{"id":6152,"date":"2025-07-17T14:17:36","date_gmt":"2025-07-17T06:17:36","guid":{"rendered":"https:\/\/globalquartztube.com\/?p=6152"},"modified":"2025-08-12T14:56:14","modified_gmt":"2025-08-12T06:56:14","slug":"high-pressure-quartz-tube-sealing-guide","status":"publish","type":"post","link":"https:\/\/globalquartztube.com\/fr\/high-pressure-quartz-tube-sealing-guide\/","title":{"rendered":"Guide d'\u00e9tanch\u00e9it\u00e9 des tubes en quartz \u00e0 haute pression"},"content":{"rendered":"<p><strong>Guide technique pour l'\u00e9tanch\u00e9it\u00e9 des tubes en quartz dans des conditions de haute pression (\u226510MPa)<\/strong><br><strong>Proc\u00e9dures de s\u00e9lection, d'installation et de v\u00e9rification des tubes en quartz, alumine et saphir<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. Tableau de comparaison des types de joints<\/strong><\/h3>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Type de joint<\/th><th>Pression maximale<\/th><th>Plage de temp\u00e9rature<\/th><th>R\u00e9utilisable<\/th><th>Gamme de diam\u00e8tres de tubes<\/th><th>Cas d'utilisation recommand\u00e9<\/th><\/tr><\/thead><tbody><tr><td>Bride m\u00e9tallique + joint conique<\/td><td>\u226430 MPa<\/td><td>-200 ~ 500 \u00b0C<\/td><td>\u2713<\/td><td>5-100 mm<\/td><td>R\u00e9acteurs \u00e0 haute pression n\u00e9cessitant un acc\u00e8s fr\u00e9quent<\/td><\/tr><tr><td>Verre Fusion Seal<\/td><td>\u226415 MPa<\/td><td>\u2264450 \u00b0C<\/td><td>\u2717<\/td><td>3-50 mm<\/td><td>Encapsulation permanente du capteur<\/td><\/tr><tr><td>Compression hydraulique \u00e0 froid<\/td><td>\u2264100 MPa<\/td><td>-273 ~ 1000 \u00b0C<\/td><td>\u2717<\/td><td>3-20 mm (paroi \u00e9paisse)<\/td><td>Applications \u00e0 pression extr\u00eame\/cryog\u00e8ne<\/td><\/tr><tr><td>Brasage m\u00e9tallis\u00e9<\/td><td>\u226450 MPa<\/td><td>\u22641000 \u00b0C<\/td><td>\u2717<\/td><td>3-20 mm<\/td><td>Fiabilit\u00e9 de niveau a\u00e9rospatial et d\u00e9fense<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. Bride m\u00e9tallique avec joint conique (m\u00e9thode recommand\u00e9e)<\/strong><\/h3>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>1. Composants requis<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Mat\u00e9riau de la bride<\/strong>: Inconel 718 (alliage de nickel r\u00e9sistant \u00e0 la corrosion)<\/li>\n\n\n\n<li><strong>Joint d'\u00e9tanch\u00e9it\u00e9<\/strong>: Cuivre recuit (1 mm d'\u00e9paisseur, duret\u00e9 HV50)<\/li>\n\n\n\n<li><strong>Angle conique<\/strong>20\u00b0 \u00b1 0,5\u00b0 (doit correspondre \u00e0 la conicit\u00e9 du tube, rectifi\u00e9e avec pr\u00e9cision)<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>2. Proc\u00e9dure d'installation<\/strong><\/h4>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>\u2460 Pr\u00e9paration<\/strong><\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Polissage \u00e0 la flamme des extr\u00e9mit\u00e9s des tubes en quartz pour \u00e9liminer les microfissures<\/li>\n\n\n\n<li>Surface conique de la bride polie miroir (Ra \u2264 0,8 \u03bcm).<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>\u2461 Assembl\u00e9e<\/strong><\/h5>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Placer le joint en cuivre sur le c\u00f4ne de la bride<\/li>\n\n\n\n<li>Appliquer de la graisse \u00e0 vide \u00e0 haute temp\u00e9rature (par exemple, Apiezon N) sur le c\u00f4ne du tube.<\/li>\n\n\n\n<li>Serrer les boulons progressivement \u00e0 l'aide d'une cl\u00e9 dynamom\u00e9trique hydraulique.