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What are the standards for testing and certification of explosion-proof electrical equipment?

This also depends on whether it is on-site equipment testing or product testing. If the testing of equipment used in hazardous areas is in accordance with AQ3009-2007 "Electrical Safety and Explosion Protection Code for Hazardous Areas", the testing cycle shall not exceed 3 years. If it is product testing, it……

In which fields can explosion-proof certification be widely applied

With the continuous improvement of people's awareness of safety production, explosion-proof certification technology has been widely applied in the production and processing of more and more industries such as chemical, petroleum and petrochemical, coatings, pharmaceuticals, food, and dangerous goods logistics. Why? Th……

The significance of explosion-proof certification and some knowledge of certification

In fact, explosion-proof certification is a necessary test that most electrical products must pass and obtain certification certificates. This is not only a guarantee and promotion of product quality, but also makes customers feel more confident when using it. The country also has strict standards for explosion-proof c……

What are the requirements for complete explosion-proof certification of combination products?

With the increasing emphasis on industrial safety, more and more ordinary industrial products are improving explosion-proof products. Ordinary products meet explosion-proof standards and must undergo explosion-proof rectification and obtain explosion-proof certification. The combination of complete sets of equipment is……

What technical misconceptions should be noted in explosion-proof certification

In explosion-proof certification technology, many people are unable to distinguish concepts such as explosion-proof, fireproof, explosive areas, explosive substances, and types of electrical equipment. 1、 The concepts of fire prevention and explosion prevention are confused. 1. There are many types of explosions, which……

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

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. IP protection level requirements. For explosion-proof enclosures, the enclosure of dust explosion-proof electrical equipment ……

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

The background CCC certification for explosion-proof 3C certification is "China Compulsory Certification", abbreviated as CCC. It is a product qualification assessment system implemented in China in accordance with laws and regulations to protect the personal safety of consumers and national security, strengt……

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

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

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

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

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

As a professional explosion-proof certification agency, Zhongnuo Testing always strives to stay at the forefront of explosion-proof certification standards and stay informed of the latest explosion-proof certification information! No, the latest explosion-proof certification standard GB3836-2021 has been released! The ……