What is the meaning of MA and KA marking?

We often see the MA or KA logos on the Mineral Product Safety Mark Certificates issued by the National Mine Safety Approval Center. What do these logos mean? MA (Mei An) Issuing and Supervising Authority: China National Administration for Mine Safet

Is a production factory required to apply for Ex certification?

When inquiring about applying for explosion-proof certification, many clients ask whether it is necessary to have a production factory to apply for it, and whether it can be processed through original equipment manufacturing (OEM) or original design manuf

Are Ex certification and Ex certificate the same thing?

This is a common question raised by many enterprise customers consulting about explosion-proof certification. Here, STS provides a brief introduction: Explosion-proof Certification is a technical certification activity that verifies whether equipmen

What does the Ex marking mean, and how to obtain the Ex marking?

We often see a red Ex mark on explosion-proof equipment. Ex is actually the abbreviation of Explosion-proof, meaning explosion-proof. Ex certification refers to explosion-proof certification. It is the work of verifying that equipment complies with the

Requirements for the metal wall thickness around blind holes in flameproof enclosures

A blind hole refers to a hole that is open on one side and closed on the other, commonly used for component connection or positioning. On a flameproof enclosure for flameproof explosion-proof equipment, a blind hole specifically refers to a threaded ho

Analysis on the Application of ATEX Certification in China

众所周知，ATEX是欧盟CE认证其中的一个指令，防爆指令2014/34/EU，是针对拟用于爆炸性场所的防爆设备和保护系统装置，属于强制性的认证，防爆产品进入欧盟市场的一个通行证，适用标准主要是EN60079系列，根据产品的类别有分7 种认证模式。但是，ATEX认证仅适用于欧盟国家和地区，或者一些被欧盟国家殖民过的中东、……

Why need a Ex certification for Ex products?

Explosion-proof certification refers to the process of verifying that equipment complies with explosion-proof standards, which involves type tests and the issuance of corresponding conformity certificates. It primarily applies to Ex equipment or Ex compon

Is a flameproof equipment (Ex d equipment) allowed to be constructed from plastic materials?

A flameproof enclosure is capable of withstanding an internal explosion of flammable mixtures that penetrate into the enclosure through any joint surface or structural gap of the enclosure without being damaged, and it will not ignite the external explosi

What are the differences between ATEX certification and IECEx certification?

ATEX certification is a mandatory certification for explosion-proof products issued by the European Union. It is an explosion-proof directive within the framework of CE certification, with the directive code 2014/34/EU. The certification standard is EN600

What are the requirements for the intrinsic safety Ex design and certification?

The standard requirements for intrinsic safety design mainly refer to the two national standards: GB/T 3836.1 and GB/T 3836.4. GB/T 3836.1 is the general requirement for equipment used in explosive atmospheres, which stipulates the general safety requi