<\/li>\n<\/ol>\n\n\n\n<p><strong>Tableau des couples de serrage des boulons (pour les boulons M6) :<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Stade<\/th><th>Couple (N-m)<\/th><th>Temps d'attente<\/th><\/tr><\/thead><tbody><tr><td>Pr\u00e9charge<\/td><td>10<\/td><td>5 min<\/td><\/tr><tr><td>Moyen<\/td><td>20<\/td><td>10 min<\/td><\/tr><tr><td>Finale<\/td><td>30<\/td><td>30 minutes<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>3. Crit\u00e8res d'essai d'\u00e9tanch\u00e9it\u00e9<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Taux de fuite d'h\u00e9lium<\/strong>: \u2264 1\u00d710-\u2078 mbar-L\/s<\/li>\n\n\n\n<li><strong>Essai de maintien de la pression<\/strong>: 15 MPa pendant 1 heure, perte de charge &lt;1%<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. Pr\u00e9cautions de s\u00e9curit\u00e9<\/strong><\/h3>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>1. Protection contre l'explosion<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bouclier anti-explosion en polycarbonate de 6 mm autour du tube (avec fen\u00eatre pour cam\u00e9ra IR en option)<\/li>\n\n\n\n<li>Installer une soupape de d\u00e9charge m\u00e9canique (point de consigne = 12 MPa)<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>2. Lignes directrices op\u00e9rationnelles<\/strong><\/h4>\n\n\n\n<p><strong>Ne pas faire :<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u2717 Pressurisation rapide (utiliser une rampe de pression \u2264 1 MPa\/min)<\/li>\n\n\n\n<li>\u2717 Surpression \u00e0 temp\u00e9rature ambiante (pr\u00e9chauffer \u00e0 \u2265 100 \u00b0C avant la mise sous pression)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. \u00c9tudes de cas d'\u00e9chec<\/strong><\/h3>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Cas 1 : Fuite d'un joint de bride (cas POSTECH)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Enjeu<\/strong>: Le taux de fuite de l'h\u00e9lium augmente \u00e0 8 MPa<\/li>\n\n\n\n<li><strong>Cause premi\u00e8re<\/strong>: Le joint n'a pas \u00e9t\u00e9 recuit ; la duret\u00e9 \u00e9lev\u00e9e a emp\u00each\u00e9 une d\u00e9formation correcte.<\/li>\n\n\n\n<li><strong>Solution<\/strong>: Passage au cuivre doux HV50 ; fuite r\u00e9duite de 100\u00d7<\/li>\n<\/ul>\n\n\n\n<p><strong>Cas 2 : Rupture de tube (NIMS Japan Lab)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Enjeu<\/strong>: Fissuration longitudinale \u00e0 12 MPa<\/li>\n\n\n\n<li><strong>Cause premi\u00e8re<\/strong>: Un d\u00e9faut de subsurface d\u00fb \u00e0 la d\u00e9coupe au laser n'a pas \u00e9t\u00e9 d\u00e9tect\u00e9<\/li>\n\n\n\n<li><strong>Am\u00e9lioration<\/strong>: Le fournisseur doit d\u00e9sormais fournir <strong>rapport d'inspection par ressuage<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5. Assistance technique<\/strong><\/h3>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Fournisseur de tubes en quartz | Tubes et r\u00e9chauffeurs personnalisables | GlobalQT<\/strong><br>Pour une consultation plus approfondie sur la base de param\u00e8tres d'essai sp\u00e9cifiques (par exemple, phase CO\u2082, vitesse de rampe, etc. <a href=\"https:\/\/globalquartztube.com\/fr\/contact\/\">Contactez-nous<\/a>.<\/p>\n\n\n\n<p>Ce document doit \u00eatre r\u00e9vis\u00e9 par l'exp\u00e9rimentateur en fonction de param\u00e8tres exp\u00e9rimentaux sp\u00e9cifiques (par exemple, \u00e9tat de phase du CO\u2082, vitesse de chauffage, etc.)