{"id":4628,"date":"2026-03-02T09:00:00","date_gmt":"2026-03-02T01:00:00","guid":{"rendered":"https:\/\/www.aox-actuator.com\/?p=4628"},"modified":"2026-03-24T14:09:41","modified_gmt":"2026-03-24T06:09:41","slug":"hazardous-zone-explosion-proof-electric-actuator","status":"publish","type":"post","link":"https:\/\/www.aox-actuator.com\/es\/blog\/compliance\/hazardous-zone-explosion-proof-electric-actuator\/","title":{"rendered":"5 factores clave para seleccionar actuadores de v\u00e1lvulas el\u00e9ctricas a prueba de explosiones"},"content":{"rendered":"<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Al elegir actuadores de v\u00e1lvulas el\u00e9ctricas a prueba de explosiones, los profesionales de la industria consideran cinco criterios principales: certificaci\u00f3n, carcasa, temperatura, seguridad contra fallos y mantenimiento. Un actuador el\u00e9ctrico a prueba de explosiones debe tener <a href=\"https:\/\/www.aox-actuator.com\/es\/blog\/atex-vs-iecex\/\" target=\"_blank\" rel=\"noreferrer noopener\">ATEX o IECEx<\/a> certificaci\u00f3n, una carcasa NEMA 7, control de temperatura para evitar la ignici\u00f3n, soporte para <a href=\"https:\/\/www.aox-actuator.com\/es\/blog\/what-is-esd-valve-system\/\" target=\"_blank\" rel=\"noreferrer noopener\">ESD<\/a>, y mantenimiento regular.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"652\" height=\"366\" src=\"https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2026\/03\/ATEX-and-IECEx-certification-logos.webp\" alt=\"\" class=\"wp-image-4631\" style=\"width:300px\" srcset=\"https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2026\/03\/ATEX-and-IECEx-certification-logos.webp 652w, https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2026\/03\/ATEX-and-IECEx-certification-logos-500x281.webp 500w, https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2026\/03\/ATEX-and-IECEx-certification-logos-300x168.webp 300w, https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2026\/03\/ATEX-and-IECEx-certification-logos-18x10.webp 18w, https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2026\/03\/ATEX-and-IECEx-certification-logos-134x75.webp 134w, https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2026\/03\/ATEX-and-IECEx-certification-logos-480x269.webp 480w\" sizes=\"auto, (max-width:767px) 480px, 652px\" \/><figcaption class=\"wp-element-caption\">Certificados ATEX e IECEx<\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Los actuadores de v\u00e1lvulas el\u00e9ctricas a prueba de explosiones se utilizan en petr\u00f3leo y gas, petroqu\u00edmica y <a href=\"https:\/\/www.aox-actuator.com\/es\/solutions\/chemical-solution\/\" target=\"_blank\" rel=\"noreferrer noopener\">industrias qu\u00edmicas<\/a>, Entre otros, en lugares donde hay gases o vapores inflamables. Dado que las chispas son peligrosas, elegir el actuador el\u00e9ctrico a prueba de explosiones adecuado es fundamental.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00bfPor qu\u00e9 es importante contar con equipos a prueba de explosiones en zonas peligrosas?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">En las regiones peligrosas abundan el polvo, los humos y los gases inflamables. Estos pueden activarse por equipos el\u00e9ctricos que se calientan o producen chispas. Al confinar de forma segura cualquier ignici\u00f3n dentro de carcasas robustas, los actuadores a prueba de explosiones evitan incendios.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Estos riesgos son habituales en el procesamiento de productos qu\u00edmicos o hidrocarburos. Las tuber\u00edas, los tanques y los reactores suelen estar conectados a v\u00e1lvulas; incluso una sola fuga puede causar problemas. Los actuadores pueden convertirse r\u00e1pidamente en un peligro si no est\u00e1n debidamente protegidos, por lo que las instalaciones suelen utilizar actuadores para \u00e1reas peligrosas dise\u00f1ados para entornos explosivos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Los actuadores para zonas peligrosas se utilizan en las siguientes industrias:<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td>Industria<\/td><td>Peligro t\u00edpico<\/td><td>Ejemplo de riesgo de ignici\u00f3n<\/td><\/tr><tr><td>Petr\u00f3leo y gas<\/td><td>Gases de metano e hidrocarburos<\/td><td>Chispa el\u00e9ctrica durante el funcionamiento de la v\u00e1lvula<\/td><\/tr><tr><td>Petroqu\u00edmico<\/td><td>Hidrocarburos