{"id":4649,"date":"2026-03-15T09:00:00","date_gmt":"2026-03-15T01:00:00","guid":{"rendered":"https:\/\/www.aox-actuator.com\/?p=4649"},"modified":"2026-03-24T14:10:03","modified_gmt":"2026-03-24T06:10:03","slug":"electric-valve-actuator-torque-sizing-specs","status":"publish","type":"post","link":"https:\/\/www.aox-actuator.com\/fr\/blog\/selection\/electric-valve-actuator-torque-sizing-specs\/","title":{"rendered":"La liste de contr\u00f4le ultime pour le dimensionnement d&#039;un actionneur de vanne \u00e9lectrique"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Le dimensionnement pr\u00e9cis des actionneurs de vannes est essentiel pour garantir le bon fonctionnement des vannes automatis\u00e9es dans les conditions de process de l&#039;industrie. Le choix d&#039;un actionneur \u00e9lectrique de vanne doit prendre en compte divers facteurs afin de s\u00e9lectionner l&#039;actionneur le plus adapt\u00e9 \u00e0 l&#039;application.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les actionneurs assurent le d\u00e9placement et le maintien en position de l&#039;obturateur de la vanne. Un actionneur non conforme aux exigences du proc\u00e9d\u00e9 et aux sp\u00e9cifications de conception peut nuire au fonctionnement de la vanne. Il est donc essentiel d&#039;\u00e9valuer les exigences relatives aux actionneurs d\u00e8s les premi\u00e8res \u00e9tapes de la s\u00e9lection d&#039;un actionneur adapt\u00e9 \u00e0 une application donn\u00e9e.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Le co\u00fbt \u00e9lev\u00e9 d&#039;un dimensionnement incorrect\u00a0: risques pour la s\u00e9curit\u00e9 et usure des composants<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les actionneurs sont souvent n\u00e9glig\u00e9s lors de la conception des syst\u00e8mes de vannes, alors qu&#039;ils contr\u00f4lent directement le mouvement et la position finale des billes, des disques ou des obturateurs. Un dimensionnement correct des actionneurs garantit qu&#039;ils peuvent fournir le couple n\u00e9cessaire pour actionner et fermer la vanne dans toutes les conditions de fonctionnement.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Si le choix de l&#039;actionneur ne correspond pas aux exigences du syst\u00e8me, les vannes risquent de ne pas s&#039;ouvrir ou de se fermer compl\u00e8tement. Ceci peut engendrer des risques pour la s\u00e9curit\u00e9, tels que des fuites dues \u00e0 une \u00e9tanch\u00e9it\u00e9 imparfaite, des surpressions ou un d\u00e9bit incontr\u00f4l\u00e9. Des actionneurs sous-dimensionn\u00e9s peuvent se bloquer sous charge, tandis que des actionneurs surdimensionn\u00e9s peuvent exercer une contrainte excessive sur les composants des vannes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un dimensionnement inad\u00e9quat acc\u00e9l\u00e8re \u00e9galement l&#039;usure des pi\u00e8ces internes. Les engrenages peuvent subir des charges anormales, entra\u00eenant une usure ou un d\u00e9salignement des dents. Des surcharges r\u00e9p\u00e9t\u00e9es peuvent accro\u00eetre le frottement, augmenter le couple requis et r\u00e9duire la dur\u00e9e de vie des composants.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le choix doit prendre en compte le syst\u00e8me dans son ensemble, et non la seule vanne. Une \u00e9valuation appropri\u00e9e garantit un fonctionnement fiable, r\u00e9duit les risques pour la s\u00e9curit\u00e9 et limite l&#039;usure pr\u00e9matur\u00e9e en assurant que l&#039;actionneur d\u00e9livre un couple contr\u00f4l\u00e9 et ad\u00e9quat sur toute la plage de fonctionnement de la vanne.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u00c9tape 1\u00a0: Adaptation du fonctionnement de l\u2019actionneur au type de vanne (Diff\u00e9rences entre quart de tour et tours multiples)<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le processus de s\u00e9lection des actionneurs commence par une \u00e9valuation des besoins de l&#039;application. Les vannes industrielles sont utilis\u00e9es pour diverses fonctions au sein d&#039;un syst\u00e8me, par exemple pour la r\u00e9gulation de d\u00e9bit, l&#039;isolation des canalisations ou la protection des \u00e9quipements.