{"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\/nl\/high-pressure-quartz-tube-sealing-guide\/","title":{"rendered":"Afdichtingsgids voor kwarts hogedrukbuizen"},"content":{"rendered":"<p><strong>Technische gids voor het afdichten van kwartsbuizen onder hoge druk (\u226510MPa)<\/strong><br><strong>Procedures voor selectie, installatie en verificatie van kwarts-, aluminiumoxide- en saffierbuizen<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. Vergelijkingstabel afdichtingstypes<\/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 afdichting<\/th><th>Maximale druk<\/th><th>Temp Bereik<\/th><th>Herbruikbaar<\/th><th>Buisdiameterbereik<\/th><th>Aanbevolen gebruik<\/th><\/tr><\/thead><tbody><tr><td>Metalen flens + conische afdichting<\/td><td>\u226430 MPa<\/td><td>-200 ~ 500 \u00b0C<\/td><td>\u2713<\/td><td>5-100 mm<\/td><td>Hogedrukreactoren die frequente toegang vereisen<\/td><\/tr><tr><td>Afdichting van glasfusie<\/td><td>\u226415 MPa<\/td><td>\u2264450 \u00b0C<\/td><td>\u2717<\/td><td>3-50 mm<\/td><td>Permanente sensorinkapseling<\/td><\/tr><tr><td>Hydraulische koude compressie<\/td><td>\u2264100 MPa<\/td><td>-273 ~ 1000 \u00b0C<\/td><td>\u2717<\/td><td>3-20 mm (dikke wand)<\/td><td>Extreme druk\/cryogene toepassingen<\/td><\/tr><tr><td>Gemetalliseerd solderen<\/td><td>\u226450 MPa<\/td><td>\u22641000 \u00b0C<\/td><td>\u2717<\/td><td>3-20 mm<\/td><td>Betrouwbaarheid voor ruimtevaart en defensie<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. Metalen flens met conische afdichting (aanbevolen methode)<\/strong><\/h3>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>1. Vereiste onderdelen<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Materiaal flens<\/strong>: Inconel 718 (corrosiebestendige nikkellegering)<\/li>\n\n\n\n<li><strong>Pakking<\/strong>: Gegloeid koper (1 mm dik, HV50 hardheid)<\/li>\n\n\n\n<li><strong>Conische hoek<\/strong>20\u00b0 \u00b1 0,5\u00b0 (moet overeenkomen met de precisiegeslepen conus van de buis)<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>2. Installatieprocedure<\/strong><\/h4>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>Voorbereiding<\/strong><\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vlampolijst de uiteinden van kwartsbuizen om microscheurtjes te elimineren<\/li>\n\n\n\n<li>Flens conisch oppervlak spiegelen (Ra \u2264 0,8 \u03bcm)<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>Montage<\/strong><\/h5>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Plaats de koperen pakking op de flensconus<\/li>\n\n\n\n<li>Breng vacu\u00fcmvet voor hoge temperaturen (bijv. Apiezon N) aan op de conus van de buis.<\/li>\n\n\n\n<li>Draai de bouten geleidelijk aan met een hydraulische momentsleutel<\/li>\n<\/ol>\n\n\n\n<p><strong>Schema voor boutkoppels (voor M6-bouten):<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Stadium<\/th><th>Koppel (N-m)<\/th><th>Stilstandtijd<\/th><\/tr><\/thead><tbody><tr><td>Voorbelasting<\/td><td>10<\/td><td>5 min<\/td><\/tr><tr><td>Midden<\/td><td>20<\/td><td>10 min<\/td><\/tr><tr><td>Finale<\/td><td>30<\/td><td>30 min<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>3. Criteria voor lektests<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Helium leksnelheid<\/strong>: \u2264 1\u00d710-\u2078 mbar-L\/s<\/li>\n\n\n\n<li><strong>Drukhoudtest<\/strong>: 15 MPa gedurende 1 uur, drukval &lt;1%<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. Veiligheidsmaatregelen<\/strong><\/h3>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>1. Explosiebescherming<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>6 mm polycarbonaat blast shield rond de buis (met IR-cameravenster optioneel)<\/li>\n\n\n\n<li>Installeer mechanische overdrukklep (instelpunt = 12 MPa)<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>2. Operationele richtlijnen<\/strong><\/h4>\n\n\n\n<p><strong>Niet doen:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u2717 Snelle drukverhoging (gebruik \u2264 1 MPa\/min drukverhoging)<\/li>\n\n\n\n<li>\u2717 Overdruk bij omgevingstemperatuur (voorverwarmen tot \u2265 100 \u00b0C voor het onder druk brengen)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. Casestudies over mislukkingen<\/strong><\/h3>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Geval 1: Lekke flensafdichting (POSTECH-geval)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Uitgave<\/strong>: Heliumlekkage stijgt bij 8 MPa<\/li>\n\n\n\n<li><strong>Oorzaak<\/strong>: Pakking was niet uitgegloeid; hoge hardheid verhinderde juiste vervorming<\/li>\n\n\n\n<li><strong>Oplossing<\/strong>: Overgeschakeld op HV50 zacht koper; lekkage verminderd met 100\u00d7<\/li>\n<\/ul>\n\n\n\n<p><strong>Geval 2: Buisbreuk (NIMS Japan Lab)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Uitgave<\/strong>: Scheuren in de lengterichting bij 12 MPa<\/li>\n\n\n\n<li><strong>Oorzaak<\/strong>: Ondergrondse fout van lasersnijden bleef onopgemerkt<\/li>\n\n\n\n<li><strong>Verbetering<\/strong>: Leverancier moet nu het volgende leveren <strong>inspectierapport met fluorescente penetrant<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5. Technische ondersteuning<\/strong><\/h3>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Leverancier van kwartsbuizen | Aanpasbare buizen en kachels | GlobalQT<\/strong><br>Voor verdere raadpleging op basis van specifieke testparameters (bijv. CO\u2082-fase, hellingshoek, enz.), gelieve <a href=\"https:\/\/globalquartztube.com\/nl\/contact\/\">Neem contact met ons op<\/a>.<\/p>\n\n\n\n<p>Dit document dient door de experimentator te worden herzien op basis van specifieke experimentele parameters (bijv. CO\u2082-fasetoestand, verwarmingssnelheid, enz.)<\/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\/nl\/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&hellip;","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\/nl\/wp-json\/wp\/v2\/posts\/6152","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/globalquartztube.com\/nl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/globalquartztube.com\/nl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/nl\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/nl\/wp-json\/wp\/v2\/comments?post=6152"}],"version-history":[{"count":5,"href":"https:\/\/globalquartztube.com\/nl\/wp-json\/wp\/v2\/posts\/6152\/revisions"}],"predecessor-version":[{"id":6175,"href":"https:\/\/globalquartztube.com\/nl\/wp-json\/wp\/v2\/posts\/6152\/revisions\/6175"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/nl\/wp-json\/wp\/v2\/media\/6158"}],"wp:attachment":[{"href":"https:\/\/globalquartztube.com\/nl\/wp-json\/wp\/v2\/media?parent=6152"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/globalquartztube.com\/nl\/wp-json\/wp\/v2\/categories?post=6152"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/globalquartztube.com\/nl\/wp-json\/wp\/v2\/tags?post=6152"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/globalquartztube.com\/nl\/wp-json\/wp\/v2\/ppma_author?post=6152"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}