vol\u00e1tiles<\/td><td>Ignici\u00f3n cerca de tanques de almacenamiento<\/td><\/tr><tr><td>Procesamiento qu\u00edmico<\/td><td>Vapores de disolvente<\/td><td>Arco el\u00e9ctrico que enciende nubes de vapor<\/td><\/tr><tr><td>Procesamiento de granos y polvo<\/td><td>polvo combustible<\/td><td>Ignici\u00f3n de nubes de polvo por calor de los equipos<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Este requisito de protecci\u00f3n contra explosiones influye en la selecci\u00f3n de equipos en instalaciones ubicadas en zonas peligrosas, donde se eligen espec\u00edficamente equipos dise\u00f1ados para garantizar que cualquier posible ignici\u00f3n interna se contenga de forma segura.&nbsp;<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<style>\n  .hero-recommendation-vertical {\n    max-width: 420px;\n    margin: 32px auto;\n    background: #fff;\n    border-radius: 16px;\n    box-shadow: 0 4px 18px 0 rgba(60, 66, 87, 0.10);\n    overflow: hidden;\n    transition: box-shadow 0.2s;\n  }\n  .hero-link-vertical {\n    display: flex;\n    flex-direction: column;\n    align-items: center;\n    text-decoration: none;\n    color: inherit;\n    width: 100%;\n    transition: background 0.2s;\n  }\n  .hero-link-vertical:hover {\n    background: #f8f9fa;\n  }\n  .hero-image-vertical img {\n    display: block;\n    width: 100%;\n    height: 210px;\n    object-fit: cover;\n    background: #f4f4f4;\n  }\n  .hero-content-vertical {\n    padding: 28px 22px 24px 22px;\n    text-align: center;\n    width: 100%;\n  }\n  .hero-content-vertical h2 {\n    margin: 0 0 12px 0;\n    font-size: 1.3rem;\n    font-weight: 700;\n    color: #263238;\n    letter-spacing: 0.01rem;\n  }\n  .hero-content-vertical p {\n    margin: 0 0 18px 0;\n    font-size: 1rem;\n    color: #546e7a;\n    line-height: 1.5;\n  }\n  .hero-btn-vertical {\n    padding: 10px 26px;\n    background: #ffc107; \/* Changed button background color *\/\n    border: none;\n    border-radius: 6px;\n    font-size: 1rem;\n    font-weight: 600;\n    color: #fff;\n    cursor: pointer;\n    transition: background 0.2s, color 0.2s;\n    box-shadow: 0 2px 8px rgba(255,193,7,0.10); \/* Adjusted shadow color *\/\n  }\n  .hero-btn-vertical:hover {\n    background: #e0a800; \/* Darkened color for hover effect (approx 10-15%) *\/\n  }\n  @media (max-width: 600px) {\n    .hero-recommendation-vertical {\n      max-width: 98vw;\n    }\n    .hero-image-vertical img {\n      height: 160px;\n    }\n    .hero-content-vertical {\n      padding: 18px 8px 16px 8px;\n    }\n  }\n<\/style>\n<div class=\"hero-recommendation-vertical\">\n  <a href=\"https:\/\/www.aox-actuator.com\/es\/product\/aox-q-l-series-explosion-proof-linear-electric-actuator\/\" class=\"hero-link-vertical\" target=\"_blank\" rel=\"noopener\">\n    <div class=\"hero-image-vertical\">\n      <img decoding=\"async\" src=\"https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2024\/09\/Linear-Electric-Actuator.jpg\" alt=\"Actuador el\u00e9ctrico a prueba de explosiones serie AOX-QL\">\n    <\/div>\n    <div class=\"hero-content-vertical\">\n      <p><strong>Actuador de v\u00e1lvula el\u00e9ctrica lineal a prueba de explosiones serie AOX-QL\n<\/strong><\/p>\n      <p>\n      \u2022 Cumple con la normativa de metano de la EPA<\/br>\n      \u2022 A prueba de explosiones<\/br>\n      \u2022 Ventilaci\u00f3n de gas cero\n      <\/p>\n      <button class=\"hero-btn-vertical\">Explorar productos y soluciones<\/button>\n    <\/div>\n  <\/a>\n<\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Factor 1: Manejo de clasificaciones globales (ATEX frente a IECEx)<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Si le preguntas a la mayor\u00eda de los ingenieros, el punto de partida para elegir un actuador de v\u00e1lvula el\u00e9ctrica a prueba de explosiones siempre es la certificaci\u00f3n. Es ineludible: las normas de seguridad para \u00e1reas peligrosas son absolutas. Nadie est\u00e1 dispuesto a correr riesgos. En la pr\u00e1ctica, las certificaciones ATEX e IECEx son las que se mencionan una y otra vez.