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour que les fonctions des vannes industrielles soient assur\u00e9es, les actionneurs, notamment <a href=\"https:\/\/www.aox-actuator.com\/fr\/blog\/quarter-vs-multi-turn-valve-actuator\/\" target=\"_blank\" rel=\"noreferrer noopener\">actionneurs \u00e9lectriques multitours<\/a> Utilis\u00e9s pour les vannes \u00e0 guillotine ou \u00e0 soupape, les actionneurs doivent pouvoir contr\u00f4ler le mouvement des obturateurs de ces vannes. En effet, ces obturateurs, qu&#039;il s&#039;agisse d&#039;une bille, d&#039;un bouchon ou d&#039;un disque, doivent r\u00e9agir au mouvement des actionneurs pour assurer une r\u00e9gulation optimale du d\u00e9bit dans le syst\u00e8me.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les conditions de fonctionnement, telles que la pression, la temp\u00e9rature et les d\u00e9bits, influent sur les performances des vannes industrielles du syst\u00e8me. Ces conditions influent \u00e9galement sur les forces agissant sur les \u00e9l\u00e9ments de fermeture des vannes.&nbsp;<\/p>\n\n\n\n<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\">\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\/fr\/product\/aox-q-series-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\/AOX-Q-series-electric-actuator-\u2013-7-1.jpg\" alt=\"Actionneur \u00e9lectrique s\u00e9rie AOX-Q\">\n    <\/div>\n    <div class=\"hero-content-vertical\"><strong>\n      <p>Actionneur \u00e9lectrique s\u00e9rie AOX-Q<\/p>\n      <p><\/strong>\n      L&#039;actionneur \u00e9lectrique de la s\u00e9rie AOX-Q offre un contr\u00f4le fiable et pr\u00e9cis pour une vari\u00e9t\u00e9 d&#039;applications de vannes, garantissant un fonctionnement efficace et une durabilit\u00e9 dans les environnements industriels.\n      <\/p>\n      <button class=\"hero-btn-vertical\">Explorer les produits et les solutions<\/button>\n    <\/div>\n  <\/a>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\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: 28px 22px 24px 22px;\n    }\n  }\n<\/style>\n<div class=\"hero-recommendation-vertical\">\n  <a href=\"https:\/\/www.aox-actuator.com\/fr\/product\/aox-m-series-multi-turn-electric-actuato\/\" 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\/2025\/08\/AOX-M-Electric-Actuator-intelligent.webp\" alt=\"\">\n    <\/div>\n    <div class=\"hero-content-vertical\">\n      <p><strong>Actionneur de vanne \u00e9lectrique multitours s\u00e9rie AOX-M<\/strong><\/p>\n      <p>\n      La s\u00e9rie \u201c AOX-M \u201d est con\u00e7ue pour actionner des vannes \u00e0 rotation multiple de 360\u00b0, telles que les vannes \u00e0 guillotine et les vannes \u00e0 globe.\n      <\/p>\n      <button class=\"hero-btn-vertical\">Explorer les produits et les solutions<\/button>\n    <\/div>\n  <\/a>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u00c9tape 2\u00a0: Calcul des besoins en couple avec un facteur de s\u00e9curit\u00e9 (couple de rupture vs. couple de fonctionnement)<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les conditions de fonctionnement ont un impact significatif sur les performances des actionneurs. La pression, la temp\u00e9rature et le d\u00e9bit peuvent affecter la force n\u00e9cessaire pour d\u00e9placer et maintenir en place l&#039;\u00e9l\u00e9ment de fermeture de la vanne\u00a0; il est donc imp\u00e9ratif d&#039;en tenir compte lors du calcul du couple de l&#039;actionneur \u00e9lectrique.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Si les conditions de fonctionnement ne sont pas prises en compte lors du choix de l&#039;actionneur, celui-ci risque de ne pas fournir un couple suffisant pour actionner la vanne.