{"id":5438,"date":"2025-08-20T17:33:35","date_gmt":"2025-08-20T09:33:35","guid":{"rendered":"https:\/\/www.airbag.cc\/?p=5438"},"modified":"2025-10-14T15:47:22","modified_gmt":"2025-10-14T07:47:22","slug":"yokohama-fenders-50-kpa-vs-80-kpa","status":"publish","type":"post","link":"https:\/\/www.airbag.cc\/fr\/yokohama-fenders-50-kpa-vs-80-kpa\/","title":{"rendered":"Pare-chocs Yokohama : 50 kPa vs 80 kPa"},"content":{"rendered":"<p>Si vous avez d\u00e9j\u00e0 cherch\u00e9 <strong>Garde-boue Yokohama<\/strong>vous avez probablement remarqu\u00e9 deux classements communs : <strong>50 kPa<\/strong> et <strong>80 kPa<\/strong>. \u00c0 premi\u00e8re vue, ils se ressemblent. Il s'agit de d\u00e9fenses pneumatiques, con\u00e7ues pour prot\u00e9ger les navires lors de l'accostage ou des transferts de navire \u00e0 navire (STS), et conformes aux normes de l'UE. <strong><a href=\"https:\/\/www.iso.org\/standard\/59873.html\">ISO 17357 1:2014<\/a><\/strong> et <strong><a href=\"https:\/\/www.iso.org\/standard\/59874.html\">ISO 17357 2:2014<\/a><\/strong> normes.<\/p>\n\n\n\n<p>Pourquoi avons-nous deux classes de pression ? Et laquelle convient le mieux \u00e0 votre projet ? Voyons cela en termes simples.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"670\" src=\"https:\/\/www.airbag.cc\/wp-content\/uploads\/2025\/06\/Nanhai-pneumatic-fender-in-use-114-\u62f7\u8d1d.webp\" alt=\"Les d\u00e9fenses pneumatiques NANHAI en action\" class=\"wp-image-4735\" srcset=\"https:\/\/www.airbag.cc\/wp-content\/uploads\/2025\/06\/Nanhai-pneumatic-fender-in-use-114-\u62f7\u8d1d.webp 1000w, https:\/\/www.airbag.cc\/wp-content\/uploads\/2025\/06\/Nanhai-pneumatic-fender-in-use-114-\u62f7\u8d1d-300x201.webp 300w, https:\/\/www.airbag.cc\/wp-content\/uploads\/2025\/06\/Nanhai-pneumatic-fender-in-use-114-\u62f7\u8d1d-768x515.webp 768w, https:\/\/www.airbag.cc\/wp-content\/uploads\/2025\/06\/Nanhai-pneumatic-fender-in-use-114-\u62f7\u8d1d-112x75.webp 112w, https:\/\/www.airbag.cc\/wp-content\/uploads\/2025\/06\/Nanhai-pneumatic-fender-in-use-114-\u62f7\u8d1d-480x322.webp 480w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1000px) 100vw, 1000px\" \/><\/figure>\n<\/div>\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Tableau de comparaison rapide<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Param\u00e8tres<\/strong><\/th><th><strong>50 kPa yokohama Fender<\/strong>s<\/th><th><strong>80 kPa yokohama Garde-boue<\/strong><\/th><th><strong>Ce que cela signifie<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Absorption d'\u00e9nergie<\/strong><\/td><td>Plus bas<\/td><td>Plus \u00e9lev\u00e9<\/td><td>80 kPa g\u00e8re plus d'\u00e9nergie par taille<\/td><\/tr><tr><td><strong>Force de r\u00e9action<\/strong><\/td><td>Plus bas<\/td><td>Plus \u00e9lev\u00e9<\/td><td>V\u00e9rifier les limites de pression de la coque<\/td><\/tr><tr><td><strong>Taille pour la m\u00eame EA<\/strong><\/td><td>Plus grand<\/td><td>Plus petit<\/td><td>80 kPa permet de r\u00e9duire le diam\u00e8tre des ailes<\/td><\/tr><tr><td><strong>Poids et maniabilit\u00e9<\/strong><\/td><td>Plus lourd (en cas de surdimensionnement)<\/td><td>Plus l\u00e9ger (en cas de r\u00e9duction de la taille)<\/td><td>La logistique peut changer en fonction des choix<\/td><\/tr><tr><td><strong>Co\u00fbt<\/strong><\/td><td>G\u00e9n\u00e9ralement inf\u00e9rieur<\/td><td>Plus \u00e9lev\u00e9 \u00e0 l'avance<\/td><td>Mais la taille r\u00e9duite peut compenser le co\u00fbt<\/td><\/tr><tr><td><strong>Entretien<\/strong><\/td><td>Plus facile<\/td><td>L\u00e9g\u00e8rement plus stricte<\/td><td>80 kPa n\u00e9cessite des contr\u00f4les de pression plus fr\u00e9quents<\/td><\/tr><tr><td><strong>Les meilleurs cas d'utilisation<\/strong><\/td><td>Postes d'amarrage abrit\u00e9s, op\u00e9rations STQ<\/td><td>Transferts STS, GNL, VLCC<\/td><td>Adapter l'\u00e9valuation \u00e0 l'environnement<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Que signifie \"kPa\" ?