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防爆認證等級IIB和IIC的區別

防爆認證等級IIB和IIC是防爆電氣設備在易燃易爆氣體環境中的分類，它們之間存在一些關鍵區別。 首先，IIB和IIC都屬于II類防爆設備，這類設備適用于除煤礦外的其他易燃易爆氣體環境，如石油化工、天然氣等行業常見的可燃氣體和蒸汽環境。對于這類設備，根據易燃易爆氣體的特性會進一步細分為不同的組別，如IIA、IIB、……

防爆設備需要什么防爆證書？

在國內，防爆設備需要的防爆證書主要包括防爆合格證、防爆3C證書和煤安認證證書。 （1）對于防爆3C目錄內的產品，比如電機、風機、對講機等，需要辦理防爆3C認證證書。這個認證采取“產品檢測+工廠評審”的方式，要求申請人有生產工廠或者OEM/ODM工廠。 （2）對于防爆3C認證目錄之外的防爆產品，且用在非礦用的……

Explosion proof electrical testing qualification

Regarding explosion-proof electrical testing qualifications, this usually involves two main aspects: product certification and on-site testing. 1. Product certification: (1) Newly launched products in the market need to undergo relevant tests in accordance with the requirements of the GB/T 3836 series standards. (2) Af……

What are the types of explosion-proof certifications?

Explosion proof certification can be mainly divided into the following types: 1. Explosion proof 3C certification: This is a mandatory product certification for some explosion-proof electrical equipment. Starting from October 1st, 2009, the system included this part of explosion-proof electrical equipment in the CCC ce……

What is the difference between gas and dust explosion-proof certification？

In explosion-proof certification, gases are divided into IIA, IIB, and IIC, and dust is divided into IIIA, IIIB, and IIIC. Their characteristics and environments are different, and the explosion-proof protection measures taken for equipment are also different. The two cannot be mixed. Of course, some products can be us……

AQ 3009-2007 Safety Code for Electrical Explosion Protection in Hazardous Areas

AQ 3009-2007 is the "Code for Electrical Explosion Protection in Hazardous Areas" and belongs to the production industry standard. This standard applies to the explosion-proof requirements of electrical equipment in hazardous areas, aiming to ensure their use in flammable and explosive environments.

What is the relationship between Ex certification and Ex 3C certification?

Equipment used in flammable and explosive places in China must undergo explosion-proof certification and pass the testing requirements of the GB/T3836 series standards before it can be put into use. Explosion proof certification is a broad concept, which refers to the process of obtaining an explosion-proof certificate……

Is ATEX certification required for exporting explosion-proof products to the European Union?

ATEX is an explosion-proof directive certified by the EU CE, with the directive code 2014/34/EU and the certification standard EN60079, applicable to the EU region. The ATEX directive is a mandatory directive, and explosion-proof equipment entering the EU market must comply with the requirements of the ATEX directive's……

What are the classifications of explosion-proof certification?

Explosion proof certification is a product certification for use in places with sexual gases and dust. The measures taken by the product to achieve explosion protection involve many types of explosion protection. Common types include intrinsic safety type, explosion-proof type, positive pressure type, increased safety ……

What is MA Certification? How can enterprises apply for MA certification?

In terms of product testing, it is required that the product meets the requirements of coal safety standards. For example, electrical products need to consider that the gas environment in coal mines must meet explosion-proof standards, while also meeting the requirements of product performance standards. The factory re……