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Material requirements for metal shells and shell metal components in product explosion-proof certification

Due to the instability of plastic casings and materials, as well as the danger of electrostatic charge accumulation, most explosion-proof products generally adopt metal casings or metal components to ……

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What are the latest GB/T 3836 series standards included?

GB/T 3836.1-2021 Explosive Environments Part 1: General Requirements for Equipment GB/T 3836.2-2021 Explosive Environments Part 2: Equipment Protected by Explosion proof Enclosures "d" GB/T ……

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The basic principle of explosion-proof certification

Explosion proof is one of the most commonly used explosion-proof types in the market, with applicable standards being GB/T 3836.1 and GB/T 3836.2. Mainly achieved through the protection of explosion-p……

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The latest requirements for applying for coal safety certification for mining equipment using lithium-ion batteries

According to the minutes of the 2022 Mining Product Explosion proof Technology Seminar, there are several requirements for the use of lithium-ion batteries in mining equipment: 27. Requirements for th……

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The new version of Coal Safety Certification and Coal Safety Certification Product Catalog will be implemented on December 10, 2022

On September 15, 2022, the Notice of the State Administration of Mining Safety on Issuing the Catalogue of Mining Products Subject to Safety Mark Management (Kuan An [2022] No. 123) adjusted the scope……

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Explosion proof acceptance report for installation and construction completion of explosion-proof electrical equipment

Many corporate customers are puzzled whether the electrical equipment purchased with a valid and genuine explosion-proof certificate can be used normally after installation? Does the use of explosion-……

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The latest execution standards for explosion-proof electrical certification in China

At present, the international IECEx certification standard is the IEC60079 series, the EU ATEX certification standard is the EN60079 series, and the domestic explosion-proof certification standard is ……

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Product requirements for applying for coal safety certification in OEM mode

1. The applicant for safety signs is the production unit. Except for OEM production, please use the ……

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Classification of explosion-proof areas for explosive gas environments

When dealing with many companies, we find that many companies believe that the classification of hazardous areas for explosive gas environments is based on the reserves or properties of hazardous subs……

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GB/T3836-2021 Basic requirements for explosion-proof level of explosion-proof type "da"

In the new version of GB/T3836-2021 explosion-proof standard, explosion-proof protection level has been added to explosion-proof electrical equipment, divided into "da" protection level (EPL……

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