{"id":2074,"date":"2026-09-02T13:25:25","date_gmt":"2026-09-02T12:25:25","guid":{"rendered":"https:\/\/www.belzona.be\/fr\/?post_type=applications&#038;p=2074"},"modified":"2026-09-02T13:25:26","modified_gmt":"2026-09-02T12:25:26","slug":"reparation-fuite-gaz-sf6-gss-14","status":"publish","type":"applications","link":"https:\/\/www.belzona.be\/fr\/applications\/reparation-fuite-gaz-sf6-gss-14\/","title":{"rendered":"GSS-14 : \u00c9tanch\u00e9ification des fuites de gaz SF\u2086 avec Belzona SF6-FIX"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Belzona System Leaflet GSS-14<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le gaz SF\u2086 est utilis\u00e9 comme milieu isolant et de coupure, notamment dans les appareillages de commutation isol\u00e9s au gaz et les \u00e9quipements haute tension. La corrosion, les dommages m\u00e9caniques, la porosit\u00e9 et les variations de temp\u00e9rature peuvent provoquer des fuites au niveau des brides et d\u2019autres raccordements.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Une fuite r\u00e9currente de SF\u2086 peut entra\u00eener une perte de pression, des appoints r\u00e9guliers et des interventions de maintenance impr\u00e9vues. Le Belzona System Leaflet GSS-14 d\u00e9crit une m\u00e9thode permettant d\u2019\u00e9tanch\u00e9ifier sur site des assemblages \u00e0 brides pr\u00e9sentant des fuites et adapt\u00e9s \u00e0 cette technique, puis de les encapsuler compl\u00e8tement.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Quand le Belzona System Leaflet GSS-14 est-il pertinent ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La m\u00e9thode Belzona SF6-FIX peut \u00eatre pertinente dans les cas suivants :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Fuites autour de brides boulonn\u00e9es d\u2019\u00e9quipements GIS<\/li>\n\n\n\n<li>Baisse r\u00e9currente de la pression du gaz SF\u2086<\/li>\n\n\n\n<li>Fuites dues \u00e0 la corrosion ou \u00e0 des dommages m\u00e9caniques<\/li>\n\n\n\n<li>Surfaces de brides ou assemblages poreux<\/li>\n\n\n\n<li>Situations dans lesquelles le d\u00e9montage entra\u00eenerait un temps d\u2019arr\u00eat important<\/li>\n\n\n\n<li>Fuites qui n\u2019ont auparavant \u00e9t\u00e9 \u00e9tanch\u00e9ifi\u00e9es que temporairement<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019ad\u00e9quation de la m\u00e9thode d\u00e9pend notamment de l\u2019emplacement de la fuite, de la g\u00e9om\u00e9trie de la bride, de la pression du gaz, de la temp\u00e9rature et de l\u2019accessibilit\u00e9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Quels produits Belzona sont utilis\u00e9s ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">GSS-14 mentionne diff\u00e9rents produits Belzona et mat\u00e9riaux de renforcement qui sont utilis\u00e9s en combinaison dans le syst\u00e8me SF6-FIX. La configuration appropri\u00e9e du syst\u00e8me de r\u00e9paration est d\u00e9termin\u00e9e notamment en fonction de l\u2019emplacement et de la cause de la fuite, de la g\u00e9om\u00e9trie et de l\u2019\u00e9tat de la bride, de la pression et de la temp\u00e9rature du gaz, de la pr\u00e9paration de surface disponible et de l\u2019accessibilit\u00e9 de l\u2019assemblage.<\/p>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:32% auto\"><figure class=\"wp-block-media-text__media\"><img decoding=\"async\" width=\"800\" height=\"605\" data-src=\"https:\/\/www.belzona.be\/wp-content\/uploads\/sites\/3\/2022\/12\/Belzona-7311.jpg\" alt=\"\" class=\"wp-image-523 size-full lazyload\" data-srcset=\"https:\/\/www.belzona.be\/fr\/wp-content\/uploads\/sites\/4\/2022\/12\/Belzona-7311.jpg 800w, https:\/\/www.belzona.be\/fr\/wp-content\/uploads\/sites\/4\/2022\/12\/Belzona-7311-300x227.jpg 300w, https:\/\/www.belzona.be\/fr\/wp-content\/uploads\/sites\/4\/2022\/12\/Belzona-7311-768x581.jpg 768w, https:\/\/www.belzona.be\/fr\/wp-content\/uploads\/sites\/4\/2022\/12\/Belzona-7311-416x315.jpg 416w\" data-sizes=\"(max-width: 800px) 100vw, 800px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 800px; --smush-placeholder-aspect-ratio: 800\/605;\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.belzona.be\/fr\/product\/autres-series\/belzona-7311\/\">Belzona 7311 &#8211; Flexible Membrane<\/a><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Belzona 7311 est l\u2019adh\u00e9sif structurel flexible utilis\u00e9 dans le cadre de GSS-14. Il sert \u00e0 assurer l\u2019\u00e9tanch\u00e9it\u00e9, le collage et l\u2019encapsulation de l\u2019assemblage \u00e0 bride. En combinaison avec Belzona 9341, il forme une couche d\u2019\u00e9tanch\u00e9it\u00e9 et de renforcement autour de la bride pr\u00e9sentant une fuite.