GOST 31610.10-2012 PDF

Full title and description

GOST 31610.10-2012 — "Electrical apparatus for explosive gas atmospheres. Part 10. Classification of hazardous areas." This GOST is a national adoption of IEC 60079-10:2002 and defines terminology and rules for classifying locations where flammable gas/air mixtures may occur.

Abstract

GOST 31610.10-2012 provides methods and criteria to determine hazardous (explosive) area classification for atmospheres containing flammable gases or vapours. It sets out definitions of zones, guidance on release characteristics (degree of leakage), ventilation assessment and the parameters needed to assign zones (typically Zones 0, 1 and 2 for gas atmospheres). The standard is derived from IEC guidance and was published as a GOST national standard.

General information

• Status: Sources differ — originally introduced as a GOST adoption of IEC 60079-10, and later listings show it as replaced / not in force in the Russian Federation while commercial catalogues still list the 2012 text. Where noted, it has been superseded by newer national documents (see Related standards).
• Publication date: Registered/adopted in 2012 (registration/activation records) and entered into force/introduced on 15 February 2014 in published listings.
• Publisher: National standard (GOST) of the Russian Federation — adopted from IEC; the standard was prepared/maintained within the national GOST system (technical committee information appears in national catalogs).
• ICS / categories: 29.260.20 — Electrical equipment for explosive atmospheres (part of the electrical engineering classification).
• Edition / version: Designation GOST 31610.10-2012 (first national adoption of the IEC 60079-10 text); later national updates to the Part 10 series have been published (see Related standards).
• Number of pages: 51 pages (typical commercial/document listings).

Scope

The standard establishes the classification of hazardous (explosive) zones where flammable gas/air or vapour/air mixtures may occur under normal atmospheric conditions. It is intended to provide input data for selection and application of electrical equipment and for design of electrical installations in such areas. The text excludes specific applications such as gas- and dust-hazardous mine workings, sites producing explosives, areas where the hazard is due to combustible dust or fibres, and certain other special cases described in the standard.

Key topics and requirements

• Definitions and principles of hazardous-area (zone) classification for gas/vapour atmospheres (Zones 0, 1, 2).
• Assessment of release characteristics: degree of leakage, likelihood and duration of release, and hypothetical volume of flammable mixture.
• Consideration of ventilation: natural and mechanical ventilation, ventilation effectiveness and readiness.
• Procedures for location classification, combining release and ventilation data to assign the appropriate zone.
• Guidance for documentation and for providing input data needed when selecting explosion-protected electrical equipment.

Typical use and users

Used by electrical and process engineers, safety engineers, plant designers, certification bodies and regulatory authorities involved in hazardous-area assessment and equipment selection for oil & gas, chemical, petrochemical, storage and similar installations where flammable gases or vapours may be present. It is used to produce area classification reports, to support equipment selection and to demonstrate compliance with national/regional explosion-protection requirements.

Related standards

GOST 31610.10-2012 is part of the GOST/IEC 60079 series on explosive atmospheres. Closely related documents include GOST 31610.0 (General requirements), other parts of the 31610 series (for example those covering protection concepts such as intrinsic safety, flameproof enclosures, etc.), and later national updates such as the consolidated/updated zone-classification document GOST 31610.10-1-2022 / Part 10-1. Users should consult the current national edition or replacement documents for up-to-date mandatory requirements.

Keywords

hazardous area classification, explosive atmospheres, flammable gas, zone 0, zone 1, zone 2, ventilation, degree of leakage, IEC 60079-10, GOST 31610 series.

FAQ

Q: What is this standard?

A: GOST 31610.10-2012 is the Russian national adoption of IEC 60079-10:2002 titled "Electrical apparatus for explosive gas atmospheres — Part 10: Classification of hazardous areas", providing rules to classify locations where flammable gas/air mixtures may occur.

Q: What does it cover?

A: It covers terminology, concepts and procedures to assess release characteristics and ventilation, and to assign hazardous-area zones (typically Zones 0, 1 and 2) for gas/vapour atmospheres; it also lists cases and locations excluded from its scope.

Q: Who typically uses it?

A: Electrical, process and safety engineers, designers, certification bodies and regulators working in oil & gas, chemical, storage and other industries where flammable gases or vapours may be present.

Q: Is it current or superseded?

A: Catalogues and national registries show mixed information: the 2012 text was adopted and introduced in national practice, but later national updates to the Part 10 series have been published and in some registries the 2012 text is listed as replaced or no longer in force in the RF. Users should check the current national standard (e.g., the later Part 10-1 national publication) and the official national standards registry for the definitive current status.

Q: Is it part of a series?

A: Yes — it is part of the GOST/IEC 60079 family (GOST 31610.x series) covering explosive atmospheres and equipment protection methods; other parts address protection concepts, installation and selection of equipment.

Q: What are the key keywords?

A: hazardous area, zone classification, explosive atmospheres, flammable gas, ventilation, degree of leakage, IEC 60079-10.