{"id":3167,"date":"2026-03-27T14:50:24","date_gmt":"2026-03-27T13:50:24","guid":{"rendered":"https:\/\/www.nickelcasting.com\/?page_id=3167"},"modified":"2026-03-27T14:52:35","modified_gmt":"2026-03-27T13:52:35","slug":"blind","status":"publish","type":"page","link":"https:\/\/www.nickelcasting.com\/fr\/product-forms\/flanges\/blind\/","title":{"rendered":"Brides aveugles"},"content":{"rendered":"
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\n Accueil<\/a> \n \/<\/span> \n Formulaires de produits<\/a>\n \/<\/span> \n Brides<\/a>\n \/<\/span> \n Brides aveugles\n <\/div>\n\n
\n

Brides aveugles en alliage de nickel<\/h1>\n \n

\n Lorsque vous avez besoin de terminer en toute s\u00e9curit\u00e9 un syst\u00e8me de tuyauterie, de fermer un r\u00e9servoir sous pression ou d'isoler une ligne pour une maintenance critique, les brides aveugles (BLRF \/ BLRTJ) sont la sauvegarde ultime. 28Nickel fabrique des brides aveugles en alliage de nickel forg\u00e9 de premi\u00e8re qualit\u00e9, con\u00e7ues pour r\u00e9sister aux pressions internes les plus extr\u00eames et aux fluides stagnants hautement corrosifs dans les environnements de traitement chimique, de marine offshore, de p\u00e9trole et de gaz.\n <\/p>\n <\/div>\n\n

Nuances d'alliage disponibles pour les brides aveugles<\/h2>\n

\n Comme les brides aveugles n'ont pas d'al\u00e9sage central, elles absorbent les contraintes de flexion les plus \u00e9lev\u00e9es de tous les types de brides. En outre, les conduites en cul-de-sac accumulent souvent des fluides stagnants et corrosifs. Le choix d'un superalliage \u00e0 haute r\u00e9sistance, r\u00e9sistant aux piq\u00fbres, tel que le Hastelloy C-276<\/a> ou Inconel 718 - est essentielle pour pr\u00e9venir les d\u00e9faillances catastrophiques.\n <\/p>\n \n

\n

S\u00e9lectionnez une qualit\u00e9 pour voir les sp\u00e9cifications du mat\u00e9riau :<\/h3>\n
\n Inconel\u00ae 625 (excellente r\u00e9sistance aux piq\u00fbres)<\/a>\n Inconel\u00ae 718 (haute limite d'\u00e9lasticit\u00e9\/pression)<\/a>\n \n Monel\u00ae 400 (acide HF et eau de mer)<\/a>\n Monel\u00ae K-500 (Marine\/Gaz acides)<\/a>\n \n Hastelloy\u00ae C-276 (traitement chimique s\u00e9v\u00e8re)<\/a>\n Waspaloy\u00ae (\u00e9chappements \u00e0 tr\u00e8s haute temp\u00e9rature)<\/a>\n <\/div>\n <\/div>\n\n

Caract\u00e9ristiques techniques et variantes<\/h2>\n

\n Outre les brides pleines standard, nous proposons des configurations aveugles sp\u00e9cialis\u00e9es, adapt\u00e9es aux tests de pipelines, \u00e0 l'instrumentation et \u00e0 la maintenance de routine.\n <\/p>\n \n

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\ud83d\uded1<\/div>\n

Brides aveugles standard<\/h3>\n <\/div>\n

Disques forg\u00e9s solides utilis\u00e9s pour sceller les extr\u00e9mit\u00e9s des syst\u00e8mes de tuyauterie ou les ouvertures des appareils \u00e0 pression. Ils sont boulonn\u00e9s contre une bride correspondante (g\u00e9n\u00e9ralement un col de soudure ou une bride \u00e0 embo\u00eetement) pour cr\u00e9er un joint tr\u00e8s s\u00fbr et \u00e9tanche \u00e0 la pression.<\/p>\n <\/div>\n\n

