All 3-phase MVE external electric vibrators from size 20 to 90 by Oli Vibrators are certified to comply with ATEX II 2 G, D by the International Electrotechnical Commission for Explosive Atmospheres IECEx. In particular, this means 21 D category for dusty environment, or 1 G for gaseous environment.
All vibrators for gaseous environments are marked Ex e II T3, while those for dusty environments are marked Ex tD A21 T150Â°C IP66.
It should be underlined that the IECEx certification is considered the most prestigious certification worldwide as it is an associated certificate by all the major national standards. In other words, the US’ UL, the Canadian CSA, the British BASEEFA and the German TÃœV among many others certify under the IECEx rules.