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What qualifications are required for explosion-proof construction

What qualifications are required for explosion-proof construction? Of course, it is necessary to have the qualification for repairing explosion-proof electrical equipment, which should actually be called the "Qualification for Installation and Repair of Explosion proof Electrical Equipment". Explosion proof e……

What kind of certification does MA certification belong to

What certification does MA certification belong to? MA is the coal safety mark, and MA certification is also known as coal safety certification (Mei An). It is applicable to various equipment and products used underground in coal mines and is a mandatory certification. The National Safety Standards Center is responsibl……

Do smart safety helmets used in coal mines require coal safety certification?

Coal Mine Logo Certification (abbreviated asMA、KACertification is a mandatory certification implemented by the National Coal Mine Safety Mark Office for underground coal mine supplies. All products listed in the mining product safety certification catalog

Which regulation does the three-year explosion-proof testing come from?

Which regulation does the three-year explosion-proof testing come from? With the increasing popularity of explosion-proof electrical appliances, many explosive hazardous areas have installed and used explosion-proof electrical appliances. Many end users believe that as long as explosion-proof electrical appliances are ……

Validity issue of ATEX certification certificate

Explosion proof certificate: a document used to determine whether the equipment meets the requirements of the standard, undergoes type testing, and adapts to routine testing. The certificate can be for Ex devices or Ex components. At present, the validity period of the domestic explosion-proof certificate is 5 years fr……

Tianjin Explosion proof Electrical Testing and Inspection Center

The Tianjin Explosion proof Electrical Testing and Inspection Center PCEC was established in 1985 with the approval of the former Ministry of Chemical Industry. It includes the Zhongnuo Testing National Explosion proof Product Quality Supervision and Inspection Center (Tianjin), the Petroleum and Chemical Industry Elec……

Are CE certification and ATEX certification the same?

The relationship between ATEX and CE ATEX certification is the EU explosion-proof certification, which has a wide international reputation. Explosion proof products entering the EU market require ATEX certification, which is a mandatory requirement. ATEX certification is the explosion-proof directive in the EU CE certi……

Can ATEX certificates be used directly in China?

Is ATEX certification recognized domestically? ATEX certification applies to all member states of the European Union, but cannot be used as a license for the sale of explosion-proof products in China. China has its own explosion-proof certification system, and explosion-proof products sold domestically need to pass Chi……

Shanghai Explosion proof Electrical Inspection and Testing Center

The Shanghai Explosion proof Electrical Inspection and Testing Center, a professional explosion-proof certification organization, and the National Instrumentation Explosion proof Safety Supervision and Inspection Station (NEPSI), are international explosion-proof laboratories recognized by the International Electrotech……

Selection principles for explosion-proof electrical equipment in explosive locations

Before selecting electrical equipment for use in explosive hazardous areas, the following should be clarified: 1. The category of the environment in the explosive hazardous area, whether it is an explosive gas environment or an explosive dust environment. The explosion-proof structural requirements for electrical equip……