This directive sets up the rules for putting products into circulation which are used in potentially explosive atmospheres or contain explosive atmospheres. The ATEX Directive 2014/34/EU, also known as ATEX, is intended for the manufacturer resp. persons putting equipments, components, protection systems as well as safety, checking and control devices in potentially explosive atmospheres into circulation. Thereby the national regulations were given up in favour of a uniform and high safety standard. Following KTR couplings meet the requirements acc. to 2014/34/EU.
The certificates as well as the ATEX-brochure you can see and download here.