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\ud83d\udc53<\/div>\n

Stores \u00e0 lunettes (Figure-8)<\/h3>\n <\/div>\n

Dispositif de s\u00e9curit\u00e9 sp\u00e9cialis\u00e9 compos\u00e9 d'une plaque pleine (pour fermer la ligne) et d'une plaque annulaire (pour permettre l'\u00e9coulement) reli\u00e9es par une bande. Utilis\u00e9 dans les syst\u00e8mes n\u00e9cessitant une isolation fr\u00e9quente et absolue pour la maintenance.<\/p>\n <\/div>\n\n

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\ud83d\udeb0<\/div>\n

Brides aveugles taraud\u00e9es<\/h3>\n <\/div>\n

Brides aveugles standard usin\u00e9es avec pr\u00e9cision par CNC et dot\u00e9es d'un trou central filet\u00e9 (NPT). Elles sont indispensables pour installer des manom\u00e8tres, des vannes de purge ou des conduites de drainage \u00e0 l'extr\u00e9mit\u00e9 d'une tuyauterie.<\/p>\n <\/div>\n\n

\n
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\u2699\ufe0f<\/div>\n

R\u00e9sistance aux pressions extr\u00eames<\/h3>\n <\/div>\n

En raison de l'absence d'ouverture centrale, les brides aveugles sont structurellement le type de bride le plus solide. Lorsqu'elles sont forg\u00e9es \u00e0 partir d'alliages \u00e0 haute limite d'\u00e9lasticit\u00e9 comme les Inconel 718<\/a>, ils peuvent facilement supporter des tests de pression hydrostatique s\u00e9v\u00e8res et un service continu \u00e0 haute pression.<\/p>\n <\/div>\n\n <\/div>\n\n

Sp\u00e9cifications et dimensions standard<\/div>\n
\n \n \n \n \n \n \n \n \n \n
Cat\u00e9gorie de sp\u00e9cification<\/th>\n D\u00e9tails et normes<\/th>\n <\/tr>\n <\/thead>\n
Normes dimensionnelles<\/strong><\/td>\n ASME \/ ANSI B16.5 (jusqu'\u00e0 24\"), ASME B16.47 S\u00e9ries A & B (grand diam\u00e8tre > 24\")<\/td>\n <\/tr>\n
Classes de pression<\/strong><\/td>\n 150#, 300#, 600#, 900#, 1500#, 2500# (Sur mesure<\/a> \u00e9paisseurs haute pression disponibles)<\/td>\n <\/tr>\n
Taille de l'al\u00e9sage<\/strong><\/td>\n Aucun (disque plein). *Sauf sp\u00e9cification d'une bride aveugle taraud\u00e9e avec filetage NPT.<\/td>\n <\/tr>\n
Face de la bride<\/strong><\/td>\n Face sur\u00e9lev\u00e9e (BLRF), face plate (BLFF), joint \u00e0 anneau (BLRTJ) pour une \u00e9tanch\u00e9it\u00e9 maximale.<\/td>\n <\/tr>\n
Processus de fabrication<\/strong><\/td>\n Forg\u00e9 \u00e0 chaud et usin\u00e9 avec pr\u00e9cision par CNC. Jamais moul\u00e9.<\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n\n
\n

Besoin d'aveugler une ligne en toute s\u00e9curit\u00e9 ?<\/h3>\n

Lorsque vous demandez un devis, veuillez pr\u00e9ciser la nuance d'alliage (par exemple, Hastelloy C-276), le diam\u00e8tre nominal du tube (NPS), la classe de pression (par exemple, 900#) et le rev\u00eatement de la bride (par exemple, RTJ). Si vous avez besoin d'un raccord taraud\u00e9, veuillez indiquer la taille de filetage NPT requise.<\/p>\n Obtenir un devis pour une bride aveugle<\/a>\n <\/div>\n\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

