The Ex marking can be regarded as the ID card of an explosion-proof device. Through the Ex marking, users and installers can quickly obtain information such as the type of explosion protection, applicable gas/dust category, and temperature class of the explosion-proof product. This helps avoid mismatches such as installing gas explosion-proof products in dust environments or mounting "n" type products in Zone 1 hazardous areas, thus ensuring that the explosion-proof product is matched with the hazardous locations from the selection stage.
To obtain Ex certification for a product, it is necessary to determine the product’s Ex marking based on its on-site operating conditions—such as whether the site is a gas or dust environment, the types of explosive substances involved, and the explosion-proof zone where the device will be installed. This is of great reference significance for the explosion-proof design of the product.
If you happen to want your equipment to obtain Ex certification and enter the explosion protection market, feel free to contact us directly! STS has been deeply engaged in the explosion protection field for many years. We are well-versed in the technical requirements of explosion protection standards including GB/T 3836 and EN/IEC 60079, and provide one-stop explosion protection technical solutions covering explosion-proof product modification, design guidance, and certification acquisition.
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