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Requirements for the Nameplate of Ex Equipment

The explosion-proof nameplate serves as the ID card and simplified instruction manual for explosion-proof electrical equipment. It includes the product name, product model, electrical parameters, explosion-proof mark, explosion-proof certificate number, m

What do Ga, Gb and Gc mean in explosion-proof markings?

Ga, Gb and Gc are protection classes applied to equipment for use in explosive gas atmospheres, and they constitute an indispensable part of explosion-proof equipment markings. ※ Ga: Equipment for use in explosive gas atmospheres with a "very high

List of China's Ex Certificate-Issuing Institutions

An Explosion-Proof Certificate is a certification issued for equipment used in flammable and explosive hazardous locations, complying with the GB/T 3836 series of standards. The application process for an Explosion-Proof Certificate by enterprises is r

What are the differences between Ex i certification and Ex certification?

防爆認證是指對使用于易燃易爆場所的設備和產品的一種產品認證。產品要滿足防爆認證標準的要求就必須采取一定的措施去實現，我們稱之為防爆保護型式。目前常見的防爆保護型式有本安型、隔爆型、正壓型、增安型等等。 而本安認證指的是設備采取本安型的防爆保護型式去實現防爆性能，可見，本安僅僅是其中一種防爆保護型式。不同的防爆保護……

What are the differences between Ex i certification and MA certification?

Many customers are confused about the distinction between intrinsic safety certification and coal mine safety certification. Shenzhen STS Testing Technology Co., Ltd. (STS) will explain the two from the aspects of definition, application scenarios, and ce

What qualification certificates are required for explosion-proof construction?

The qualification certificate for the installation and maintenance of explosion-proof electrical equipment is highly useful for explosion-proof electrical construction. This certificate is one of the mandatory qualifications for companies engaged in the e

What do the Ex and MA marks on the certificate mean respectively?

Many customers are confused about the meanings of the Ex and MA marks. As a professional explosion-proof testing and certification institution, STS Testing (Shenzhen) Co., Ltd. will give a brief explanation to you. The Ex mark is an abbreviation of the

What are the differences between gas and dust Ex certification?

The so-called gas explosion-proof certification and dust explosion-proof certification are classified according to the applicable environments of the equipment. Equipment for use in various hazardous gas atmospheres undergoes gas explosion-proof certif

What are the categories of Excertification?

Explosion-proof certification can be mainly divided into the following categories: 1. Compulsory Explosion-proof Certification (CCC-Ex) This is a mandatory product certification for certain types of explosion-proof electrical equipment. Starting fro

How to apply for MA Marking?

MA Certification is a mandatory product certification for equipment and products used in underground coal mines, adopting the mode of "product testing + factory inspection". It requires not only testing the applied products but also conductin