Home \/ Product Forms \/ Flanges \/ Blind Flanges Nickel Alloy Blind Flanges When you need to securely terminate a piping system, blank off a pressure vessel, or isolate a line for critical maintenance, Blind Flanges (BLRF \/ BLRTJ) are the ultimate safeguard. 28Nickel manufactures premium forged nickel alloy blind flanges engineered to withstand the […]<\/p>","protected":false},"author":1,"featured_media":0,"parent":3145,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"full-width-container","site-content-style":"unboxed","site-sidebar-style":"unboxed","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":"disabled","footer-sml-layout":"","theme-transparent-header-meta":"default","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":""},"class_list":["post-3167","page","type-page","status-publish","hentry"],"spectra_custom_meta":{"_edit_lock":["1774619451:1"],"_edit_last":["1"],"_elementor_edit_mode":["builder"],"_astra_content_layout_flag":["disabled"],"ast-title-bar-display":["disabled"],"ast-featured-img":["disabled"],"site-content-layout":["page-builder"],"ast-site-content-layout":["full-width-container"],"site-sidebar-layout":["no-sidebar"],"_elementor_template_type":["wp-page"],"_elementor_version":["3.33.2"],"_elementor_pro_version":["3.32.3"],"rank_math_seo_score":["70"],"rank_math_internal_links_processed":["1"],"_wp_page_template":["default"],"_elementor_data":["[{\"id\":\"58f435c\",\"elType\":\"container\",\"settings\":{\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"3a3bb3e\"}]},\"elements\":[{\"id\":\"94dc55e\",\"elType\":\"widget\",\"settings\":{\"html\":\"\\n\\n

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\\n Home<\\\/a> \\n \\\/<\\\/span> \\n Product Forms<\\\/a>\\n \\\/<\\\/span> \\n Flanges<\\\/a>\\n \\\/<\\\/span> \\n Blind Flanges\\n <\\\/div>\\n\\n
\\n

Nickel Alloy Blind Flanges<\\\/h1>\\n \\n

\\n When you need to securely terminate a piping system, blank off a pressure vessel, or isolate a line for critical maintenance, Blind Flanges (BLRF \\\/ BLRTJ) are the ultimate safeguard. 28Nickel manufactures premium forged nickel alloy blind flanges engineered to withstand the most extreme internal pressures and highly corrosive stagnant media in chemical processing, offshore marine, and oil & gas environments.\\n <\\\/p>\\n <\\\/div>\\n\\n

Available Alloy Grades for Blind Flanges<\\\/h2>\\n

\\n Because blind flanges lack a center bore, they absorb the highest bending stress of any flange type. Furthermore, dead-end lines often accumulate stagnant, corrosive fluids. Selecting a high-strength, pitting-resistant superalloy\\u2014such as Hastelloy C-276 or Inconel 718\\u2014is critical to preventing catastrophic failure.\\n <\\\/p>\\n \\n

\\n

Select a Grade to View Material Specs:<\\\/h3>\\n
\\n Inconel\\u00ae 625 (Excellent Pitting Resistance)<\\\/a>\\n Inconel\\u00ae 718 (High Yield Strength\\\/Pressure)<\\\/a>\\n \\n Monel\\u00ae 400 (HF Acid & Seawater)<\\\/a>\\n Monel\\u00ae K-500 (Marine\\\/Sour Gas)<\\\/a>\\n \\n Hastelloy\\u00ae C-276 (Severe Chemical Processing)<\\\/a>\\n Waspaloy\\u00ae (Extreme High Temp Exhausts)<\\\/a>\\n <\\\/div>\\n <\\\/div>\\n\\n

Engineering Features & Variations<\\\/h2>\\n

\\n Beyond standard solid blanking flanges, we provide specialized blind configurations tailored for pipeline testing, instrumentation, and routine maintenance.\\n <\\\/p>\\n \\n