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:30% auto\"><figure class=\"wp-block-media-text__media\"><img decoding=\"async\" data-src=\"https:\/\/www.belzona.be\/wp-content\/uploads\/sites\/3\/2026\/08\/belzona-9111-cleaner-degreaser-1.webp\" alt=\"\" class=\"wp-image-2304 size-full lazyload\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.belzona.be\/fr\/product\/autres-series\/belzona-9111-cleaner-degreaser\/\">Belzona 9111 \u2013 Cleaner Degreaser<\/a><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Belzona 9111 est utilis\u00e9 dans le cadre de GSS-14 pour nettoyer et d\u00e9graisser les surfaces sur lesquelles le syst\u00e8me de r\u00e9paration est appliqu\u00e9. L\u2019\u00e9limination des salet\u00e9s, graisses et autres contaminants contribue \u00e0 cr\u00e9er une surface adapt\u00e9e \u00e0 l\u2019adh\u00e9rence des mat\u00e9riaux Belzona.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:30% auto\"><figure class=\"wp-block-media-text__media\"><img decoding=\"async\" data-src=\"https:\/\/www.belzona.be\/wp-content\/uploads\/sites\/3\/2026\/07\/belzona-9341.jpg\" alt=\"\" class=\"wp-image-2316 size-full lazyload\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.belzona.be\/fr\/product\/autres-series\/belzona-9341-reinforcement-sheets\/\">Belzona 9341 \u2013 Reinforcement Tape<\/a><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Belzona 9341 est une bande de renforcement appliqu\u00e9e, dans le cadre de GSS-14, en combinaison avec Belzona 7311 autour de la bride et des zones d\u2019adh\u00e9rence adjacentes. Ce mat\u00e9riau fait partie de la structure d\u2019\u00e9tanch\u00e9it\u00e9 et de renforcement du syst\u00e8me SF6-FIX.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:30% auto\"><figure class=\"wp-block-media-text__media\"><img decoding=\"async\" data-src=\"https:\/\/www.belzona.be\/wp-content\/uploads\/sites\/3\/2026\/07\/belzona-9371.jpg\" alt=\"\" class=\"wp-image-2317 size-full lazyload\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<h3 class=\"wp-block-heading\">Belzona 9371 &#8211; Reinforcement Sheet<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Belzona 9371 est un renfort en fibre de verre utilis\u00e9 dans le cadre de GSS-14 pour constituer le syst\u00e8me composite autour de la bride. Il est combin\u00e9 avec Belzona SuperWrap II afin de cr\u00e9er plusieurs couches de renforcement autour de l\u2019assemblage.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:30% auto\"><figure class=\"wp-block-media-text__media\"><img decoding=\"async\" data-src=\"https:\/\/www.belzona.be\/wp-content\/uploads\/sites\/3\/2024\/10\/superwrap-stock-featured-min-1024x576.jpg\" alt=\"\" class=\"wp-image-1693 size-full lazyload\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/576;\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.belzona.be\/fr\/product\/enveloppement-composite-superwrap-ii\/belzona-superwrap-ii\/\">Belzona SuperWrap II<\/a><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Belzona SuperWrap II est le syst\u00e8me composite renforc\u00e9 utilis\u00e9 dans le cadre de GSS-14 pour encapsuler compl\u00e8tement la bride et les zones d\u2019adh\u00e9rence environnantes. En combinaison avec Belzona 9371, il permet de cr\u00e9er une structure composite multicouche qui fait partie de l\u2019\u00e9tanch\u00e9it\u00e9 d\u00e9finitive de la fuite de gaz SF\u2086.<\/p>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Pour les installations ext\u00e9rieures, Belzona 5721 peut \u00e9ventuellement \u00eatre appliqu\u00e9 comme couche de finition r\u00e9sistante aux UV. Le choix de la r\u00e9sine SuperWrap II est adapt\u00e9 \u00e0 la temp\u00e9rature d\u2019application.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Comment fonctionne Belzona SF6-FIX ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Une structure composite renforc\u00e9e est construite autour de la bride qui fuit. Pendant l\u2019application, un tube d\u2019\u00e9vent offre une voie contr\u00f4l\u00e9e au gaz qui s\u2019\u00e9chappe. Cela limite l\u2019accumulation de pression sous la r\u00e9paration qui n\u2019a pas encore durci.