AS/NZS 60079.26:2015
Explosive atmospheres - Part 26: Equipment with Equipment Protection Level (EPL) Ga
Sets out the 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. Identical to and reproduced from IEC 60079-26 Ed.3.0 (2014).
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CONTENTS
1 Scope
2 Normative references
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
4.1.3 Application of a Type of Protection providing EPL Gb and a separationelement
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
4.3 Process connection
5 Type tests
5.1 Standardized types of protection
5.2 Separation elements
5.3 Temperature evaluation
6 Marking
6.1 General
6.2 Examples of marking
7 Instructions
7.1 Separation elements
7.2 Process connection
7.3 EPL allocation
Bibliography
Figure 1 – Example of a partition wall with a conductor bushing considered as gasdiffusion tight
Figure 2 – Example of a separation element with a cylindrical shaft joint andnaturalventilation
Table 1 – Separation elements
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References
Explosive atmospheres - Part 1: Equipment protection by flameproof enclosures ‘d’
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CONTENTS
1 Scope
2 Normative references
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
4.1.3 Application of a Type of Protection providing EPL Gb and a separationelement
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
4.3 Process connection
5 Type tests
5.1 Standardized types of protection
5.2 Separation elements
5.3 Temperature evaluation
6 Marking
6.1 General
6.2 Examples of marking
7 Instructions
7.1 Separation elements
7.2 Process connection
7.3 EPL allocation
Bibliography
Figure 1 – Example of a partition wall with a conductor bushing considered as gasdiffusion tight
Figure 2 – Example of a separation element with a cylindrical shaft joint andnaturalventilation
Table 1 – Separation elements
AS/NZS 60079.26:2015
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.