<\/h2>\n\n\n\n<p>Le <strong>Valeur kPa<\/strong> vous indique le <strong>pression interne initiale<\/strong> de la <strong><a href=\"https:\/\/www.airbag.cc\/fr\/pneumatic-fender\/\">d\u00e9fense pneumatique<\/a><\/strong>. A <strong>Une aile Yokohama 50 kPa commence avec 50 kilopascals \u00e0 l'int\u00e9rieur, tandis qu'une aile Yokohama 80 kPa<\/strong> commence \u00e0 80 ans.<\/p>\n\n\n\n<p>Une pression plus \u00e9lev\u00e9e donne \u00e0 l'aile une meilleure <strong>l'absorption d'\u00e9nergie (EA)<\/strong> et <strong>stabilit\u00e9 de la forme<\/strong>. Cependant, elle conduit \u00e9galement \u00e0 une <strong>force de r\u00e9action plus \u00e9lev\u00e9e<\/strong> sur la structure du navire et de la couchette. C'est pourquoi votre choix doit toujours correspondre \u00e0 vos besoins. <strong>\u00e9nergie d'amarrage<\/strong> les calculs et les limites de pression de la coque.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Les diff\u00e9rences de performance que vous remarquerez<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Absorption d'\u00e9nergie (EA)<\/h3>\n\n\n\n<p>C'est la plus grande diff\u00e9rence. \u00c0 taille \u00e9gale, un <strong>80 kPa aile<\/strong> peut absorber <strong>plus d'\u00e9nergie<\/strong> qu'un mod\u00e8le \u00e0 50 kPa. Cela signifie que si vos navires sont lourds ou si vos vitesses d'approche sont \u00e9lev\u00e9es, 80 kPa est plus s\u00fbr.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Force de r\u00e9action<\/h3>\n\n\n\n<p>Une pression interne plus \u00e9lev\u00e9e signifie \u00e9galement <strong>plus de repoussoir<\/strong>. Si la structure de votre poste d'amarrage ou le rev\u00eatement de votre coque pr\u00e9sente des limites de pression strictes, une d\u00e9fense de 50 kPa peut s'av\u00e9rer plus s\u00fbre.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Taille de l'aile<\/h3>\n\n\n\n<p>Voici la partie int\u00e9ressante : pour les <strong>m\u00eame exigence en mati\u00e8re d'EE<\/strong>vous pouvez souvent <strong>r\u00e9duire<\/strong> lorsque vous choisissez 80 kPa. Les d\u00e9fenses plus petites sont plus faciles \u00e0 manipuler et parfois moins ch\u00e8res \u00e0 exp\u00e9dier.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Co\u00fbt, logistique et maintenance<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Co\u00fbt initial<\/strong> \u2192 80 kPa sont g\u00e9n\u00e9ralement <strong>plus cher<\/strong>mais vous pourriez avoir besoin d'un <strong>taille r\u00e9duite<\/strong>qui peut compenser le co\u00fbt.<\/li>\n\n\n\n<li><strong>Manipulation<\/strong> \u2192 Le fait de r\u00e9duire la taille d'un garde-boue Yokohama de 80 kPa le rend plus l\u00e9ger et plus facile \u00e0 d\u00e9placer, mais sinon, il n'y a gu\u00e8re de diff\u00e9rence au niveau de l'installation.<\/li>\n\n\n\n<li><strong>Entretien<\/strong> \u2192 Les deux ont besoin d'un contr\u00f4le de pression, mais <strong>80 kPa ailes yokohama<\/strong> sont moins indulgents si vous les omettez. Les ch\u00e8ques mensuels sont une bonne r\u00e8gle de base.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Quand choisir 50 kPa ou 80 kPa ?<\/h2>\n\n\n\n<p><strong>Choisissez 50 kPa si :<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vous manipulez <strong>navires \u00e0 cargaison g\u00e9n\u00e9rale<\/strong>les vraquiers ou les porte-conteneurs<\/li>\n\n\n\n<li>La couchette est situ\u00e9e dans un <strong>port abrit\u00e9<\/strong> avec des conditions de mer cl\u00e9mentes<\/li>\n\n\n\n<li><strong>Le budget est une pr\u00e9occupation<\/strong><\/li>\n\n\n\n<li>Vous voulez <strong>force de r\u00e9action inf\u00e9rieure<\/strong> sur les structures des postes d'amarrage<\/li>\n<\/ul>\n\n\n\n<p><strong>Choisissez 80 kPa si :<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vous faites <strong>Transferts STS<\/strong> avec <strong>VLCC<\/strong>les transporteurs de GNL ou les op\u00e9rations en mer<\/li>\n\n\n\n<li>La couchette fait face \u00e0 <strong>des vagues ou des courants