\\n \\n
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\\ud83d\\uded1<\\\/div>\\n

Standard Blind Flanges<\\\/h3>\\n <\\\/div>\\n

Solid forged disks used to seal the ends of piping systems or pressure vessel openings. They are bolted against a mating flange (typically a weld neck or slip-on) to create a highly secure, pressure-tight seal.<\\\/p>\\n <\\\/div>\\n\\n

\\n
\\n
\\ud83d\\udc53<\\\/div>\\n

Spectacle Blinds (Figure-8)<\\\/h3>\\n <\\\/div>\\n

A specialized safety device featuring a solid plate (to blind the line) and a ring plate (to allow flow) connected by a web. Used in systems requiring frequent, absolute isolation for maintenance.<\\\/p>\\n <\\\/div>\\n\\n

\\n
\\n
\\ud83d\\udeb0<\\\/div>\\n

Tapped Blind Flanges<\\\/h3>\\n <\\\/div>\\n

Standard blind flanges that have been precision CNC-machined with a threaded center hole (NPT). These are essential for installing pressure gauges, bleed valves, or drainage lines at the end of a pipe run.<\\\/p>\\n <\\\/div>\\n\\n

\\n
\\n
\\u2699\\ufe0f<\\\/div>\\n

Extreme Pressure Resistance<\\\/h3>\\n <\\\/div>\\n

Due to the lack of a center opening, blind flanges are structurally the strongest flange type. When forged from high-yield alloys like Inconel 718, they can easily manage severe hydrostatic pressure testing and continuous high-pressure service.<\\\/p>\\n <\\\/div>\\n\\n <\\\/div>\\n\\n

Standard Specifications & Dimensions<\\\/div>\\n
\\n \\n \\n \\n \\n \\n \\n \\n \\n \\n
Specification Category<\\\/th>\\n Details & Standards<\\\/th>\\n <\\\/tr>\\n <\\\/thead>\\n
Dimensional Standards<\\\/strong><\\\/td>\\n ASME \\\/ ANSI B16.5 (Up to 24\\\"), ASME B16.47 Series A & B (Large Diameter > 24\\\")<\\\/td>\\n <\\\/tr>\\n
Pressure Classes<\\\/strong><\\\/td>\\n 150#, 300#, 600#, 900#, 1500#, 2500# (Custom high-pressure thicknesses available)<\\\/td>\\n <\\\/tr>\\n
Bore Size<\\\/strong><\\\/td>\\n None (Solid disk). *Unless specified as a Tapped Blind Flange with NPT threading.<\\\/td>\\n <\\\/tr>\\n
Flange Facing<\\\/strong><\\\/td>\\n Raised Face (BLRF), Flat Face (BLFF), Ring Type Joint (BLRTJ) for max sealing.<\\\/td>\\n <\\\/tr>\\n
Manufacturing Process<\\\/strong><\\\/td>\\n Hot Forged and Precision CNC Machined. Never cast.<\\\/td>\\n <\\\/tr>\\n <\\\/tbody>\\n <\\\/table>\\n <\\\/div>\\n\\n
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Need to Securely Blind a Line?<\\\/h3>\\n