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td>Proceso de dar un t\u00edtulo<\/td><td>Regi\u00f3n<\/td><td>Objetivo<\/td><\/tr><tr><td>ATEX<\/td><td>uni\u00f3n Europea<\/td><td>Homologaci\u00f3n de equipos para atm\u00f3sferas explosivas<\/td><\/tr><tr><td>IECEx<\/td><td>Internacional<\/td><td>Marco de certificaci\u00f3n para equipos peligrosos<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Un actuador de v\u00e1lvula ATEX est\u00e1 dise\u00f1ado para cumplir con las normas de seguridad de la Uni\u00f3n Europea para entornos explosivos. Si busca la marca ATEX en cualquier producto, sabr\u00e1 que ha superado pruebas rigurosas y cumple con directrices de fabricaci\u00f3n muy estrictas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La certificaci\u00f3n IECEx es otro marco de certificaci\u00f3n internacional para equipos utilizados en entornos explosivos. Es muy popular entre los ingenieros, especialmente entre aquellos que trabajan en proyectos internacionales, ya que IECEx est\u00e1 reconocida en muchos pa\u00edses del mundo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Si su negocio opera a nivel internacional, utilizar actuadores con certificaci\u00f3n internacional puede ahorrarle muchos problemas. Facilita enormemente tanto la compra como el uso del producto.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Factor 2: Integridad de la carcasa y clasificaci\u00f3n IP<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La carcasa protege los actuadores contra el polvo, la humedad y los productos qu\u00edmicos. Si el sellado se ve comprometido, los componentes el\u00e9ctricos quedan expuestos, lo cual es inaceptable en una zona peligrosa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La mayor\u00eda de los actuadores para \u00e1reas peligrosas utilizan una carcasa NEMA 7 para su protecci\u00f3n en entornos explosivos. Pueden soportar explosiones internas, y la explosi\u00f3n queda contenida dentro de la carcasa, incluso en presencia de gases o vapores inflamables.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td>Clasificaci\u00f3n IP<\/td><td>Nivel de protecci\u00f3n<\/td><\/tr><tr><td>IP65<\/td><td>Herm\u00e9tico al polvo, protegido de chorros de agua.<\/td><\/tr><tr><td>IP66<\/td><td>Herm\u00e9tico al polvo y protegido de potentes chorros de agua.<\/td><\/tr><tr><td>IP67<\/td><td>Herm\u00e9tico al polvo, protegido de la inmersi\u00f3n temporal.<\/td><\/tr><tr><td>IP68<\/td><td>Herm\u00e9tico al polvo, protegido de la inmersi\u00f3n continua.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">En plataformas marinas y plantas qu\u00edmicas, los actuadores pueden estar expuestos a la lluvia, la humedad y los productos qu\u00edmicos. Un alto grado de protecci\u00f3n IP garantiza su resistencia en dichas condiciones.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Factor 3: Temperatura superficial y clasificaciones T<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La temperatura superficial es otro factor importante a la hora de elegir un actuador para zonas peligrosas. Si bien las chispas no representan un problema, si un dispositivo el\u00e9ctrico se calienta lo suficiente, puede provocar la ignici\u00f3n del gas con solo entrar en contacto con la superficie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Los actuadores a prueba de explosiones tienen una clasificaci\u00f3n de temperatura, o clasificaci\u00f3n T, que indica la temperatura superficial m\u00e1xima para un funcionamiento seguro.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td>Clase de temperatura<\/td><td>Temperatura m\u00e1xima de la superficie<\/td><\/tr><tr><td>T1<\/td><td>450\u00b0C<\/td><\/tr><tr><td>T2<\/td><td>300\u00b0C<\/td><\/tr><tr><td>T3<\/td><td>200\u00b0C<\/td><\/tr><tr><td>T4<\/td><td>135\u00b0C<\/td><\/tr><tr><td>T5<\/td><td>100\u00b0C<\/td><\/tr><tr><td>T6<\/td><td>85\u00b0C<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Existen otros gases, como el hidr\u00f3geno y el acetileno, que pueden inflamarse a temperaturas relativamente bajas. Con un actuador con la capacidad adecuada, la temperatura de la superficie se mantendr\u00e1 por debajo de este rango cr\u00edtico, lo que garantiza la seguridad.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Factor 4: Mecanismos a prueba de fallos y parada de emergencia (ESD)<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Las funciones ESD son vitales para la seguridad industrial, ya que mueven instant\u00e1neamente las v\u00e1lvulas a una posici\u00f3n segura cuando es necesario.