{"id":27711,"date":"2026-01-20T11:41:33","date_gmt":"2026-01-20T10:41:33","guid":{"rendered":"https:\/\/www.airfal.com\/?p=27711"},"modified":"2026-01-28T20:46:43","modified_gmt":"2026-01-28T19:46:43","slug":"zones-atex-differences-et-comment-choisir-le-luminaire-adapte-a-chacune","status":"publish","type":"post","link":"https:\/\/www.airfal.com\/fr\/blog\/zones-atex-differences-et-comment-choisir-le-luminaire-adapte-a-chacune\/","title":{"rendered":"Zones ATEX: diff\u00e9rences entre les zones 0, 1, 2, 20, 21 et 22 et comment choisir le luminaire adapt\u00e9 \u00e0 chacune"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1177px;margin-left: calc(-7% \/ 2 );margin-right: calc(-7% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.255%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:3.255%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:3.255%;--awb-spacing-left-medium:3.255%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:3.255%;--awb-spacing-left-small:3.255%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\"><p>Toutes les zones d\u2019une installation industrielle ne pr\u00e9sentent pas le m\u00eame niveau de risque. Certaines sont soumises \u00e0 des conditions extr\u00eames o\u00f9 une simple \u00e9tincelle pourrait provoquer un accident majeur. C\u2019est dans ce contexte qu\u2019interviennent les <a href=\"https:\/\/www.airfal.com\/fr\/atex-safety\/informations-atex\/\"><strong>zones ATEX<\/strong><\/a>, une classification indispensable pour les professionnels travaillant dans des environnements contenant des gaz, des vapeurs ou des poussi\u00e8res combustibles.<\/p>\n<p>Choisir le <strong>luminaire appropri\u00e9<\/strong> ne rel\u00e8ve pas uniquement du respect de la r\u00e9glementation, mais aussi de la s\u00e9curit\u00e9 op\u00e9rationnelle, de la durabilit\u00e9 et de l\u2019efficacit\u00e9. Dans cet article, nous expliquons les diff\u00e9rences pratiques entre les zones ATEX les plus courantes (1, 2, 21 et 22), avec une br\u00e8ve r\u00e9f\u00e9rence aux zones 0 et 20, et nous vous aidons \u00e0 identifier le type d\u2019\u00e9clairage industriel ou de <a href=\"https:\/\/www.airfal.com\/fr\/atex-safety\/produits-atex\/\"><strong>luminaire ATEX<\/strong><\/a> requis dans chaque cas.<\/p>\n<h3>Qu\u2019est-ce que les zones ATEX et pourquoi sont-elles importantes?<\/h3>\n<p>Le r\u00e9glementation europ\u00e9enne ATEX (2014\/34\/UE) classe les espaces industriels o\u00f9 une atmosph\u00e8re explosive peut se former. Les zones sont d\u00e9finies en fonction du type de substance inflammable (gaz ou poussi\u00e8res) et de la fr\u00e9quence d\u2019apparition du risque:<\/p>\n<ul>\n<li><strong>Zones 0, 1, et 2<\/strong>: risque li\u00e9 aux gaz ou aux vapeurs<\/li>\n<li><strong>Zones 20, 21 et 22<\/strong>: risque li\u00e9 aux poussi\u00e8res combustibles<\/li>\n<\/ul>\n<p>Plus le num\u00e9ro de la zone est faible, plus la fr\u00e9quence du risque est \u00e9lev\u00e9e et plus le niveau de protection requis est exigeant. Dans chaque cas, l\u2019utilisation d\u2019un <strong>luminaire ATEX certifi\u00e9<\/strong>, adapt\u00e9 aux conditions de l\u2019environnement, est obligatoire.<\/p>\n<h4>Zones gaz: zones 0, 1 et 2<\/h4>\n<p><strong>Zone 0<\/strong>: Risque de pr\u00e9sence permanente d\u2019une atmosph\u00e8re explosive. C\u2019est le cas \u00e0 l\u2019int\u00e9rieur des r\u00e9acteurs, des canalisations ou des r\u00e9servoirs. Seuls des luminaires \u00e0 <strong>s\u00e9curit\u00e9 intrins\u00e8que<\/strong> (Ex ia) ou enti\u00e8rement encapsul\u00e9s, <strong>extr\u00eamement sp\u00e9cialis\u00e9s<\/strong>, sont autoris\u00e9s.