{"id":29377,"date":"2026-03-27T08:13:10","date_gmt":"2026-03-27T07:13:10","guid":{"rendered":"https:\/\/www.airfal.com\/?p=29377"},"modified":"2026-03-27T08:13:10","modified_gmt":"2026-03-27T07:13:10","slug":"atexmaintenance","status":"publish","type":"post","link":"https:\/\/www.airfal.com\/en\/blog\/atexmaintenance\/","title":{"rendered":"Industrial maintenance in ATEX environments: key to ensuring safety and reliability"},"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>In any industrial facility, maintenance is a critical activity to ensure operational continuity. However, when we talk about <strong>ATEX zones<\/strong>, maintenance takes on a completely different dimension. In these environments, a poorly executed intervention can become a source of ignition with serious consequences for people, facilities, and production processes.<\/p>\n<p>For these reason, <strong>maintenance in ATEX environments<\/strong> is not limited to repairing equipment or replacing components. It involves working under strict procedures, understanding the risks associated with explosive atmospheres, and ensuring that the safety conditions for which the installation was designed remain intact.<\/p>\n<h3>What does maintenance in ATEX zones involve?<\/h3>\n<p><strong>ATEX zones<\/strong> are areas where an explosive atmosphere may form due to the presence of gases, vapours or combustible dust. Depending on the likelihood of this atmosphere occurring, they are classified as Zone 1, Zone 2, Zone 21, Zone 22.<\/p>\n<p>In these areas, <strong>maintenance<\/strong> must follow <strong>specific criteria<\/strong> because electrical and mechanical equipment is designed to prevent ignition of sources. Any intervention that alters its original design may compromise that protection.<\/p>\n<p>Regulations require that installations in ATEX zones maintain their safety conditions throughout their entire service life. This means periodically inspecting electrical equipment, ATEX luminaires, enclosures, connections, and protection systems.<\/p>\n<p>In other words, maintenance does not only aim to ensure that equipment functions properly, <strong>it ensures that it remains safe to operate in ATEX zones.<\/strong><\/p>\n<h3>Main risks in the maintenance of ATEX installations<\/h3>\n<p><span data-contrast=\"none\">One of the greatest challenges in\u00a0maintaining\u00a0installations in ATEX zones is that many risks develop progressively and may go unnoticed if proper inspections are not carried out.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">The most common include:<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"1\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"none\"><strong>Unplanned interventions<\/strong> that require rapid action in sensitive environments\u00a0<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"1\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"none\"><strong>Loss of tightness<\/strong> in enclosures or electrical equipment\u00a0<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"1\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"none\"><strong>Component\u00a0degradation<\/strong> due to corrosive environments or\u00a0high temperatures\u00a0<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"1\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"none\"><strong>Thermal build-up<\/strong>, especially in electrical equipment or luminaires, often due to insufficient cleaning\u00a0<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"1\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"none\"><strong>Incorrect handling of flameproof enclosures<\/strong>, which may affect their protective capability\u00a0<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<\/ul>\n<p><span class=\"TextRun SCXW43401839 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW43401839 BCX0\">In installations with ATEX lighting, for example, a poorly secured closure or a damaged gasket can compromise the integrity of the equipment.<\/span><\/span><\/p>\n<h3>Types of maintenance applied in ATEX environments<\/h3>\n<p><span data-contrast=\"none\">Maintenance in ATEX zones usually combines different approaches to ensure safety and reliability.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"-\" data-font=\"Aptos\" data-listid=\"5\" data-list-defn-props=\"{\" data-aria-posinset=\"6\" data-aria-level=\"1\"><span data-contrast=\"none\"><b>Corrective maintenance <\/b>occurs <span class=\"TextRun SCXW217699529 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW217699529 BCX0\"><strong>when a fault appears<\/strong>. In ATEX environments, this type of intervention must be handled with particular care, as it may involve opening certified equipment or manipulating live installations. It can also mean working under time pressure, which may reduce safety levels.<\/span><\/span><span class=\"EOP SCXW217699529 BCX0\" data-ccp-props=\"{\">\u00a0<\/span><\/span><\/li>\n<\/ul>\n<p><span data-contrast=\"none\">For these reason, corrective maintenance <\/span><span data-ccp-props=\"{\"><span class=\"TextRun SCXW118341632 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW118341632 BCX0\">is\u00a0<\/span><span class=\"NormalTextRun SCXW118341632 BCX0\">generally kept<\/span><span class=\"NormalTextRun SCXW118341632 BCX0\">\u00a0to the minimum necessary and carried out following strict procedures.