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防爆認(rèn)證等級(jí)IIB和IIC的區(qū)別

防爆認(rèn)證等級(jí)IIB和IIC是防爆電氣設(shè)備在易燃易爆氣體環(huán)境中的分類，它們之間存在一些關(guān)鍵區(qū)別。 首先，IIB和IIC都屬于II類防爆設(shè)備，這類設(shè)備適用于除煤礦外的其他易燃易爆氣體環(huán)境，如石油化工、天然氣等行業(yè)常見(jiàn)的可燃?xì)怏w和蒸汽環(huán)境。對(duì)于這類設(shè)備，根據(jù)易燃易爆氣體的特性會(huì)進(jìn)一步細(xì)分為不同的組別，如IIA、IIB、……

防爆設(shè)備需要什么防爆證書(shū)？

在國(guó)內(nèi)，防爆設(shè)備需要的防爆證書(shū)主要包括防爆合格證、防爆3C證書(shū)和煤安認(rèn)證證書(shū)。 （1）對(duì)于防爆3C目錄內(nèi)的產(chǎn)品，比如電機(jī)、風(fēng)機(jī)、對(duì)講機(jī)等，需要辦理防爆3C認(rèn)證證書(shū)。這個(gè)認(rèn)證采取“產(chǎn)品檢測(cè)+工廠評(píng)審”的方式，要求申請(qǐng)人有生產(chǎn)工廠或者OEM/ODM工廠。 （2）對(duì)于防爆3C認(rèn)證目錄之外的防爆產(chǎn)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……