures under normal conditions of temperature and pressure (20 °C, 101,3 kPa) so as to permit the selection of an appropriate group of equipment. This document also describes a test method intended for use in the determination of the auto-ignition temperature (AIT) of a vapour-air mixture or gas-air mixture at atmospheric pressure, so as to permit the selection of an appropriate temperature class of equipment. Values of chemical properties of materials are provided to assist in the selection of equipment to be used in hazardous areas. Further data may be added as the results of validated tests become available. The materials and the characteristics included in a table (see Annex B) have been selected with particular reference to the use of equipment in hazardous areas. The data in this document have been taken from a number of references which are given in the bibliography. These methods for determining the MESG or the AIT may also be used for gas-air-inert mixtures or vapour-air-inert mixtures. However, data on air-inert mixtures are not tabulated. Keywords: classification of gases and vapours, measurement of the maximum experimental safe gaps (MESG)
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EVS-EN IEC 60079-10-1:2021

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CLC/TR 60079-32-1:2018

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Uusim versioon Kehtiv alates 03.01.2019
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EVS-EN IEC 60079-0:2018

Plahvatusohtlikud keskkonnad. Osa 0: Seadmed. Üldnõuded
Uusim versioon Kehtiv alates 16.07.2018