国产偷v国产偷v亚洲张丽_五月亚洲丁香_a免费在线观看_欧美日本成人_丝袜中出制服人妻美腿_婷婷好紧好多水国产好硬_九九热精品在线播放_97超级在线人妻资讯_日韩精品视频观看_中文字幕无码笫一页

Can communication cables undergo explosion-proof certification?

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. The equipment here includes: (1) Equ……

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 China's explosion-proof certification instead of A……

Dust Explosion Prevention Technology: Anti explosion and Explosion Relief

In recent years, dust explosions have mostly occurred in industries such as metallurgy, automobile manufacturing, military industry, coal, textiles, grain, and food and medicine. According to statistics, there is at least one dust explosion accident occurring on average every day worldwide. The Kunshan Zhongrong explos……

Basic standards for applying for ATEX certification for thermistors

What certification is required for ATEX and ATEX explosion-proof certification for exporting thermocouples to the European market for explosive environments? We know that products entering the EU market generally require CE certification. There are many directives under CE certification, such as LVD, EMC, mechanical di……

What are the EN60079 standards available?

ATEX certification (Directive 2014/34/EU) On March 23, 1994, the European Commission adopted the Directive "Equipment and Protection Systems for Potential Explosive Environments" (94/9/EC). This directive covers both mine and non mine equipment, and unlike previous directives, it includes mechanical and elect……

How to renew the domestic explosion-proof certificate when it expires?

Does the domestic explosion-proof certificate have a validity period? How many years is the validity period? End users of explosion-proof electrical products often face such problems. In fact, explosion-proof certificates have a validity period. Currently, the validity period of domestic explosion-proof certificates is……

Can the IECEx certificate be directly converted into a domestic explosion-proof certificate?

The full name of IECEx organization is the organizational system of the International Electrotechnical Commission for the certification of electrical equipment for explosive environments. The full English name is IEC Scheme for Certification to Standards for Electrical Equipment for Explosive Atmospheres, abbreviated a……

Where can I apply for the ATEX certification certificate for pipeline robots?

How to apply for ATEX certificate for pipeline robots? Currently, only EU NB institutions are qualified to issue ATEX certificates. Domestic enterprises can apply for ATEX certificates through domestic agencies. 1. The required documents for applying for ATEX certification include: (1) ATEX certification application fo……

How to check the authenticity of the explosion-proof certificate?

When users purchase and choose explosion-proof electrical equipment, they will choose manufacturers or distributors with explosion-proof certificates. So, as consumers, how can users check whether the explosion-proof certificate is true and valid? At present, there are more than ten nationally recognized certification ……

What does the explosion-proof symbol Ex d IIC T6 Gb mean?

On formal explosion-proof electrical equipment, there will be an Ex mark, and each explosion-proof electrical equipment will have a unique explosion-proof mark. Taking the following explosion-proof mark as an example: Note 1: Ex is the explosion-proof mark of China and the International Electrotechnical Commission, ind……