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

In the new version of GB/T3836-2021 explosion-proof standard, explosion-proof protection levels have been added to explosion-proof electrical equipment, which are divided into: Da "protection lev……

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Explosion proof marking instructions for Ex equipment used in explosive gas environments according to GB/T 3836 standard

The new version of GB/T3836 series standards has been officially implemented on May 1, 2022. The difference between the old and new standards is a concern for many corporate customers. The explosion-p……

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List of the latest GB/T3836 series explosion-proof standards currently in use

Recently, many customers have been inquiring about the date of the new version of the explosion-proof certification standard GB/T3836. Zhongnuo Testing would like to inform everyone that the new versi……

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

8 Metal shells and metal components of shells 8.1 Material composition The materials of the shells o……

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Technical requirements for explosion-proof certification of explosion-proof enclosures for Ex components

Appendix D (Normative) serves as the explosion-proof enclosure for Ex components D.1 General Provisions. The purpose of issuing explosion-proof certificates for Ex components is to enable manufacturer……

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Material requirements for non-metallic shells and non-metallic components in explosion-proof certification

7 Non metallic shells and non-metallic components of shells 7.1 General rules 7 1. Scope of applicat……

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Basic requirements for batteries and battery packs in explosion-proof electrical equipment

Battery is one of the main power supply methods for explosion-proof electrical equipment, and it is also a technical difficulty that customers often encounter during the explosion-proof testing and ce……

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List of Domestic Explosion proof Certification Organizations

When it comes to the issue of explosion-proof certification agencies in the market, there are currently more than ten domestic institutions that can issue explosion-proof certificates. But most custom……

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Execution standards for explosion-proof product certification

Explosion proof certification is the process of determining whether equipment meets the requirements of explosion-proof standards, conducting type tests and routine tests for adaptation, and issuing r……

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Requirements for IP protection level of explosion-proof equipment used in explosive gas sites

In the previous article, we provided a detailed introduction to the IP protection level requirements for explosion-proof equipment in places with combustible dust. This article further introduces the ……

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