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fi cations with respect to the explosion protection requirements. With ATEX Directive 2014/34/EU (previously 94/9/EC The ATEX Directive 99/92/EC, on the other hand, defines minimum health and safety requirements for workplaces with a potentially explosive atmosphere; in particular, it divides the workplaces into zones according to the probability of having ATEX Hazardous Zone equipment protection concepts Posted on January 17, 2017 The ATEX directive controls the manufacturing and import of electrical equipment used in hazardous zone. Hazardous zone are areas with the presence of flammable gases, vapors and liquids in sufficient quantities to cause an explosion or fire. THE ESTA ATEX PROGRAMME AND FIRE PROTECTION CONCEPT - FOR A SAFE WORKPLACE There is a risk of fire and explosion in all industrial installation s in which flammable and explosive dusts occur. Frequently the mistake is made of considering and evaluating the two terms " fire hazard " and " explosion hazard " together. For current ATEX/IECEx equipment markings the protection concepts are: ATEX – II 1 G where: Equipment Group II is for use in all other areas other than mines. Category 1 for use Zones 0, 1 and 2 for gases/vapours.
in normal operation. Protection methods. Protection Symbol Marking. Protection concept.
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FOR NON-ELECTRICAL ATEX and IECEx equipment/component certification Protection Concept. ATEX Coding.
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At international level the equipment protection level (EPL) was introduced by IEC 60079 in 2007. Equipment should be designed with explosion protection meas- ures of varying degrees according to its category or equipment protection level.
Control panels built for use in hazardous areas have to be designed to meet the specific risks of the installation site. Panel builders need both a sound understanding of the safety principles and expertise based on broad experience.
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The protection concept is "d" which is flameproof, the gas group is IIC and the maximum allowable temperature is 200°C. Zone ATEX Category IEC Protection Level Zone 0 1 a Zone 1 2 b Zone 2 3 c ATEX Categories and IEC Protection Levels according to Hazardous Area Zone The same, but different Ex nL and Ex ic share many underpinning principles for the explosion protection of low-power electrical apparatus. They are both based on the concept of energy-limitation, ATEX Certification Definitions 1 Dalton Way, Midpoint 18, Middlewich, Cheshire CW10 0HU. United Kingdom Tel +44 (0)845 277 5000 Fax +44 (0)845 277 4000 Email info@extronics.com Ingress Protection 1st Numerical Protection against Solid Bodies 2nd Numerical Protection against Liquid 0 No protection 0 No protection Explosion protection safety concept for use in mechanical vacuum pump systems in secondary metallurgy steel degassing processes TodayÕs international standards for mechanical vacuum systems are based on the latest generation Roots-type vacuum pumps and dry screw-type vacuum pumps.
The table below lists the types of protection methods and basic concepts of protection according to ATEX and IECEx standards for electrical equipment that is to be operated or installed in hazardous areas. The matrix is constructed to enable the fast cross referencing of protection concepts for zones and related
ATEX 94/9/EC (also ATEX 100a) and ATEX 99/92/EC (also ATEX 137). The ATEX Directive 94/9/EC sets out the Essential Safety Requirements for products and protective systems intended for use in potentially explosive atmospheres and the respective conformity assessment procedures. The ATEX Directive 99/92/EC, on the other hand, defines minimum
The new ATEX directive 2014; Ex protection concepts.
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Where equipment is rated for use in more than one ATEX Group, there will be an Explosion Classification for each. Protection Concepts: 0: In which an explosive gas/air mixture is continuously present for long periods: Exia or Exs: 1: In which an explosive gas/air mixture is likely to occur in normal operation. Exd. Exe, Exib, Exp, Exia, Exs: 2: In which an explosive gas/air mixture is not likely to occur in normal operation. All concepts suitable for Zone Se hela listan på lgmproducts.com Protection Levels (EPL’s) are the IEC’s equivalent of the Levels of Protection ATEX categories.
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Thesis work Truck brake concept for 20 ton their B.Sc. Thesis work, ATEX godkännande av positioner (2004). Protection, IP65. Ström ut, 2 utgångar. Relays, 4 reläkontakter. Sensor inputs, pH/O2/kond./induktiv kond. ISM, ja.