<\/span><\/span><span class=\"EOP SCXW118341632 BCX0\" data-ccp-props=\"{\">\u00a0<\/span><\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"-\" data-font=\"Aptos\" data-listid=\"5\" data-list-defn-props=\"{\" data-aria-posinset=\"7\" data-aria-level=\"1\"><span data-contrast=\"none\"><span class=\"TextRun SCXW94896902 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW94896902 BCX0\"><strong>Preventive maintenance<\/strong> aims to <strong>avoid failures before they occur<\/strong>. It includes periodic inspections of electrical equipment, luminaire checks, verification of <\/span><span class=\"NormalTextRun SCXW94896902 BCX0\">closures,<\/span><span class=\"NormalTextRun SCXW94896902 BCX0\">\u00a0and monitoring of operating temperatures.<\/span><\/span><span class=\"EOP SCXW94896902 BCX0\" data-ccp-props=\"{\">\u00a0<\/span><\/span><\/li>\n<\/ul>\n<p><span class=\"TextRun SCXW98013143 BCX0\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW98013143 BCX0\">A well-defined preventive plan allows degradation to be detected before it creates a risk<\/span><\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"-\" data-font=\"Aptos\" data-listid=\"5\" data-list-defn-props=\"{\" data-aria-posinset=\"8\" data-aria-level=\"1\"><b><span data-contrast=\"none\">Predictive maintenance and monitoring\u00a0<\/span><\/b><\/li>\n<\/ul>\n<p><span data-contrast=\"none\">In recent years, <strong>predictive maintenance<\/strong> has gained prominence in industrial facilities. Through sensors and monitoring systems, it is possible to <strong>analyse equipment behaviour in real time and anticipate failures.<\/strong><\/span><strong>\u00a0<\/strong><\/p>\n<p><span data-contrast=\"none\">In ATEX zones, this approach is particularly valuable because it reduces unnecessary interventions.\u00a0Technological platforms such as Atenea use ATEX luminaires as a technological infrastructure to integrate sensors and\u00a0monitor\u00a0critical variables without the need for\u00a0additional\u00a0cabling.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<h4>ATEX lighting and maintenance: a critical point<\/h4>\n<p><span class=\"TextRun SCXW17151418 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW17151418 BCX0\">Although often perceived as an auxiliary system, <strong>lighting<\/strong> is electrical equipment that must\u00a0<\/span><span class=\"NormalTextRun SCXW17151418 BCX0\">comply with<\/span><span class=\"NormalTextRun SCXW17151418 BCX0\">\u00a0strict safety requirements.<\/span><\/span><span class=\"EOP SCXW17151418 BCX0\" data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span class=\"TextRun SCXW168658640 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW168658640 BCX0\">During maintenance, it is important to review aspects such as:<\/span><\/span><\/p>\n<ul>\n<li>The condition of the luminaire <strong>enclosure<\/strong><\/li>\n<li><strong>Proper closure<\/strong> of the unit<\/li>\n<li>Integrity of <strong>gaskets and seals<\/strong><\/li>\n<li><strong>Thermal dissipation<\/strong> of the LED system<\/li>\n<li><strong>Absence of corrosion<\/strong> of dust accumulation<\/li>\n<\/ul>\n<p>A poorly maintained ATEX lumianaire can lose its protective capability. For this reason, lighting forms part of the group of critical equipment in these environments.<\/p>\n<h3>How to reduce interventions in explosion-risk environments<\/h3>\n<p><span class=\"TextRun SCXW90213 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW90213 BCX0\">In environments with <strong>explosive atmospheres<\/strong>, every intervention involves risks and operational costs. Therefore, the <\/span><span class=\"NormalTextRun SCXW90213 BCX0\">objective<\/span><span class=\"NormalTextRun SCXW90213 BCX0\">\u00a0should not be to intervene faster, but to <strong>intervene less\u00a0<\/strong><\/span><strong><span class=\"NormalTextRun SCXW90213 BCX0\">frequently<\/span><span class=\"NormalTextRun SCXW90213 BCX0\">.<\/span><\/strong><\/span><span class=\"EOP SCXW90213 BCX0\" data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span class=\"TextRun SCXW218662723 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW218662723 BCX0\">This can be achieved through:<\/span><\/span><span class=\"EOP SCXW218662723 BCX0\" data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<ul>\n<li><strong>Proper design from the outset<\/strong> of the installation<\/li>\n<li><strong>Correct selection<\/strong> of the <strong>ATEX protection method<\/strong><\/li>\n<li>Use of <strong>components<\/strong> designed for the real <strong>operating environment<\/strong><\/li>\n<li><strong>Remote monitoring<\/strong> systems that allow failures to be anticipated<\/li>\n<\/ul>\n<p><span data-contrast=\"none\">Reducing unnecessary interventions is one of the most effective ways to improve safety in ATEX zones.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<h4>Best practices for an effective ATEX maintenance plan<\/h4>\n<p><span data-contrast=\"none\">A maintenance plan in <strong>ATEX zones<\/strong> must be clearly structured and documented.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">Typical steps include:<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"4\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"none\"><strong>Correct classification<\/strong> of ATEX zones\u00a0<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"4\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"none\"><strong>Identification of critical equipment<\/strong> within the installation\u00a0<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"4\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"none\"><strong>Documented planning<\/strong> of inspections and reviews\u00a0<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"4\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"none\"><strong>Detailed record<\/strong> of all interventions carried out\u00a0<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"4\" data-list-defn-props=\"{\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"none\"><strong>Ongoing evaluation<\/strong> of the installation\u2019s condition\u00a0<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/li>\n<\/ul>\n<p><span data-contrast=\"none\">This approach ensures traceability and guarantees that safety conditions are\u00a0maintained\u00a0over time.