Services from DNV Services from DNV Find our servicesSearchLimit toClear filterPlease enter a search criteriaATEX 153 ‘Worker Protection Directive’ 99/92/EC (also known as ATEX 137)ATEX & IECEx Certification for Mechanical Equipment (Non-Electrical Equipment) ATEX 153 ‘Worker Protection Directive’ 99/92/EC (also known as ATEX 137)Verification & Certification of Assemblies of Hazardous Area Equipment