Explosion safe equipment for gases and vapors Directive 94/9/EC ATEX Ignition protection categories Safety principle Schematic description General requirements Pressurized encapsulation Transmission of explosion to outside is impossible Occasional occurrence Likely not to happen, if though only seldom or short term Classification of the gases and vapors Required marking of the usable equipment Explosion group Equipment group Equipment category Acetone Ammonia Methane Ethane Propane Ethyl alcohol Cyclohexan eN-Butane Gasoline Kerosene Heating oils n-Hexane Equipment protection level Gases and vapors (Examples) City gas Acryl nitrile Ethylene Ethylene oxide Ethylene glycol Hydrogen sulfide Notified body for certification of the EC type examination certificate Conditions in potentially explosive areas Occurrence Classification of the combustible of potentially substance in explosive area the Ex-area Code number of the notified body for certification of the QM-system Combustible substances Terminal boxes Avoidance of sparks and inadmissible temperatures Marking / Norm DC-motors Terminal boxes Increased safety Special conditions for use must be followed Ethyl ether Ex-equipment part with part certificate not usable standalone; Equipment may be used without restrictions CE-conformity is certified when integrated in complete equipment Temperature classes, maximum allowable surface temperature Explosion group IIB includes explosion group IIA Explosion group IIC includes explosion group IIB and IIA. ATTENTION! Motors of equipment category 3G are manufactured according to guide line 94/9/EC on the manufacturer’s own responsibility. There is no certification issued for these motors by a notified body. The compliance with guide line 94/9/EC is confirmed by the manufacturer’s declaration of conformity. The information is an excerpt from the valid technical standards and regulations as of today. M0100/01.04.2011/Rev.6 Dipl.-Ing. Wilhelm Winkelmann GmbH & Co. KG Im Neuen Felde 88-90 29525 Uelzen / Germany Kommanditgesellschaft Sitz Uelzen Amtsgericht Lüneburg, HRA 120222 persönlich haftende Gesellschafterin Elektromotorengesellschaft Uelzen GmbH Amtsgericht Lüneburg, HRB 120407 e-mail: [email protected] Internet: www.w-winkelmann.com FA Uelzen: St.-Nr. 47/200/13308 USt-IdNr. DE116678925