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EN 14460:2018

Explosion resistant equipment

Edition date: 2018-01-31
In Force
Summary: La présente Norme européenne spécifie les exigences applicables aux appareils résistants à l'explosion qui devront supporter une explosion intérieure sans rompre et sans engendrer d'effets dangereux pour le milieu environnant. Elle s'applique aux appareils (enceintes et systèmes) dans lesquels les explosions sont considérées comme un cas de charge accidentelle. Il existe deux types d'appareils résistants à l'explosion : les appareils résistants à la pression d'explosion et les appareils résistants au choc de pression de l'explosion (voir Figure 1). Un appareil résistant à la pression d'explosion est conçu pour supporter la pression d'explosion sans déformation permanente et sans engendrer d'effets dangereux pour le milieu environnant. La conception et les méthodes de calcul des appareils résistants à la pression d'explosion étant similaires à celles décrites dans l'EN 13445-1 à -6, « Récipients sous pression non soumis à la flamme », elles ne sont pas reprises dans la présente norme. Pour les appareils résistants au choc de pression de l'explosion, une déformation permanente est admise à condition que l'appareil n'engendre pas d'effets dangereux pour le milieu environnant. Cette conception a été développée spécialement à des fins de protection contre l'explosion. La présente norme est axée sur les exigences applicables aux appareils résistants au choc de pression de l'explosion. La présente norme concerne les atmosphères dont la pression absolue est comprise entre 800 mbar et 1 100 mbar et la température entre −20 °C et + 60 °C. Il est possible de s’aider de la présente norme lors de la conception, de la construction, des essais et du marquage d’appareils destinés à être utilisés dans des atmosphères dont les caractéristiques sont différentes de celles citées ci-dessus et ce, tant que le sujet ne fait pas l’objet de normes spécifiques. La présente norme s’applique aux appareils et combinaisons d’appareils dans lesquels peut se produire une déflagration et n’est pas applicable aux appareils et combinaisons d’appareils dans lesquels peuvent se produire des détonations. Dans ce cas, des critères de conception différents, non traités dans la présente norme, sont applicables pour la résistance à l'explosion requise. Elle ne s’applique pas aux appareils conçus selon un type de protection par enveloppe antidéflagrante « d » (EN 13463 -3 ou EN 60079 -1). La présente norme ne s'applique pas aux situations en mer (offshore). La présente norme s’applique uniquement aux appareils dans lesquels des matériaux métalliques assurent la résistance à l’explosion. La présente norme ne traite pas du risque d'incendie associé aux explosions, aux matériaux traités ou aux matériaux utilisés pour la construction.

This European Standard specifies requirements for explosion resistant equipment which will be able to withstand an internal explosion without rupturing and will not give rise to dangerous effects to the surroundings. It is applicable to equipment (vessels and systems) where explosions are considered to be an exceptional load case. There are two types of explosion resistant equipment: explosion pressure resistant and explosion pressure shock-resistant equipment (see Figure 1). (...) Explosion pressure resistant equipment is designed to withstand the explosion pressure without permanent deformation and will not give rise to dangerous effects to the surroundings. Since the design and calculation methods for explosion pressure resistant equipment are similar to those described in EN 13445-1 to -6 "Unfired pressure vessels" they are not repeated in this standard. For explosion pressure shock resistant equipment permanent deformation is allowed provided the equipment will not give rise to dangerous effects to the surroundings. This design has been developed especially for explosion protection purposes. This standard focusses on the requirements for explosion pressure shock resistant equipment. This standard is valid for atmospheres having absolute pressures ranging from 800 mbar to 1 100 mbar and temperatures ranging from −20 °C to +60 °C. This standard may also be helpful for the design, construction, testing and marking of equipment intended for use in atmospheres outside the validity range stated above, as far as this subject is not covered by specific standards. This standard applies to equipment and combinations of equipment where deflagrations may occur and is not applicable to equipment and combination of equipment where detonations may occur. In this case, different design criteria for the required explosion resistance are applicable which are not covered by this standard. It is not applicable to equipment which is designed according to type of protection, flameproof enclosures "d" (EN 13463-3 or EN 60079-1). This standard does not apply to offshore situations. This standard is only applicable for equipment where metallic materials provide the explosion resistance. This standard does not cover fire risk associated with the explosions, neither with the materials processed nor with the materials used for construction.

Diese Europäische Norm legt die Anforderungen an explosionsfeste Geräte fest, die einer im Innern erfolgenden Explosion standhalten werden, ohne zu bersten und ohne gefährliche Auswirkungen auf die Umgebung hervorzurufen. Sie ist auf Geräte (Behälter und Systeme) anwendbar, bei denen Explosionen eine außergewöhnliche Belastung darstellen. Es gibt zwei Arten explosionsfester Geräte: explosionsdruckfeste und explosionsdruckstoßfeste Geräte (siehe Bild 1). Explosionsdruckfeste Geräte sind so gebaut, dass sie dem Explosionsdruck standhalten, ohne sich bleibend zu verformen und ohne gefährliche Auswirkungen auf die Umgebung hervorzurufen. Da die Auslegungs- und Berechnungsverfahren explosionsdruckfester Geräte den in EN 13445 Teil 1 bis 6 "Unbefeuerte Druckbehälter" beschriebenen ähnlich sind, werden sie in dieser Norm nicht erneut aufgeführt. Bei explosionsdruckstoßfesten Geräten ist eine dauerhafte Verformung zulässig, sofern diese Geräte keine gefährlichen Auswirkungen auf die Umgebung hervorrufen. Diese Bauweise wurde speziell für Explosionsschutzzwecke entwickelt. Diese Norm stellt die Anforderungen an explosionsdruckstoßfeste Geräte in den Mittelpunkt. Diese Norm gilt für Atmosphären mit Absolutdrücken im Bereich von 800 mbar bis 1 100 mbar und Temperaturen im Bereich von −20 °C bis +60 °C. Diese Norm kann auch für die Auslegung, Konstruktion, Prüfung und Kennzeichnung von Geräten von Nutzen sein, die für Atmosphären außerhalb des oben festgelegten Anwendungsbereiches vorgesehen sind, sofern dieses Thema nicht durch spezifische Normen abgedeckt ist. Diese Norm ist auf Geräte und Gerätekombinationen anwendbar, in denen sich Deflagrationen ereignen können. Sie ist nicht auf Geräte und Gerätekombinationen anwendbar, in denen Detonationen vorkommen können. In solchen Fällen sind für die erforderliche Explosionsfestigkeit andere Auslegungskriterien anwendbar, die in dieser Norm nicht behandelt werden. Sie ist nicht anwendbar auf Geräte, die nach der Zündschutzart "Druckfeste Kapselung" "d" (EN 13463-3 oder EN 60079-1) konstruiert sind. Diese Norm gilt nicht für Offshore-Anwendungen. Diese Norm ist nur auf Geräte anwendbar, deren Explosionsfestigkeit durch die Verwendung metallischer Werkstoffe erreicht wird. Diese Norm behandelt nicht die mit den Explosionen einhergehende Brandgefahr, weder bezüglich der verarbeiteten noch der für die Konstruktion verwendeten Werkstoffe.

ICS: 29.260.20-Electrical apparatus for explosive atmospheres, 13.230-Explosion protection
CTN: CEN/TC 305 - 6286

Reemplazo Normas

Reemplaza a EN 14460:2006

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