Expo holds IECEx & ATEX Certificates to IEC/EN 60079-0 & 60079-2, Zone 1 (Ex px) and Zpne 2 (Ex pz) for the completed Expo Purge & Pressurized Enclosures.
Certifications also included for hazardous dust application for Zone 21 & 22, Ex pD.
The construction and power dissipation of the internal components are critical to ensure effective purging, compliance with Temperature Rating and Safe Operation. Therefore all internal components and details of the PE must be reviewed by Expo to determine compliance with the Certificate "Schedule of Limitations: (SoL) required for the certificate to apply. Thereafter the final installation is to be verified by Expo.