GB 25286.3-2010
Non-electrical equipment for explosive atmospheres.Part 3:Protection by flameproof enclosure "d" (English Version)

Standard No.

GB 25286.3-2010

Language

Chinese, Available in English version

Release Date

2010

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB 25286.3-2010

Scope

This standard specifies requirements for the design, evaluation, construction and testing of equipment intended for use in explosive gas and/or combustible dust atmospheres protected by flameproof enclosures type "d". This part is a supplement to GB 25286.1, and the content of GB 25286.1 is also fully applicable to equipment manufactured in accordance with the provisions of this part. Equipment complying with the relevant provisions of this part meets the requirements of the following levels: Class I Class Mb equipment, under normal operation and severe operating conditions, especially rough handling and changes in environmental conditions, there will be no ignition source that causes ignition; Class II Class Gb Or Class III Db equipment, under normal operation and expected failure conditions, there is no ignition source that causes ignition. The explosion-proof type specified in this part can be used alone or used together with other explosion-proof types, according to the ignition hazard assessment in GB 25286.1, to provide protection for Class I Mb equipment or II Ga, Gb and III Class Da, Db equipment. This section does not apply to equipment for sulfur dust and organic peroxides. This standard does not apply to explosion-proof electrical equipment or reciprocating internal combustion engines. Electrical equipment shall comply with GB 3836.1 and GB 3836.2; reciprocating internal combustion engines shall comply with GB 20800.1, GB 20800.2 and GB 20800.3.

GB 25286.3-2010 Referenced Document

• EN 50303 Group I, Category M1 Equipment Intended to Remain Functional in Atmospheres Endangered by Firedamp and/or Coal Dust
• GB 20800.1-2006 General rules of explosion-protect techniques of reciprocating internal combustion engines for explosive atmospheres Part 1: Group Ⅱ engines for use in flammable gas and vapor atmospheres
• GB 20800.2-2006 General rules of explosion-protect techniques of reciprocating internal combustion engines for explosive atmospheres Part 2: Group Ⅱ engines for use in flammable dust atmospheres
• GB 20800.3-2008 General rules of explosion-protect techniques of reciprocating internal combustion engines for explosive atmospheres.Part 3:Group I engines for use in underground workings susceptible to firedamp and/or combustible dust
• GB 25285.1-2010 Explosive atmospheres.Explosion prevention and protection.Part 1:Basic concepts and methodology
• GB 25285.2-2010 Explosive atmospheres.Explosion prevention and protection.Part 2:Basic concepts and methodology for mining
• GB 25286.1-2010 Non-electrical equipment for explosive atmospheres.Part 1:Basic method and requirements
• GB 3836.1-2010 Explosive atmospheres.Part 1:Equipment.General requirements
• GB 3836.2-2010 Explosive atmospheres.Part 2:Equipment protection by flameproof enclosures "d"

GB 25286.3-2010 history

• 2010 GB 25286.3-2010 Non-electrical equipment for explosive atmospheres.Part 3:Protection by flameproof enclosure "d"

GB 25286.3-2010 -All Parts