{"id":1415,"date":"2019-06-26T09:01:46","date_gmt":"2019-06-26T09:01:46","guid":{"rendered":"https:\/\/www.sediver.com\/products\/extreme-pollution\/"},"modified":"2026-03-12T12:43:13","modified_gmt":"2026-03-12T12:43:13","slug":"pollution-extreme","status":"publish","type":"products","link":"https:\/\/www.sediver.com\/fr\/produits\/pollution-extreme\/","title":{"rendered":"Pollution extr\u00eame"},"content":{"rendered":"\n<p>En cas de pollution extr\u00eame ou exceptionnelle, il peut devenir n\u00e9cessaire de laver les isolateurs en verre et en porcelaine afin de r\u00e9duire le risque de contournement li\u00e9 au d\u00e9p\u00f4t critique de pollution. En 2004, Sediver a d\u00e9velopp\u00e9 l&rsquo;isolateur Sedicoat, un isolateur en verre tremp\u00e9 recouvert en usine d\u2019un rev\u00eatement silicone RTV qui permet de s&rsquo;affranchir d&rsquo;un lavage r\u00e9gulier.<\/p>\n\n\n\n<p>Le comportement hydrophobe de ce rev\u00eatement permet de faire face aux probl\u00e8mes de pollution extr\u00eame. Sous forte humidit\u00e9 ou sous pluie, l&rsquo;eau ne forme pas une film continu \u00e0 la surface de l&rsquo;isolateur et donc le courant de fuite est r\u00e9duit. Les performances d&rsquo;isolement sont donc accrues en cas de pollution extr\u00eame, tout en maintenant les propri\u00e9t\u00e9s inh\u00e9rentes au verre tremp\u00e9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Principaux avantages <\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Diminution du co\u00fbt de maintenance, gr\u00e2ce \u00e0 l\u2019absence de lavage <\/li>\n\n\n\n<li>Maintien des propri\u00e9t\u00e9s inh\u00e9rentes au verre tremp\u00e9 Sediver\u00a0: &#8211; facilit\u00e9 et fiabilit\u00e9 de l\u2019inspection visuelle &#8211; s\u00e9curit\u00e9 des \u00e9quipes qui travaillent sous tension &#8211; fiabilit\u00e9 \u00e9lectrique et m\u00e9canique \u00e0 long terme &#8211; aucun vieillissement &#8211; taux de rupture verre le plus bas du march\u00e9<\/li>\n\n\n\n<li>Il n&rsquo;est pas n\u00e9cessaire de modifier le design de la ligne<\/li>\n\n\n\n<li>Possibilit\u00e9 d\u2019application sur tous les profils<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Gamme <\/h2>\n\n\n\n<p>Les isolateurs Sedicoat ont prouv\u00e9 leurs performances \u00e0 long terme dans tous les types de pollution forte et tr\u00e8s forte&nbsp;: <\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-2 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" width=\"346\" height=\"176\" src=\"https:\/\/www.sediver.com\/wp-content\/uploads\/coastal-areas.jpg\" alt=\"\" data-id=\"662\" data-link=\"https:\/\/www.sediver.com\/products\/test\/attachment\/coastal-areas\/\" class=\"wp-image-663\" srcset=\"https:\/\/www.sediver.com\/wp-content\/uploads\/coastal-areas.jpg 346w, https:\/\/www.sediver.com\/wp-content\/uploads\/coastal-areas-300x153.jpg 300w\" sizes=\"(max-width: 346px) 100vw, 346px\" \/><figcaption class=\"blocks-gallery-item__caption\">Bord de mer<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" width=\"346\" height=\"176\" src=\"https:\/\/www.sediver.com\/wp-content\/uploads\/agricultural-pollution-areas.jpg\" alt=\"\" data-id=\"664\" data-link=\"https:\/\/www.sediver.com\/products\/test\/attachment\/agricultural-pollution-areas\/\" class=\"wp-image-665\" srcset=\"https:\/\/www.sediver.com\/wp-content\/uploads\/agricultural-pollution-areas.jpg 346w, https:\/\/www.sediver.com\/wp-content\/uploads\/agricultural-pollution-areas-300x153.jpg 300w\" sizes=\"(max-width: 346px) 100vw, 346px\" \/><figcaption class=\"blocks-gallery-item__caption\">Zones de pollution agricole<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" width=\"346\" height=\"176\" src=\"https:\/\/www.sediver.com\/wp-content\/uploads\/desert-areas.jpg\" alt=\"\" data-id=\"666\" data-link=\"https:\/\/www.sediver.com\/products\/test\/attachment\/desert-areas\/\" class=\"wp-image-667\" srcset=\"https:\/\/www.sediver.com\/wp-content\/uploads\/desert-areas.jpg 