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Apr\u00e8s durcissement complet, ce tube permet de v\u00e9rifier si une pression s\u2019accumule. Le tube d\u2019\u00e9vent est ensuite obtur\u00e9 afin d\u2019encapsuler compl\u00e8tement la bride.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Aper\u00e7u g\u00e9n\u00e9ral des \u00e9tapes<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Inspection et pr\u00e9paration<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La bride et les surfaces environnantes sont inspect\u00e9es. Les mat\u00e9riaux de renforcement n\u00e9cessaires sont mesur\u00e9s \u00e0 l\u2019avance et d\u00e9coup\u00e9s aux dimensions requises.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Pr\u00e9paration de surface<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les zones d\u2019adh\u00e9rence sont nettoy\u00e9es, d\u00e9graiss\u00e9es et pr\u00e9par\u00e9es m\u00e9caniquement afin de cr\u00e9er un support adapt\u00e9 aux mat\u00e9riaux Belzona.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Mise en place de la membrane et du tube d\u2019\u00e9vent<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Une membrane respirante est appliqu\u00e9e autour de la bride. Le tube d\u2019\u00e9vent est maintenu en place au moyen d\u2019un support sp\u00e9cialement form\u00e9.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Application des couches d\u2019\u00e9tanch\u00e9it\u00e9 et de renforcement<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Belzona 7311 et Belzona 9341 sont appliqu\u00e9s autour de la bride et des zones d\u2019adh\u00e9rence. Plusieurs couches de Belzona SuperWrap II avec Belzona 9371 sont ensuite constitu\u00e9es.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Contr\u00f4le et fermeture d\u00e9finitive<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Apr\u00e8s durcissement, la r\u00e9paration est contr\u00f4l\u00e9e. Une fois le bon fonctionnement du syst\u00e8me confirm\u00e9, le tube d\u2019\u00e9vent est d\u00e9finitivement obtur\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La m\u00e9thode d\u2019application compl\u00e8te et les exigences techniques sont d\u00e9crites dans le Belzona System Leaflet GSS-14 et dans les Instructions for Use correspondantes.<\/p>\n\n\n\n\n<div id=\"content\">\n    <div class=\"modal fade\" id=\"infoModal\" tabindex=\"-1\" aria-labelledby=\"infoModalLabel\" aria-hidden=\"true\">\n        <div class=\"modal-dialog\">\n            <div class=\"modal-content\">\n                <div class=\"modal-header\">\n                    <h1 class=\"modal-title fs-5\" id=\"infoModalLabel\"><\/h1>\n                    <button type=\"button\" class=\"close\" data-bs-dismiss=\"modal\" aria-label=\"Close\">&times;<\/button>\n                <\/div>\n                <div class=\"modal-body\">\n                                        <script>\nvar 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Contactez-nous !<\/h2><\/h2>\n        <div class=\"buttons\">\n                                <\/div>\n    <\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Exemples pratiques :<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Brides GIS fuyardes \u00e9tanch\u00e9ifi\u00e9es in situ.<\/strong> Dans une installation \u00e9nerg\u00e9tique, une importante fuite de SF\u2086 s\u2019est produite au niveau de plusieurs brides d\u2019une unit\u00e9 GIS. La pression du gaz continuait de baisser et les appoints r\u00e9p\u00e9t\u00e9s n\u2019offraient pas de solution durable.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Une r\u00e9paration traditionnelle aurait n\u00e9cessit\u00e9 la r\u00e9cup\u00e9ration du gaz, un d\u00e9montage important et une mise hors service prolong\u00e9e. Les brides ont donc \u00e9t\u00e9 \u00e9tanch\u00e9ifi\u00e9es sur site selon la m\u00e9thode GSS-14.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Apr\u00e8s la pr\u00e9paration de surface, un tube d\u2019\u00e9vent et une membrane ont \u00e9t\u00e9 install\u00e9s autour de chaque bride. L\u2019assemblage a ensuite \u00e9t\u00e9 enti\u00e8rement encapsul\u00e9 avec Belzona 7311, Belzona 9341 et un syst\u00e8me SuperWrap II renforc\u00e9 avec Belzona 9371.