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Implementation Plan for Replacing Coal Safety and Mine Safety Certificates According to the New Explosion proof Standards

On May 1, 2022, the GB/T 3836-2021 series of standards for explosive environments (hereinafter referred to as the new version of explosion-proof standards) officially came into effect. The National Ce……

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Process for obtaining certification of installation, maintenance, and repair capabilities for explosion-proof electrical equipment

The certification of installation, maintenance, and repair capabilities for explosion-proof electrical equipment is currently one of the essential certificates for most explosion-proof electrical cons……

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The relevant regulations of the National Safety Standards Center for OEM mode enterprises to apply for coal safety certification

To standardize the management of safety signs for mining products produced by OEM and strengthen process control, this rule is formulated. The review and issuance of safety signs for OEM products shou……

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Explosion proof electrical CCC certification based on GB/T3836 standard revision requirements

Heavy weight! Heavy weight! Heavy weight! The new national standard GB/T3836-2021 series explosion-proof standards have been officially implemented on May 1, 2022. Starting from May 1, 2022, the CCC c……

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Validity period of coal safety certification safety mark certificate

(1) Conventional products. The validity period of safety signs is generally 5 years; (2) New product……

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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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Basic requirements for the safety of explosion-proof electrical equipment in hazardous areas | Explosion proof testing

Installing and using explosion-proof electrical equipment in hazardous and explosive areas is the most basic requirement for safety. But what issues should be noted when selecting and installing explo……

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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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