<\/p>\n<p><strong>Zones 1<\/strong>: Risque fr\u00e9quent de pr\u00e9sence d\u2019une atmosph\u00e8re explosive en conditions normales de fonctionnement. Courante dans les raffineries, les stations \u2013 service, les zones de pompage ou les zones de process. On y utilise des <strong>projecteurs LED ATEX, des projecteurs antid\u00e9flagrants, des luminaires enveloppants IP66<\/strong> et des syst\u00e8mes avec protection Ex d ou Ex e.<\/p>\n<p><strong>Zone 2<\/strong>: Risque de pr\u00e9sence d\u2019une atmosph\u00e8re explosive peu fr\u00e9quent ou li\u00e9 \u00e0 des conditions anormales ou \u00e0 des d\u00e9faillances de l\u2019installation. Pr\u00e9sente dans les locaux techniques les zones logistiques ou de maintenance. On y installe des <strong>luminaires tubulaires ATEX<\/strong>, des <strong>projecteurs lin\u00e9aires<\/strong> ou des <strong>luminaires LED pour ateliers<\/strong>, toujours certifi\u00e9s pour atmosph\u00e8res explosives.<\/p>\n<h4>Zones poussi\u00e8res: zones 20, 21 et 22<\/h4>\n<p><strong>Zone 20:<\/strong> Risque permanent d\u00fb \u00e0 la pr\u00e9sence de poussi\u00e8res combustibles en suspension dans l\u2019air. Fr\u00e9quent dans les silos, les tr\u00e9mies ou les syst\u00e8mes ferm\u00e9s. Un <strong>\u00e9clairage encapsul\u00e9, IP6X, antid\u00e9flagrant<\/strong>, utilisant des mat\u00e9riaux r\u00e9sistants \u00e0 l\u2019accumulation de poussi\u00e8res est requis.<\/p>\n<p><strong>Zone 21:<\/strong> Risque fr\u00e9quent lors d\u2019op\u00e9rations telles que le m\u00e9lange, le broyage, le conditionnement ou le transport de poudres. On y utilise des <strong>luminaires LED ATEX \u00e9tanches<\/strong>, offrant une protection contre les poussi\u00e8res et l\u2019humidit\u00e9, compatibles avec le nettoyage \u00e0 haute pression.<\/p>\n<p><strong>Zone 22:<\/strong> Risque occasionnel. Pr\u00e9sente dans les usines de conditionnement, les laboratoires, les locaux auxiliaires ou les entrep\u00f4ts logistiques. Les solutions les plus courantes sont <strong>les luminaires IP66, les \u00e9clairages pour ateliers industriels, les projecteurs pour poussi\u00e8res fines ou les lampes portables ATEX pour la maintenance.<\/strong><\/p>\n<h3>Crit\u00e8res techniques cl\u00e9s pour choisir le bon luminaire ATEX<\/h3>\n<p>Au-del\u00e0 de la classification ATEX, plusieurs \u00e9l\u00e9ments doivent \u00eatre pris en compte:<\/p>\n<ul>\n<li><strong>Temp\u00e9rature ambiante:<\/strong> dans les proc\u00e9d\u00e9s thermiques ou frigorifiques, des luminaires adapt\u00e9s aux hautes ou basses temp\u00e9ratures sont n\u00e9cessaires.<\/li>\n<li><strong>Fr\u00e9quence de nettoyage:<\/strong> des secteurs comme l\u2019agroalimentaire ou la cosm\u00e9tique requi\u00e8rent une protection IP69K.<\/li>\n<li><strong>Hauteur d\u2019installation et accessibilit\u00e9:<\/strong> il est pr\u00e9f\u00e9rable d\u2019opter pour des solutions LED durables n\u00e9cessitant un minimum de maintenance.<\/li>\n<li><strong>Type de substance:<\/strong> gaz ou poussi\u00e8res, chacun n\u00e9cessitant un mode de protection sp\u00e9cifique (Ex db, Ex eb\/ec, Ex tb\/tc, etc\u2026)<\/li>\n<li><strong>Syst\u00e8mes de contr\u00f4le de l\u2019\u00e9clairage.<\/strong><\/li>\n<\/ul>\n<p>Un mauvais choix peut entra\u00eener aussi bien un arr\u00eat technique qu\u2019un accident grave.