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Selon le cas pratique, la r\u00e9paration a permis d\u2019\u00e9viter un arr\u00eat forc\u00e9, sans n\u00e9cessiter le d\u00e9montage des assemblages \u00e0 brides.<a href=\"https:\/\/khia.belzona.com\/khia\/In-situ_Sealing_of_SF6_Gas_Leak_on_GIS_Equipment_Using_Belzona_SF6-Fix_System\"> Consultez ici le projet complet.<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Fuite r\u00e9currente de SF\u2086 sur une bride GIS \u00e9tanch\u00e9ifi\u00e9e in situ.<\/strong> Dans une installation \u00e9nerg\u00e9tique, une fuite de SF\u2086 persistait depuis longtemps autour d\u2019un assemblage \u00e0 bride. Une pr\u00e9c\u00e9dente \u00e9tanch\u00e9ification au mastic n\u2019avait donn\u00e9 qu\u2019un r\u00e9sultat temporaire, de sorte que le niveau de SF\u2086 devait encore \u00eatre compl\u00e9t\u00e9 environ deux fois par an.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Une r\u00e9paration traditionnelle aurait n\u00e9cessit\u00e9 le d\u00e9montage de l\u2019assemblage. Une r\u00e9paration in situ selon la m\u00e9thode GSS-14 a donc \u00e9t\u00e9 choisie. L\u2019installation a \u00e9t\u00e9 mise hors tension, mais il n\u2019a pas \u00e9t\u00e9 n\u00e9cessaire de vidanger compl\u00e8tement le gaz SF\u2086 pr\u00e9sent.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Apr\u00e8s la pr\u00e9paration de surface, une membrane respirante a \u00e9t\u00e9 plac\u00e9e autour de la bride. L\u2019assemblage a ensuite \u00e9t\u00e9 \u00e9tanch\u00e9ifi\u00e9 avec Belzona 7311 et Belzona 9341, puis enti\u00e8rement encapsul\u00e9 avec Belzona 1982 SuperWrap II et Belzona 9371. La r\u00e9paration a \u00e9t\u00e9 r\u00e9alis\u00e9e en deux jours, pendant l\u2019arr\u00eat de maintenance planifi\u00e9. Aucun travail \u00e0 chaud ni d\u00e9montage de la bride n\u2019a \u00e9t\u00e9 n\u00e9cessaire, et la perte continue de gaz SF\u2086 a \u00e9t\u00e9 stopp\u00e9e. <a href=\"https:\/\/khia.belzona.com\/khia\/SF6_Leak_Contained_with_Belzona_SF6-FIX_Composite_Repair\">Consultez ici le projet complet.<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Points importants \u00e0 prendre en compte<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">GSS-14 ne peut pas \u00eatre appliqu\u00e9 \u00e0 toute fuite de SF\u2086 sans \u00e9valuation pr\u00e9alable. Les facteurs suivants sont notamment importants :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cause et emplacement de la fuite<\/li>\n\n\n\n<li>G\u00e9om\u00e9trie et \u00e9tat de la bride<\/li>\n\n\n\n<li>Pression du gaz et temp\u00e9rature<\/li>\n\n\n\n<li>Pr\u00e9paration de surface r\u00e9alisable<\/li>\n\n\n\n<li>Accessibilit\u00e9 de l\u2019assemblage<\/li>\n\n\n\n<li>Proc\u00e9dures de s\u00e9curit\u00e9 de l\u2019installation<\/li>\n\n\n\n<li>Exp\u00e9rience et formation de l\u2019applicateur<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Conseils concernant une fuite de SF\u2086<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Votre installation pr\u00e9sente-t-elle une perte de pression ou une fuite r\u00e9currente autour d\u2019un assemblage \u00e0 bride ? Dans la mesure du possible, transmettez-nous des photos ainsi que des informations sur le type d\u2019\u00e9quipement, la pression du gaz, la temp\u00e9rature et l\u2019emplacement de la fuite.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Perspect peut \u00e9valuer si la m\u00e9thode GSS-14 est adapt\u00e9e et d\u00e9terminer les mat\u00e9riaux ainsi que la mise en \u0153uvre n\u00e9cessaires pour l\u2019application.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Consultez ou t\u00e9l\u00e9chargez le Belzona System Leaflet GSS-14 pour obtenir la m\u00e9thode technique compl\u00e8te.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.belzona.be\/fr\/applications\/reparation-installation-joints-industriels-belzona-system-leaflets\/\">Consultez \u00e9galement l\u2019aper\u00e7u des Belzona GSS System Leaflets.<\/a><\/p>\n","protected":false},"author":19,"featured_media":2031,"template":"","meta":{"_acf_changed":true,"content-type":""},"categories":[],"class_list":["post-2074","applications","type-applications","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - 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