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BS EN 60079-26:2015 – TC:2020 Edition

BS EN 60079-26:2015 – TC:2020 Edition

$134.27

Tracked Changes. Explosive atmospheres – Equipment with Equipment Protection Level (EPL) Ga

Published By Publication Date Number of Pages
BSI 2020 54
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IEC 60079-26:2014 is available as /2 which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition. IEC 60079-26:2014 specifies alternative requirements for construction, test and marking for electrical equipment that provides Equipment Protection Level (EPL) Ga when single standardised Types of Protection (e.g. Ex ‘ia’, Ex ‘ma’, Ex ‘da’) cannot be applied. This standard also applies to equipment mounted across a boundary where different Equipment Protection Levels may be required. This electrical equipment, within the operational parameters specified by the manufacturer, ensures a very high Level of Protection that includes rare malfunctions related to the equipment or two malfunctions occurring independently of each other. This standard supplements and modifies the general requirements of IEC 60079-0. Where a requirement of this standard conflicts with a requirement of IEC 60079-0, the requirement of this standard takes precedence. This third edition cancels and replaces the second edition published in 2006 and constitutes a technical revision. The numerous changes are identified in the Foreword of the document. Keywords: Equipment Protection Level (EPL) Ga

PDF Catalog

PDF Pages PDF Title
39 Significant changes between this European Standard and EN 60079-26:2007
41 English
CONTENTS
42 1 Scope
2 Normative references
43 3 Terms and definitions
4 Requirements for design and construction
4.1 Protection measures against ignition hazards of the electrical circuits
4.1.1 General
4.1.2 Application of two independent Types of Protection providing EPL Gb
44 4.1.3 Application of a Type of Protection providing EPL Gb and a separation element
45 Figures
Figure 1 – Example of a partition wall with a conductor bushing considered as gas diffusion tight
47 Tables
Table 1 – Separation elements
48 4.2 Equipment with moving parts
4.2.1 Frictional heating
4.2.2 Damage arising from failure of moving parts
4.2.3 Light metals
Figure 2 – Example of a separation element with a cylindrical shaft joint and natural ventilation
49 4.3 Process connection
5 Type tests
5.1 Standardized types of protection
5.2 Separation elements
5.3 Temperature evaluation
50 6 Marking
6.1 General
6.2 Examples of marking
7 Instructions
7.1 Separation elements:
51 7.2 Process connection:
7.3 EPL allocation
52 Bibliography

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BS EN 60079-26:2015 - TC
$134.27