<\/p>","protected":false},"excerpt":{"rendered":"<p>Technical Guide for Sealing Quartz Tubes in High-Pressure Conditions (\u226510MPa)Selection, Installation &amp; Verification Procedures for Quartz, Alumina, and Sapphire Tubes 1. Seal Type Comparison Table Seal Type Max Pressure Temp Range Reusable Tube Diameter Range Recommended Use Case Metal Flange + Conical Seal \u226430\u202fMPa -200\u202f~\u202f500\u202f\u00b0C \u2713 5\u2013100\u202fmm High-pressure reactors requiring frequent access Glass Fusion Seal [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6158,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"High-Pressure Quartz Tube Sealing Guide","_seopress_titles_desc":"Technical guide for sealing quartz tubes under \u226510MPa pressure. Includes method selection, installation steps, leak testing, and safety measures for high-pressure use.","_seopress_robots_index":"","_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"ppma_author":[21],"class_list":["post-6152","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","author-nola"],"uagb_featured_image_src":{"full":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/High-Pressure-Quartz-Tube-Sealing-Guide.jpg",955,945,false],"thumbnail":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/High-Pressure-Quartz-Tube-Sealing-Guide-150x150.jpg",150,150,true],"medium":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/High-Pressure-Quartz-Tube-Sealing-Guide-300x297.jpg",300,297,true],"medium_large":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/High-Pressure-Quartz-Tube-Sealing-Guide-768x760.jpg",768,760,true],"large":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/High-Pressure-Quartz-Tube-Sealing-Guide.jpg",955,945,false],"1536x1536":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/High-Pressure-Quartz-Tube-Sealing-Guide.jpg",955,945,false],"2048x2048":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/High-Pressure-Quartz-Tube-Sealing-Guide.jpg",955,945,false],"trp-custom-language-flag":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/High-Pressure-Quartz-Tube-Sealing-Guide-12x12.jpg",12,12,true]},"uagb_author_info":{"display_name":"Nola Zhang","author_link":"https:\/\/globalquartztube.com\/fr\/author\/nola\/"},"uagb_comment_info":19,"uagb_excerpt":"Technical Guide for Sealing Quartz Tubes in High-Pressure Conditions (\u226510MPa)Selection, Installation &amp; Verification Procedures for Quartz, Alumina, and Sapphire Tubes 1. Seal Type Comparison Table Seal Type Max Pressure Temp Range Reusable Tube Diameter Range Recommended Use Case Metal Flange + Conical Seal \u226430\u202fMPa -200\u202f~\u202f500\u202f\u00b0C \u2713 5\u2013100\u202fmm High-pressure reactors requiring frequent access Glass Fusion Seal\u2026","authors":[{"term_id":21,"user_id":1,"is_guest":0,"slug":"nola","display_name":"Nola Zhang","avatar_url":{"url":"https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/06\/Casper-Peng.webp","url2x":"https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/06\/Casper-Peng.webp"},"0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":""}],"_links":{"self":[{"href":"https:\/\/globalquartztube.com\/fr\/wp-json\/wp\/v2\/posts\/6152","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/globalquartztube.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/globalquartztube.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/fr\/wp-json\/wp\/v2\/comments?post=6152"}],"version-history":[{"count":5,"href":"https:\/\/globalquartztube.com\/fr\/wp-json\/wp\/v2\/posts\/6152\/revisions"}],"predecessor-version":[{"id":6175,"href":"https:\/\/globalquartztube.com\/fr\/wp-json\/wp\/v2\/posts\/6152\/revisions\/6175"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/fr\/wp-json\/wp\/v2\/media\/6158"}],"wp:attachment":[{"href":"https:\/\/globalquartztube.com\/fr\/wp-json\/wp\/v2\/media?parent=6152"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/globalquartztube.com\/fr\/wp-json\/wp\/v2\/categories?post=6152"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/globalquartztube.com\/fr\/wp-json\/wp\/v2\/tags?post=6152"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/globalquartztube.com\/fr\/wp-json\/wp\/v2\/ppma_author?post=6152"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}