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Deux conditions de couple sont g\u00e9n\u00e9ralement utilis\u00e9es pour la s\u00e9lection des actionneurs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le couple de d\u00e9crochage correspond au couple n\u00e9cessaire pour d\u00e9placer une vanne depuis sa position compl\u00e8tement ferm\u00e9e ou en position assise. Dans cette position, le d\u00e9placement de la vanne est g\u00e9n\u00e9ralement plus difficile en raison du frottement entre les surfaces et les pi\u00e8ces mobiles internes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le couple de fonctionnement est d\u00e9fini comme la quantit\u00e9 de couple n\u00e9cessaire pour continuer \u00e0 actionner une vanne apr\u00e8s qu&#039;elle a commenc\u00e9 \u00e0 se d\u00e9placer \u00e0 partir d&#039;une position compl\u00e8tement ferm\u00e9e ou en position assise.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ces deux valeurs de couple peuvent varier en fonction des conditions de fonctionnement. Dans certains cas, une pression et une temp\u00e9rature \u00e9lev\u00e9es peuvent influencer le couple n\u00e9cessaire pour actionner une vanne.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les conditions suivantes peuvent affecter le couple requis par une vanne\u00a0:&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Facteur d&#039;\u00e9valuation<\/strong><\/td><td><strong>Description<\/strong><\/td><td><strong>Importance du choix de l&#039;actionneur<\/strong><\/td><\/tr><tr><td>Pression du proc\u00e9d\u00e9<\/td><td>Pression agissant sur la vanne \u00e0 l&#039;int\u00e9rieur du syst\u00e8me<\/td><td>Peut augmenter la force n\u00e9cessaire pour actionner la vanne<\/td><\/tr><tr><td>Temp\u00e9rature de fonctionnement<\/td><td>Conditions de temp\u00e9rature au sein du processus<\/td><td>Peut affecter les composants de l&#039;actionneur et le frottement de la vanne<\/td><\/tr><tr><td>d\u00e9bit<\/td><td>mouvement du fluide \u00e0 travers la vanne<\/td><td>Peut influencer les forces de positionnement des vannes<\/td><\/tr><tr><td>Fonctionnement de la vanne<\/td><td>R\u00f4le de la vanne (r\u00e9gulation du d\u00e9bit, isolation, protection)<\/td><td>D\u00e9termine les exigences op\u00e9rationnelles de l&#039;actionneur<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Ces conditions doivent \u00eatre \u00e9valu\u00e9es afin de garantir que l&#039;actionneur choisi sera capable de fournir un couple suffisant pour d\u00e9placer et positionner la vanne dans l&#039;environnement op\u00e9rationnel tout en maintenant un actionneur appropri\u00e9 <a href=\"https:\/\/www.aox-actuator.com\/fr\/blog\/standards\/understanding-sil-2-vs-sil-3-functional-safety\/\" target=\"_blank\" rel=\"noreferrer noopener\">facteur de s\u00e9curit\u00e9<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u00c9tape 3\u00a0: D\u00e9termination du cycle de service et des besoins en \u00e9nergie (\u00c9viter la surchauffe du moteur)<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le choix de l&#039;actionneur doit tenir compte des signaux de commande, de l&#039;alimentation \u00e9lectrique et du rapport cyclique de la vanne. L&#039;actionneur doit \u00eatre compatible avec les protocoles de relais, analogiques et num\u00e9riques tels que Modbus, HART et Profibus, et int\u00e9grer un retour d&#039;information de position pour une commande pr\u00e9cise.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le cycle de service d&#039;une vanne d\u00e9finit son utilisation en nombre d&#039;op\u00e9rations par heure ou par jour. Par exemple, 12 cycles d&#039;ouverture\/fermeture par heure correspondent \u00e0 une utilisation intensive. Un cycle de service plus \u00e9lev\u00e9 augmente la fr\u00e9quence des cycles de marche\/arr\u00eat, la consommation de courant et la production de chaleur.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le cycle de service d\u00e9termine directement le choix du moteur. Un service intensif requiert des moteurs \u00e0 capacit\u00e9 thermique \u00e9lev\u00e9e, une classe d&#039;isolation adapt\u00e9e et une fr\u00e9quence de d\u00e9marrage nominale suffisante pour \u00e9viter la surchauffe. Un service faible peut utiliser des moteurs de configuration standard.