{"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\/hr\/high-pressure-quartz-tube-sealing-guide\/","title":{"rendered":"Vodi\u010d za brtvljenje kvarcnih cijevi visokog tlaka"},"content":{"rendered":"<p><strong>Tehni\u010dki vodi\u010d za brtvljenje kvarcnih cijevi pod visokim pritiskom (\u226510 MPa)<\/strong><br><strong>Postupci odabira, instalacije i verifikacije za kvarcne, aluminske i safirne cijevi<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. Tablica usporedbe tipova brtvi<\/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>Tip brtve<\/th><th>Maksimalni tlak<\/th><th>Raspon temperatura<\/th><th>Vi\u0161ekratni<\/th><th>Raspon promjera cijevi<\/th><th>Preporu\u010deni slu\u010daj upotrebe<\/th><\/tr><\/thead><tbody><tr><td>Metalni prirubnik + konusno brtvenje<\/td><td>\u226430 MPa<\/td><td>-200\u202f~\u202f500\u202f\u00b0C<\/td><td>\u2713<\/td><td>5\u2013100\u2009mm<\/td><td>Visokotla\u010dni reaktori koji zahtijevaju \u010dest pristup<\/td><\/tr><tr><td>Zaptiva\u010d za fuziju stakla<\/td><td>\u226415 MPa<\/td><td>\u2264450 \u00b0C<\/td><td>\u2717<\/td><td>3\u201350 mm<\/td><td>Permanentna enkapsulacija senzora<\/td><\/tr><tr><td>Hidrauli\u010dna hladna kompresija<\/td><td>\u2264100 MPa<\/td><td>-273\u202f~\u202f1000\u202f\u00b0C<\/td><td>\u2717<\/td><td>3\u201320 mm (debeog zida)<\/td><td>Ekstremni tlak\/kriogenske primjene<\/td><\/tr><tr><td>Metalizirano lemljenje<\/td><td>\u226450 MPa<\/td><td>\u22641000 \u00b0C<\/td><td>\u2717<\/td><td>3\u201320 mm<\/td><td>Pouzdanost zrakoplovne i obrambene razine<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. Metalni prirubnik s konusnom brtvom (preporu\u010dena metoda)<\/strong><\/h3>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>1. Obavezni sastojci<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Materijal prirubnice<\/strong>: Inconel 718 (nikl-legura otporna na koroziju)<\/li>\n\n\n\n<li><strong>Zaptivka za brtvljenje<\/strong>: Kaljeno bakar (debljine 1 mm, tvrdo\u0107a HV50)<\/li>\n\n\n\n<li><strong>Koni\u010dni kut<\/strong>: 20\u00b0 \u00b1 0,5\u00b0 (mora odgovarati konusnom obliku cijevi precizno bru\u0161enom)<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>2. Postupak instalacije<\/strong><\/h4>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>\u2460 Priprema<\/strong><\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Izbrusite rubove kvarcnih cijevi plamenom kako biste uklonili mikropukotine.<\/li>\n\n\n\n<li>Zrcalno polirana kosa ravnina prirubnice (Ra \u2264 0,8 \u03bcm)<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>\u2461 Sklapanje<\/strong><\/h5>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Postavite bakrenu brtvu na sto\u017eac prirubnice.<\/li>\n\n\n\n<li>Nanesite vakuumsku mast za visoke temperature (npr. Apiezon N) na su\u017eeni dio cijevi.<\/li>\n\n\n\n<li>Zategnite vijke postupno pomo\u0107u hidrauli\u010dkog momentnog klju\u010da.<\/li>\n<\/ol>\n\n\n\n<p><strong>Tablica okretnog momenta vijaka (za M6 vijke):<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Scena<\/th><th>Okretni moment (N\u00b7m)<\/th><th>Vrijeme zadr\u017eavanja<\/th><\/tr><\/thead><tbody><tr><td>Predutovar<\/td><td>10<\/td><td>5 min<\/td><\/tr><tr><td>Srednji<\/td><td>20<\/td><td>10 min<\/td><\/tr><tr><td>Kona\u010dno<\/td><td>30<\/td><td>30 min<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>3. Kriteriji za ispitivanje curenja<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Stopa curenja helija<\/strong>: \u2264\u202f1\u00d710\u207b\u2078\u202fmbar\u00b7L\/s<\/li>\n\n\n\n<li><strong>Test odr\u017eavanja tlaka<\/strong>: 15 MPa tijekom 1 sata, pad tlaka &lt;1%<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. Sigurnosne mjere