forts<\/strong><\/li>\n\n\n\n<li>L'espace est restreint et vous souhaitez un <strong>aile plus petite avec le m\u00eame EA<\/strong><\/li>\n\n\n\n<li>Vous avez besoin de mieux <strong>stabilit\u00e9 de la forme<\/strong> sous des charges lourdes<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">La s\u00e9curit\u00e9 et les normes sont importantes<\/h2>\n\n\n\n<p>Les d\u00e9fenses pneumatiques en caoutchouc ne sont pas toutes \u00e9gales. Demandez toujours :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Certification ISO 17357-1:2014<\/strong><\/li>\n\n\n\n<li><strong>Courbes de performance<\/strong> pour les valeurs nominales de 50 kPa et 80 kPa<\/li>\n\n\n\n<li><strong>Rapports d'inspection de tiers<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Et n'oubliez pas : <strong>ne pas surgonfler un garde-boue de 50 kPa \u00e0 80 kPa<\/strong>. La conception de la couche, le renforcement et les facteurs de s\u00e9curit\u00e9 sont diff\u00e9rents.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Processus de s\u00e9lection des ailes \u00e9tape par \u00e9tape<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Comprendre votre sc\u00e9nario<\/strong> \u2192 STS ou STQ ? Types de navires ?<\/li>\n\n\n\n<li><strong>Calculer l'\u00e9nergie d'accostage<\/strong> \u2192 En fonction de la taille du navire, de sa vitesse et de la mar\u00e9e.<\/li>\n\n\n\n<li><strong>V\u00e9rifier les limites de la coque et de la couchette<\/strong> \u2192 Faites bien correspondre la force d'EA et la force de r\u00e9action.<\/li>\n\n\n\n<li><strong>Choisir la classe de pression<\/strong> \u2192 Choisir entre 50 kPa et 80 kPa en fonction des conditions.<\/li>\n\n\n\n<li><strong>Choisir la taille de l'aile<\/strong> \u2192 Utiliser des tableaux de performance certifi\u00e9s.<\/li>\n\n\n\n<li><strong>S\u00e9lectionner les accessoires<\/strong> \u2192 Filets, cha\u00eenes, \u00e9merillons - assurez-vous que les cotes correspondent.<\/li>\n\n\n\n<li><strong>Maintenance du plan<\/strong> \u2192 \u00c9tablir un calendrier d'inspection r\u00e9gulier.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Les erreurs courantes \u00e0 \u00e9viter<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gonfler un garde-boue de 50 kPa \u00e0 80 kPa (dangereux).<\/li>\n\n\n\n<li>Ne pas tenir compte de la force de r\u00e9action lors d'un changement de classe de pression ou d'une augmentation de la taille de l'appareil.<\/li>\n\n\n\n<li>Utilisation <strong>ailes non certifi\u00e9es<\/strong> sans rapport d'essai.<\/li>\n\n\n\n<li>L'omission de contr\u00f4les r\u00e9guliers de la pression, en particulier sur les appareils de 80 kPa.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Exemples concrets<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>STS LNG Transfer :<\/strong> Les d\u00e9fenses de 80 kPa sont pr\u00e9f\u00e9r\u00e9es pour les raisons suivantes <strong>\u00e9nergie d'accostage \u00e9lev\u00e9e<\/strong> et <strong>des limites de distance \u00e9troites<\/strong>.<\/li>\n\n\n\n<li><strong>Poste d'amarrage pour conteneurs dans un port abrit\u00e9 :<\/strong> 50 kPa est g\u00e9n\u00e9ralement plus que suffisant.<\/li>\n\n\n\n<li><strong>Poste d'amarrage expos\u00e9 :<\/strong> 80 kPa permet une meilleure <strong>stabilit\u00e9 de la forme<\/strong> pendant les houles.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">FAQ<\/h2>\n\n\n\n<p><strong>Q1. Puis-je utiliser une aile de 50 kPa \u00e0 80 kPa ?<\/strong><br>Non. Ils sont con\u00e7us diff\u00e9remment et ce n'est pas s\u00fbr.<\/p>\n\n\n\n<p><strong>Q2. Les performances de 80 kPa sont-elles toujours meilleures ?<\/strong><br>Pas toujours. C'est \"mieux\" pour <strong>haute \u00e9nergie<\/strong> mais avec une force de r\u00e9action plus \u00e9lev\u00e9e et une maintenance plus stricte.<\/p>\n\n\n\n<p><strong>Q3. Est-ce que 80 kPa r\u00e9duira la taille de mes ailes ?<\/strong><br>Oui, vous pouvez souvent choisir un <strong>plus petit diam\u00e8tre<\/strong> pour atteindre la m\u00eame absorption d'\u00e9nergie.