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<h3 aria-level=\"2\">Technology applied to maintenance in ATEX zones<\/h3>\n<p><span data-contrast=\"none\">Industrial\u00a0digitalisation\u00a0is also transforming maintenance in ATEX zones. Sensors,\u00a0<strong>IIoT\u00a0platforms and monitoring systems<\/strong> make it possible to collect data on temperature, vibrations, energy\u00a0consumption\u00a0or gas presence.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">Integrating these technologies\u00a0facilitates\u00a0centralised\u00a0maintenance management and reduces the number of on-site interventions.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">Solutions such as Atenea leverage ATEX lighting infrastructure to deploy sensors and monitoring systems without the need for\u00a0additional\u00a0cabling, simplifying implementation in classified areas.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">In summary, maintenance in ATEX zones should not be understood solely as a technical activity, but as a fundamental part of the\u00a0installation\u2019s\u00a0safety system.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">Keeping equipment in proper condition, planning\u00a0interventions\u00a0and using technology to\u00a0anticipate\u00a0failures helps reduce risks and improve operational reliability.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">In environments where even a small deviation can have\u00a0serious consequences, maintenance is not just an operational task \u2014 it is a key tool for ensuring industrial safety.<\/span><span data-ccp-props=\"{\">\u00a0<\/span><\/p>\n<p><span data-olk-copy-source=\"MessageBody\"><img decoding=\"async\" class=\"alignnone wp-image-21210 entered lazyloaded\" src=\"https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/08\/CARLOS-JIMENEZ-scaled.jpg\" sizes=\"(max-width: 129px) 100vw, 129px\" srcset=\"https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/08\/CARLOS-JIMENEZ-22x24.jpg 22w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/08\/CARLOS-JIMENEZ-33x36.jpg 33w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/08\/CARLOS-JIMENEZ-44x48.jpg 44w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/08\/CARLOS-JIMENEZ-200x217.jpg 200w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/08\/CARLOS-JIMENEZ-277x300.jpg 277w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/08\/CARLOS-JIMENEZ-400x433.jpg 400w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/08\/CARLOS-JIMENEZ-600x650.jpg 600w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/08\/CARLOS-JIMENEZ-768x832.jpg 768w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/08\/CARLOS-JIMENEZ-800x867.jpg 800w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/08\/CARLOS-JIMENEZ-945x1024.jpg 945w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/08\/CARLOS-JIMENEZ-1200x1300.jpg 1200w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/08\/CARLOS-JIMENEZ-1417x1536.jpg 1417w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/08\/CARLOS-JIMENEZ-1890x2048.jpg 1890w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/08\/CARLOS-JIMENEZ-scaled.jpg 2362w\" alt=\"\" width=\"129\" height=\"140\" data-lazy-srcset=\"https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/08\/CARLOS-JIMENEZ-22x24.jpg 22w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/08\/CARLOS-JIMENEZ-33x36.jpg 33w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/08\/CARLOS-JIMENEZ-44x48.jpg 44w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/08\/CARLOS-JIMENEZ-200x217.jpg 200w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/08\/CARLOS-JIMENEZ-277x300.jpg 277w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/08\/CARLOS-JIMENEZ-400x433.jpg 400w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/08\/CARLOS-JIMENEZ-600x650.jpg 600w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/08\/CARLOS-JIMENEZ-768x832.jpg 768w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/08\/CARLOS-JIMENEZ-800x867.jpg 800w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/08\/CARLOS-JIMENEZ-945x1024.jpg 945w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/08\/CARLOS-JIMENEZ-1200x1300.jpg 1200w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/08\/CARLOS-JIMENEZ-1417x1536.jpg 1417w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/08\/CARLOS-JIMENEZ-1890x2048.jpg 1890w, https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/08\/CARLOS-JIMENEZ-scaled.jpg 2362w\" data-lazy-sizes=\"(max-width: 129px) 100vw, 129px\" data-lazy-src=\"https:\/\/www.airfal.com\/wp-content\/uploads\/2025\/08\/CARLOS-JIMENEZ-scaled.jpg\" data-ll-status=\"loaded\" \/><\/span><\/p>\n<p><span data-olk-copy-source=\"MessageBody\">CARLOS JIM\u00c9NEZ \u2013 ATEX Engineering\u00a0<\/span><\/p>\n<\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":5,"featured_media":29534,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[72],"tags":[],"class_list":["post-29377","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Industrial maintenance in ATEX environments: key to ensuring safety and reliability - Airfal<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.airfal.com\/en\/blog\/atexmaintenance\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta 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