China Ex Marking

Equipment certified under the China Ex certification system must carry clear explosion-proof markings to indicate its suitability for use in hazardous environments. These markings provide essential information for correct selection, installation, and safe operation.

Key Information Included in China Ex Marking

China Ex markings typically include the following details:

• Protection type (explosion protection concept)

• Gas or dust classification

• Temperature class

• Equipment protection level (EPL)

• Applicable hazardous area classification

Purpose of China Ex Marking

These markings help users and engineers quickly identify whether the equipment is suitable for specific hazardous locations. They also support safe installation, proper equipment selection, and compliance with China’s explosion-proof safety requirements.