<\/p>\n<h4>Exemples pratiques par secteur<\/h4>\n<ul>\n<li>Dans les <strong>raffineries<\/strong>, des projecteurs ATEX haute puissance avec des corps anticorrosion sont utilis\u00e9s.<\/li>\n<li>Dans les <strong>industries agroalimentaires<\/strong>, des luminaires \u00e9tanches avec une \u00e9tanch\u00e9it\u00e9 totale contre les poussi\u00e8res et l\u2019humidit\u00e9.<\/li>\n<li>Dans les <strong>ateliers et les zones logistiques<\/strong>, des luminaires lin\u00e9aires IP66 et des luminaires LED ATEX r\u00e9sistants aux chocs.<\/li>\n<li>Dans les <strong>chambres froides avec risque ATEX<\/strong>, des solutions IP69K capables de supporter le nettoyage \u00e0 l\u2019eau sous pression.<\/li>\n<\/ul>\n<h4>Conclusion: tous les luminaires industriels ne conviennent pas aux zones ATEX<\/h4>\n<p>Comprendre les diff\u00e9rences entre les zones 0, 1, 2, 20, 21 et 22 est essentiel pour installer un syst\u00e8me <strong>d\u2019\u00e9clairage ATEX s\u00fbr et conforme \u00e0 la r\u00e9glementation<\/strong>. Il ne s\u2019agit pas seulement de respecter les normes, mais de prot\u00e9ger les actifs, les processus et les personnes.<\/p>\n<p>Un \u00e9clairage ATEX efficace commence par une analyse technique rigoureuse. Car dans ces environnements, la lumi\u00e8re ne se contente pas d\u2019\u00e9clairer: elle <strong>pr\u00e9vient les risques, prot\u00e8ge et garantit la continuit\u00e9 op\u00e9rationnelle.<\/strong><\/p>\n<p><img decoding=\"async\" class=\"alignnone wp-image-23160\" src=\"https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/09\/Foto-Ivan-Cid-e1758094310975.jpg\" alt=\"\" width=\"183\" height=\"192\" srcset=\"https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/09\/Foto-Ivan-Cid-e1758094310975-24x24.jpg 24w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/09\/Foto-Ivan-Cid-e1758094310975-34x36.jpg 34w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/09\/Foto-Ivan-Cid-e1758094310975-46x48.jpg 46w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/09\/Foto-Ivan-Cid-e1758094310975-200x209.jpg 200w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/09\/Foto-Ivan-Cid-e1758094310975-287x300.jpg 287w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/09\/Foto-Ivan-Cid-e1758094310975-400x418.jpg 400w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/09\/Foto-Ivan-Cid-e1758094310975-600x628.jpg 600w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/09\/Foto-Ivan-Cid-e1758094310975.jpg 652w\" sizes=\"(max-width: 183px) 100vw, 183px\" \/><\/p>\n<p>IV\u00c1N CID \u2013 Leader en ing\u00e9nierie et innovation.<\/p>\n<div id=\"tw-container\" class=\"nev7se\" data-cp=\"1\" data-nnttsvi=\"1\" data-sletp=\"false\" data-sm=\"1\" data-ssbp=\"false\" data-sugg-time=\"500\" data-sugg-url=\"https:\/\/clients1.google.com\/complete\/search\" data-uilc=\"es\" 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id=\"tw-images\"><\/div>\n<div class=\"dURPtb\"><\/div>\n<div>\n<div><\/div>\n<\/div>\n<\/div>\n<div class=\"KFFQ0c xKf9F\"><\/div>\n<\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":5,"featured_media":27733,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[71],"tags":[],"class_list":["post-27711","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-classifiee"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Zones ATEX: diff\u00e9rences entre les luminaires des zones 0 \u00e0 22<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez les zones ATEX et comment choisir le luminaire adapt\u00e9 pour assurer s\u00e9curit\u00e9 et conformit\u00e9 en atmosph\u00e8res 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