opreza<\/strong><\/h3>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>1. Za\u0161tita od eksplozije<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>6 mm polikarbonatni za\u0161titni \u0161tit oko cijevi (s prozorom za IR kameru po \u017eelji)<\/li>\n\n\n\n<li>Ugradite mehani\u010dki ventil za odzra\u010divanje pod pritiskom (podesiva vrijednost = 12 MPa)<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>2. Operativne smjernice<\/strong><\/h4>\n\n\n\n<p><strong>Ne:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u2717 Brzo punjenje (koristite rampu tlaka \u2264 1 MPa\/min)<\/li>\n\n\n\n<li>\u2717 Prekomjerni tlak na sobnoj temperaturi (prethodno zagrijati na \u2265 100 \u00b0C prije tlakovanja)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. Studije slu\u010dajeva neuspjeha<\/strong><\/h3>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Slu\u010daj 1: curenje brtve na prirubnici (POSTECH slu\u010daj)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Izdanje<\/strong>: Brzina curenja helija naglo je porasla na 8 MPa<\/li>\n\n\n\n<li><strong>Osnovni uzrok<\/strong>Zaptivka nije bila \u017eareno otpu\u0161tena; visoka tvrdo\u0107a sprije\u010dila je pravilnu deformaciju.<\/li>\n\n\n\n<li><strong>Rje\u0161enje<\/strong>: Pre\u0161lo se na meki bakar HV50; curenje smanjeno za 100\u00d7<\/li>\n<\/ul>\n\n\n\n<p><strong>Slu\u010daj 2: Puknu\u0107e cijevi (NIMS Japan Lab)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Izdanje<\/strong>: Uzdu\u017eno pucanje pri 12 MPa<\/li>\n\n\n\n<li><strong>Osnovni uzrok<\/strong>: Skrivena gre\u0161ka nastala laserskim rezanjem ostala je neotkrivena<\/li>\n\n\n\n<li><strong>Pobolj\u0161anje<\/strong>: Dobavlja\u010d sada mora osigurati <strong>Izvje\u0161\u0107e o fluorescentnoj penetrometrijskoj inspekciji<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5. Tehni\u010dka podr\u0161ka<\/strong><\/h3>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Dobavlja\u010d kvarcnih cijevi | Prilagodljive cijevi i grija\u010di | GlobalQT<\/strong><br>Za daljnje savjetovanje na temelju specifi\u010dnih parametara testa (npr. faza CO\u2082, brzina uzbrdice itd.), molimo <a href=\"https:\/\/globalquartztube.com\/hr\/contact\/\">Kontaktirajte nas<\/a>.<\/p>\n\n\n\n<p>Ovaj dokument bi trebao biti revidiran od strane eksperimentatora na temelju specifi\u010dnih eksperimentalnih parametara (npr. stanje faze CO\u2082, brzina zagrijavanja itd.).<\/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\/hr\/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\/hr\/wp-json\/wp\/v2\/posts\/6152","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/globalquartztube.com\/hr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/globalquartztube.com\/hr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/hr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/hr\/wp-json\/wp\/v2\/comments?post=6152"}],"version-history":[{"count":5,"href":"https:\/\/globalquartztube.com\/hr\/wp-json\/wp\/v2\/posts\/6152\/revisions"}],"predecessor-version":[{"id":6175,"href":"https:\/\/globalquartztube.com\/hr\/wp-json\/wp\/v2\/posts\/6152\/revisions\/6175"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/hr\/wp-json\/wp\/v2\/media\/6158"}],"wp:attachment":[{"href":"https:\/\/globalquartztube.com\/hr\/wp-json\/wp\/v2\/media?parent=6152"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/globalquartztube.com\/hr\/wp-json\/wp\/v2\/categories?post=6152"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/globalquartztube.com\/hr\/wp-json\/wp\/v2\/tags?post=6152"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/globalquartztube.com\/hr\/wp-json\/wp\/v2\/ppma_author?post=6152"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}