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Los actuadores a prueba de explosiones utilizan configuraciones a prueba de fallos vinculadas a los sistemas de seguridad de la planta. Dependiendo del proceso, los actuadores pueden mover v\u00e1lvulas a <a href=\"https:\/\/www.aox-actuator.com\/es\/blog\/fail-open-vs-fail-close-valve-actuator\/\" target=\"_blank\" rel=\"noreferrer noopener\">apertura por fallo o cierre por fallo<\/a> posiciones en las siguientes situaciones:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>detecci\u00f3n de incendios<\/li>\n\n\n\n<li>Procedimientos de apagado del sistema<\/li>\n\n\n\n<li>Viajes de seguridad de procesos<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Esta configuraci\u00f3n permite a los operarios aislar r\u00e1pidamente los equipos o detener los procesos si se producen anomal\u00edas, por lo que los sistemas de actuadores est\u00e1n casi siempre vinculados a los controles de seguridad de la planta.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Factor 5: Mantenimiento sin abrir la carcasa antiexplosi\u00f3n<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Los actuadores a prueba de explosiones deben recibir mantenimiento sin romper los sellos, que son fundamentales para la seguridad y para controlar el n\u00famero de fuentes de ignici\u00f3n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Los actuadores se est\u00e1n dise\u00f1ando con dispositivos no intrusivos, como Bluetooth e infrarrojos. De este modo, el mantenimiento se puede realizar sin necesidad de abrir la carcasa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Las consideraciones de dise\u00f1o para el mantenimiento incluyen:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Herramientas de mantenimiento no intrusivas<\/li>\n\n\n\n<li>Dise\u00f1o modular del actuador<\/li>\n\n\n\n<li>Instrucciones de f\u00e1cil instalaci\u00f3n y mantenimiento.<\/li>\n\n\n\n<li>Sellos robustos<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Los actuadores presentan menos riesgos en lugares peligrosos si se les puede realizar mantenimiento sin romper los sellos de la carcasa.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Conclusi\u00f3n: Consideraciones clave para la automatizaci\u00f3n de v\u00e1lvulas en \u00e1reas peligrosas<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Para seleccionar un actuador el\u00e9ctrico para entornos vol\u00e1tiles donde la seguridad y la contenci\u00f3n son las principales prioridades, se necesita algo m\u00e1s que simplemente igualar el par o el tama\u00f1o. Las estrictas normas de seguridad son esenciales en sectores como el petroqu\u00edmico, el qu\u00edmico y el <a href=\"https:\/\/www.aox-actuator.com\/es\/solutions\/oil-gas-solution\/\" target=\"_blank\" rel=\"noreferrer noopener\">petr\u00f3leo y gas<\/a>.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Generalmente se buscan actuadores con carcasas NEMA 7, potentes opciones de parada de emergencia y que cumplan con las normas ATEX o IECEx. Los ingenieros y los equipos de compras pueden seleccionar el mejor actuador para situaciones peligrosas centr\u00e1ndose en cinco caracter\u00edsticas clave.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50\"><a class=\"wp-block-button__link has-white-color has-text-color has-background has-link-color has-medium-font-size has-custom-font-size wp-element-button\" href=\"https:\/\/www.aox-actuator.com\/es\/contact\/\" style=\"border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-left-radius:0px;border-bottom-right-radius:0px;background-color:#fccc22\" target=\"_blank\" rel=\"noreferrer noopener\">Obt\u00e9n un presupuesto gratuito<\/a><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>In choosing explosion-proof electric valve actuators, industry professionals look into five major criteria: certification, enclosure, temperature, fail-safe, and maintenance. An explosion-proof electric actuator must have ATEX<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":4630,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[73],"tags":[],"class_list":["post-4628","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-compliance"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Explosion-Proof Electric Actuator: ATEX &amp; IECEx Specs | AOX<\/title>\n<meta name=\"description\" content=\"Explore 5 key factors for selecting explosion-proof electric valve actuators, including ATEX certification, enclosure protection, T-ratings, and ESD support.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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