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La plupart des actionneurs \u00e9lectriques int\u00e8grent une protection thermique qui se d\u00e9clenche \u00e0 120 \u00b0C \u00b1 5 \u00b0C et se r\u00e9initialise apr\u00e8s refroidissement. Les mod\u00e8les courants utilisent <a href=\"https:\/\/www.aox-actuator.com\/fr\/blog\/understanding-squirrel-cage-motor\/\" target=\"_blank\" rel=\"noreferrer noopener\">moteurs asynchrones \u00e0 cage d&#039;\u00e9cureuil<\/a> avec une isolation de classe H et des options d&#039;alimentation telles que 110\/220 V CA monophas\u00e9 et 380\/440 V CA triphas\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un r\u00e9glage pr\u00e9cis du cycle de service de la vanne par rapport au moteur \u00e9vite la surchauffe, prolonge la dur\u00e9e de vie des composants et assure un fonctionnement fiable de l&#039;actionneur \u00e9lectrique multitours.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u00c9tape 4 : \u00c9valuation des conditions environnementales (applications industrielles, marines ou \u00e0 haute temp\u00e9rature)<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Un autre facteur \u00e0 prendre en compte lors du choix des actionneurs est leur fiabilit\u00e9. La fiabilit\u00e9 est un crit\u00e8re essentiel, notamment pour les vannes qui assurent des fonctions critiques au sein d&#039;un syst\u00e8me.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lorsqu&#039;une d\u00e9faillance d&#039;un actionneur est susceptible d&#039;affecter la stabilit\u00e9 d&#039;un syst\u00e8me, la fiabilit\u00e9 de cet actionneur devient un crit\u00e8re essentiel lors de son choix. L&#039;importance de la vanne au sein du syst\u00e8me est un autre facteur \u00e0 prendre en compte.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Conclusion : \u00c9viter les erreurs de s\u00e9lection co\u00fbteuses gr\u00e2ce \u00e0 une liste de contr\u00f4le professionnelle<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le dimensionnement r\u00e9ussi d&#039;un actionneur de vanne n\u00e9cessite de prendre en compte les besoins de l&#039;application, la compatibilit\u00e9 avec le syst\u00e8me, la fiabilit\u00e9 et le co\u00fbt. En tenant compte de ces \u00e9l\u00e9ments, on s&#039;assure du bon fonctionnement de l&#039;actionneur au sein d&#039;un syst\u00e8me d&#039;automatisation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Il est n\u00e9cessaire d&#039;examiner les besoins du processus, la compatibilit\u00e9 du syst\u00e8me et sa fiabilit\u00e9 avant de <a href=\"https:\/\/www.aox-actuator.com\/fr\/china-electric-valve-actuator-supplier-manufacturer\/\" target=\"_blank\" rel=\"noreferrer noopener\">s\u00e9lection d&#039;un actionneur de vanne<\/a> pour \u00e9viter les erreurs de taille.<\/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\/fr\/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\">Obtenez un devis gratuit<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Accurate valve actuator sizing is important to guarantee proper operation of automated valves under process conditions in the process industry. In selecting an electric valve actuator,<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":4651,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[75],"tags":[],"class_list":["post-4649","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-selection"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Electric Valve Actuator Sizing: Torque &amp; Duty Cycle Math | AOX<\/title>\n<meta name=\"description\" content=\"Learn valve actuator sizing with a practical checklist covering torque calculation, safety factors, and system compatibility for reliable automation.\" \/>\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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