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What should be noted in the design of explosion-proof enclosures?

According to the requirements of national standards GB3836 and GB12476, the explosion-proof enclosure of explosion-proof electrical equipment must meet the following four design requirements: 1. For explosion-proof enclosures, the enclosure of dust explosion-proof electrical equipment must meet two types of requirement……

Which organization can handle explosion-proof 3C certification and 3C factory audit guidance?

The background of explosion-proof 3C certification is CCC certification, which is also known as "China Compulsory Certification" in English, abbreviated as CCC. It is a product qualification assessment system implemented in accordance with laws and regulations in China to protect consumer personal safety and ……

Do I need to apply for both the explosion-proof certificate and the explosion-proof CCC certification at the same time?

Both explosion-proof certificate and explosion-proof CCC certification are certification requirements for explosion-proof equipment. Whether to apply for explosion-proof certificate or explosion-proof CCC certification mainly depends on the product category. Simply put, it depends on whether your product is included in……

How to check the authenticity of the "Qualification Certificate for Installation, Maintenance and Repair of Explosion proof Electrical Equipment"?

The explosion-proof electrical installation, testing and maintenance qualification certificate is one of the essential qualifications for companies engaged in the explosion-proof electrical construction industry. As a professional agency for explosion-proof electrical installation, testing and maintenance qualification……

The GB3836-2021 domestic explosion-proof certification standard has been released!

As a professional explosion-proof certification agency, Zhongnuo Testing always stays at the forefront of explosion-proof certification standards and understands the latest explosion-proof certification information! Well, the latest explosion-proof certification standard GB3836-2021 has been released! The next step is ……

What is explosion-proof certification? What are the classifications of explosion-proof certification?

From the perspective of explosion-proof types, they can be classified into intrinsic safety type, explosion-proof type, sealed type, etc; From the perspective of applicable locations, it can be divided into gas explosion-proof certification, dust explosion-proof certification, and mining explosion-proof certification; ……

What are the explosion-proof certification agencies? Which one is the most authoritative?

The country conducts strict and rigorous assessments on the authorization of explosion-proof certification agencies. Not only does the CNAS qualification assessment apply to Nanyang CNEX, Shanghai NEPSI, and Tianjin PCEC, but also to emerging explosion-proof certification institutions such as Shenchuan Institute, Beiji……

Which organizations can do explosion-proof certification quickly?

Doing explosion-proof certification is actually a matter of mutual cooperation between institutions and enterprises. If the customer does not provide drawings and information in a timely manner, or if the product testing fails, it will delay the process. Moreover, institutions are not just one client. Of course, if the……

How to obtain an explosion-proof certificate and which units issue it?

The authorization of explosion-proof certificate issuing agencies by the state has undergone strict and rigorous assessments. Not only does the CNAS qualification assessment apply to Nanyang CNEX, Shanghai NEPSI, and Tianjin PCEC, but also to emerging explosion-proof certification institutions such as Shenchuan Institu……

Basic knowledge of explosion-proof stuffing box

Explosion proof stuffing boxes are widely used for sealing cables in explosion-proof electrical products, commonly including stuffing type cable entry devices and stuffing type conduit sealing devices. The filler type cable entry device is generally installed at the connection between the cable port and the explosion-p……