346w, https:\/\/www.sediver.com\/wp-content\/uploads\/desert-areas-300x153.jpg 300w\" sizes=\"(max-width: 346px) 100vw, 346px\" \/><figcaption class=\"blocks-gallery-item__caption\">Zones d\u00e9sertiques<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" width=\"346\" height=\"176\" src=\"https:\/\/www.sediver.com\/wp-content\/uploads\/industrial-pollution-areas.jpg\" alt=\"\" data-id=\"668\" data-link=\"https:\/\/www.sediver.com\/products\/test\/attachment\/industrial-pollution-areas\/\" class=\"wp-image-669\" srcset=\"https:\/\/www.sediver.com\/wp-content\/uploads\/industrial-pollution-areas.jpg 346w, https:\/\/www.sediver.com\/wp-content\/uploads\/industrial-pollution-areas-300x153.jpg 300w\" sizes=\"(max-width: 346px) 100vw, 346px\" \/><figcaption class=\"blocks-gallery-item__caption\">Zones de pollution industrielle<\/figcaption><\/figure><\/li><\/ul><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Profils recommand\u00e9s<\/h2>\n\n\n\n<p>Dans les environnements extr\u00eamement pollu\u00e9s, Sediver recommande de choisir des profils d&rsquo;isolateurs en verre avec propri\u00e9t\u00e9 autonettoyante, ou limitant l&rsquo;accumulation de pollution&nbsp;: <\/p>\n\n\n<div class=\"lazyblock-thumbnail-text-24clrt wp-block-lazyblock-thumbnail-text\"><div class=\"thumbnail-text\">\r\n  <div class=\"thumbnail-text__picture\">\r\n      <img decoding=\"async\" src=\"https:\/\/www.sediver.com\/wp-content\/uploads\/open_profile.jpg\" alt=\"\">\r\n          \r\n  <\/div>\r\n   <div class=\"thumbnail-text__infos\">\r\n      <p class=\"thumbnail-text__infos__title\">Profil a\u00e9rodynamique<\/p>\r\n      <p class=\"thumbnail-text__infos__subtitle\"><\/p>\r\n  <\/div>\r\n<\/div>\r\n\r\n<div class=\"thumbnail-text\">\r\n  <div class=\"thumbnail-text__picture\">\r\n      <img decoding=\"async\" src=\"https:\/\/www.sediver.com\/wp-content\/uploads\/outerib_profile.jpg\" alt=\"\">\r\n          \r\n  <\/div>\r\n   <div class=\"thumbnail-text__infos\">\r\n      <p class=\"thumbnail-text__infos__title\">Profil \u00e0 ailettes horizontales<\/p>\r\n      <p class=\"thumbnail-text__infos__subtitle\"><\/p>\r\n  <\/div>\r\n<\/div>\r\n\r\n<div class=\"thumbnail-text\">\r\n  <div class=\"thumbnail-text__picture\">\r\n      <img decoding=\"async\" src=\"https:\/\/www.sediver.com\/wp-content\/uploads\/fog_type.jpg\" alt=\"\">\r\n          \r\n  <\/div>\r\n   <div class=\"thumbnail-text__infos\">\r\n      <p class=\"thumbnail-text__infos__title\">Profil antipollution<\/p>\r\n      <p class=\"thumbnail-text__infos__subtitle\"><\/p>\r\n  <\/div>\r\n<\/div>\r\n\r\n<\/div>\n\n\n<p>Tous les profils propos\u00e9s par Sediver sont disponibles en version recouverte ou semi-recouverte<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Garanties m\u00e9caniques <\/h2>\n\n\n\n<p>70 kN \u00e0 840 kN<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tension allant jusqu&rsquo;\u00e0&nbsp;: <\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>800 kV (courant continu) <\/li>\n\n\n\n<li>1000 kV (courant alternatif) <\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\n\nExp\u00e9rience\n\n<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li> 25 ann\u00e9es de performances in\u00e9gal\u00e9es <\/li>\n\n\n\n<li> 6 millions d\u2019isolateurs en service<\/li>\n\n\n\n<li> Dans plus de 25 pays <\/li>\n<\/ul>\n","protected":false},"featured_media":660,"template":"","class_list":["post-1415","products","type-products","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Coated insulators - Sediver RTV silicone coated glass insulators<\/title>\n<meta name=\"description\" content=\"Discover our range of silicone coated insulators, fighting against polluted atmospheres while keeping a high mechanical and electrical reliability.\" \/>\n<meta name=\"robots\" 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