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S+ IEC 60079-0 Ed. 7.0 en:2017 (Redline version)

Explosive atmospheres - Part 0: Equipment - General requirements

IEC 60079-0:2017 RLV contains the International Standard and its Redline version. The Redline version is available in English only. The Redline version provides you with a quick and easy way to compare all the changes between this standard and its previous edition. The Redline version is not an official IEC Standard, only the current version of the standard is to be considered the official document.
 
 IEC 60079-0:2017 specifies the general requirements for construction, testing and marking of Ex Equipment and Ex Components intended for use in explosive atmospheres. The standard atmospheric conditions (relating to the explosion characteristics of the atmosphere) under which it may be assumed that Ex Equipment can be operated are:
 -temperature û20 C to +60 C;
 -pressure 80 kPa (0,8 bar) to 110 kPa (1,1 bar); and
 -air with normal oxygen content, typically 21 % v/v.
 This part of IEC 60079 and other standards supplementing this standard specify additional test requirements for Ex Equipment operating outside the standard temperature range, but further additional consideration and additional testing may be required for Ex Equipment operating outside the standard atmospheric pressure range and standard oxygen content. Such additional testing may be particularly relevant with respect to Types of Protection that depend on quenching of a flame such as æflameproof enclosures ôdöÆ (IEC 60079-1) or limitation of energy, æintrinsic safety ôiöÆ (IEC 60079-11).á This seventh edition cancels and replaces the sixth edition, published in 2011. This edition constitutes a technical revision.á Refer to the Forward of the document for a complete listing of the technical changes between edition 7.0 and the previous edition of the document.
 
 Keywords: Ex Equipment and Ex Components intended for use in explosive atmospheres

 

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