<\/p>\n\n\n\n<p><strong>Q4. \u00c0 quelle fr\u00e9quence dois-je v\u00e9rifier la pression ?<\/strong><br>Au moins <strong>une fois par mois<\/strong> ou avant des op\u00e9rations STS majeures.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">R\u00e9flexions finales<\/h2>\n\n\n\n<p>Lorsqu'il s'agit de <strong><a href=\"https:\/\/www.airbag.cc\/fr\/pneumatic-fender\/\">Garde-boue Yokohama<\/a><\/strong>il n'y a pas de \"meilleure\" option universelle entre <strong>50 kPa<\/strong> et <strong>80 kPa<\/strong>. Le bon choix d\u00e9pend de votre <strong>taille du navire<\/strong>, <strong>\u00e9nergie d'amarrage<\/strong>, <strong>l'environnement<\/strong>et <strong>budget<\/strong>.<\/p>\n\n\n\n<p>En cas de doute, demandez toujours \u00e0 votre fournisseur d'ailes de vous fournir les informations suivantes <strong>Courbes de performance certifi\u00e9es ISO<\/strong> et laissez-vous guider par les chiffres. Un mauvais choix peut se traduire par des co\u00fbts plus \u00e9lev\u00e9s ou, pire encore, par des dommages structurels.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-vivid-red-background-color has-background wp-element-button\" href=\"https:\/\/www.airbag.cc\/fr\/contact-and-support\/\">consultation gratuite<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>If you\u2019ve ever searched for Yokohama fenders, you\u2019ve probably noticed two common ratings: 50 kPa and 80 kPa. At first glance, they look the same. Both<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5438","post","type-post","status-publish","format-standard","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.7.1 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Yokohama Fenders: 50 kPa vs 80 kPa - pneumatic fenders_yokohama fender_vessel fender-NanHai Groups Marine<\/title>\n<meta name=\"description\" content=\"Yokohama fenders 50 kPa vs 80 kPa: key differences in energy absorption, reaction force, size, cost, and best uses.\" \/>\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.airbag.cc\/fr\/yokohama-fenders-50-kpa-vs-80-kpa\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Yokohama Fenders: 50 kPa vs 80 kPa\" \/>\n<meta property=\"og:description\" content=\"Yokohama fenders 50 kPa vs 80 kPa: key differences in energy absorption, reaction force, size, cost, and best uses.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.airbag.cc\/fr\/yokohama-fenders-50-kpa-vs-80-kpa\/\" \/>\n<meta property=\"og:site_name\" content=\"pneumatic fenders_yokohama fender_vessel fender-NanHai Groups Marine\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/nanhaimarine\/\" \/>\n<meta property=\"article:published_time\" content=\"2025-08-20T09:33:35+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-14T07:47:22+00:00\" \/>\n<meta name=\"author\" content=\"a2\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"a2\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.airbag.cc\\\/yokohama-fenders-50-kpa-vs-80-kpa\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.airbag.cc\\\/yokohama-fenders-50-kpa-vs-80-kpa\\\/\"},\"author\":{\"name\":\"a2\",\"@id\":\"https:\\\/\\\/www.airbag.cc\\\/#\\\/schema\\\/person\\\/e807cba4e19b01b05fe0ace0a5ee9219\"},\"headline\":\"Yokohama Fenders: 50 kPa vs 80 kPa\",\"datePublished\":\"2025-08-20T09:33:35+00:00\",\"dateModified\":\"2025-10-14T07:47:22+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.airbag.cc\\\/yokohama-fenders-50-kpa-vs-80-kpa\\\/\"},\"wordCount\":836,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.airbag.cc\\\/#organization\"},\"articleSection\":[\"News\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.airbag.cc\\\/yokohama-fenders-50-kpa-vs-80-kpa\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.airbag.cc\\\/yokohama-fenders-50-kpa-vs-80-kpa\\\/\",\"url\":\"https:\\\/\\\/www.airbag.cc\\\/yokohama-fenders-50-kpa-vs-80-kpa\\\/\",\"name\":\"Yokohama Fenders: 50 kPa vs 80 kPa - 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