What are the current explosion-proof certification modes in China?

Explosion proof certification is the process of determining that equipment meets the requirements of explosion proof standards, conducting type tests and routine tests, and issuing relevant certificates of conformity. The certificate can be specific to Ex equipment or Ex components. countryExplosion proof standardGB3836 states that manufacturers follow the specialized explosion-proof type standards listed in GB3836Zhongnuo TestingThe electrical equipment under trial production must be sent to the nationally authorized quality supervision and inspection agency for explosion-proof inspection in accordance with corresponding standards and regulations, and obtain an explosion-proof qualification certificate. This means that explosion-proof products must obtain relevant explosion-proof certification.

At present, there are three types of explosion-proof certification modes in China:

1. Explosion proof certificate system

Applicable products: Electrical equipment and non electrical equipment (explosion-proof) used in non underground areas with explosive gases and dust3cExcluding product catalogs)

Certification mode: Product testing

Certification certificate: Explosion proof certificate

Certification standards:GB3836/GB12476/GB25286Series standards

Certificate validity period:5year

Annual review: None

Certification agencies: There are more than ten qualified explosion-proof certification agencies in China, such as NanyangCQSTShanghaiNEPSIShen Chuan Institute, Jiamusi Institute, Guangzhou Special Inspection Institute, Coal Science Institute, etc.

2. Explosion proof 3C certification system

Applicable product: Explosion proof3cElectrical equipment in the catalog

Certification mode: Type test Factory review

Certification certificate:CCCcertificate

Certification standards:GB3836/GB12476Series standards

Certificate validity period:5year

Annual review: Annual review

Issuing institution: Currently, there are6Home explosion-proofCCCThe issuing agencies are NanyangCQST,ShanghaiNEPSITianjinPCEC,CQC,CQMJiamusi Institute.

3. Coal safety/mine safety certification system.

Applicable products: various electrical and non electrical equipment used in coal mines and non coal mine underground

Certification mode: Type test Factory review

Certification standards:GB3836/GB12476Series standards and mining equipment industry standards

Certification Certificate: Mining Product Safety Mark Certificate

Certificate validity period:5year

Annual review: Annual review

Issuing institution: National Safety Standards Center

Shenzhen Zhongnuo Testing Technology Co., Ltd., as a professional explosion-proof certification and coal safety certification institution in China, has provided various product certification services for customers, including intelligent safety helmets, sensors, transmitters, etcAGVCar, handheld terminal, walkie talkie, combination product, lever mounted refueling device, gas detector, smart braceletRFIDWe have rich experience in explosion-proof design and certification for products such as labels and dust removal equipment, and are familiar with the standards and processes of the factory's explosion-proof production review system, providing strong support for the rapid certification of explosion-proof products for enterprises.

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