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The processing, transport and storage of flammable materials in the form of dust generates an explosion risk due to the possibility of initiating potentially explosive atmospheres created by dust suspended in air with various ignition sources, some of which may be their own installations. As explosions can cause human casualties and severe property damage, the explosion risk assessment and the application of appropriate measures by manufacturers and users of installations to prevent the ignition of explosive atmos...

Non-electrical equipment has been used for over 150 years in industries in which likely to occur a potentially explosive atmospheres and a great deal of experience has been gained in the application of protective measures for reducing the risk of ignition of such atmospheres to an acceptably safety level. For using non-electrical equipment in potentially explosive atmospheres, it became necessary to produce ignition protection concept standards which clearly defined these protective measures and incorporated the e...