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Explosion proof marking instructions for Ex equipment used in combustible dust environments according to the new GB/T3836 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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Basic principles of explosion-proof certification | Handling of explosion-proof qualification certificate

Explosion proof is one of the most commonly used types of explosion-proof products in the market, and the applicable standards are GB/T 3836.1 and GB/T 3836.2. The main way to achieve explosion preven……

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How to apply for an intrinsic safety explosion-proof certificate

The explosion-proof certificates we have recently obtained for temperature and vibration sensors, remote control transmitters, methane monitoring devices, Bluetooth beacons, walkie talkies, and other ……

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List of required documents for obtaining an explosion-proof certificate

What documents are required to apply for an explosion-proof certificate, and how do customers provide explosion-proof certification documents? Shenzhen Zhongnuo Testing Technology Co., Ltd. summarizes……

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Gas explosion-proof certification standards and dust explosion-proof certification standards

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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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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