When requesting a quote, please specify the alloy grade (e.g., Hastelloy C-276), nominal pipe size (NPS), pressure class (e.g., 900#), and flange facing (e.g., RTJ). If you need a tapped blind, please provide the required NPT thread size.<\\\/p>\\n Get a Blind Flange Quote<\\\/a>\\n <\\\/div>\\n\\n<\\\/div>\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"821f165\"}]},\"elements\":[],\"widgetType\":\"html\"}],\"isInner\":false}]"],"_elementor_page_settings":["a:0:{}"],"_elementor_controls_usage":["a:2:{s:4:\"html\";a:3:{s:5:\"count\";i:1;s:15:\"control_percent\";i:0;s:8:\"controls\";a:2:{s:7:\"content\";a:1:{s:13:\"section_title\";a:1:{s:4:\"html\";i:1;}}s:8:\"advanced\";a:1:{s:26:\"display_conditions_section\";a:1:{s:22:\"display_condition_list\";i:1;}}}}s:9:\"container\";a:3:{s:5:\"count\";i:1;s:15:\"control_percent\";i:0;s:8:\"controls\";a:1:{s:8:\"advanced\";a:1:{s:26:\"display_conditions_section\";a:1:{s:22:\"display_condition_list\";i:1;}}}}}"],"rank_math_focus_keyword":["blind flanges"],"rank_math_description":["Nickel alloy blind flanges in Inconel, Monel, Hastelloy and Waspaloy for high-pressure, corrosive chemical, marine and oil gas systems."],"ilj_blacklistdefinition":["a:0:{}"],"ilj_linkdefinition":["a:1:{i:0;s:13:\"blind flanges\";}"],"site-content-style":["unboxed"],"site-sidebar-style":["unboxed"],"theme-transparent-header-meta":["default"],"astra-migrate-meta-layouts":["set"],"_uag_page_assets":["a:9:{s:3:\"css\";s:263:\".uag-blocks-common-selector{z-index:var(--z-index-desktop) !important}@media (max-width: 976px){.uag-blocks-common-selector{z-index:var(--z-index-tablet) !important}}@media (max-width: 767px){.uag-blocks-common-selector{z-index:var(--z-index-mobile) !important}}\n\";s:2:\"js\";s:0:\"\";s:18:\"current_block_list\";a:8:{i:0;s:11:\"core\/search\";i:1;s:10:\"core\/group\";i:2;s:12:\"core\/heading\";i:3;s:17:\"core\/latest-posts\";i:4;s:20:\"core\/latest-comments\";i:5;s:13:\"core\/archives\";i:6;s:15:\"core\/categories\";i:7;s:10:\"core\/image\";}s:8:\"uag_flag\";b:0;s:11:\"uag_version\";s:10:\"1779372270\";s:6:\"gfonts\";a:0:{}s:10:\"gfonts_url\";s:0:\"\";s:12:\"gfonts_files\";a:0:{}s:14:\"uag_faq_layout\";b:0;}"],"_uag_css_file_name":["uag-css-3167.css"],"_elementor_page_assets":["a:1:{s:7:\"scripts\";a:1:{i:0;s:18:\"elementor-frontend\";}}"],"_elementor_css":["a:6:{s:4:\"time\";i:1779909659;s:5:\"fonts\";a:0:{}s:5:\"icons\";a:0:{}s:20:\"dynamic_elements_ids\";a:0:{}s:6:\"status\";s:4:\"file\";i:0;s:0:\"\";}"],"_elementor_element_cache":["{\"timeout\":1779999659,\"value\":{\"content\":\"

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\\n Home<\\\/a> \\n \\\/<\\\/span> \\n Product Forms<\\\/a>\\n \\\/<\\\/span> \\n Flanges<\\\/a>\\n \\\/<\\\/span> \\n Blind Flanges\\n <\\\/div>\\n\\n
\\n

Nickel Alloy Blind Flanges<\\\/h1>\\n \\n

\\n When you need to securely terminate a piping system, blank off a pressure vessel, or isolate a line for critical maintenance, Blind Flanges (BLRF \\\/ BLRTJ) are the ultimate safeguard. 28Nickel manufactures premium forged nickel alloy blind flanges engineered to withstand the most extreme internal pressures and highly corrosive stagnant media in chemical processing, offshore marine, and oil & gas environments.\\n <\\\/p>\\n <\\\/div>\\n\\n

Available Alloy Grades for Blind Flanges<\\\/h2>\\n

\\n Because blind flanges lack a center bore, they absorb the highest bending stress of any flange type. Furthermore, dead-end lines often accumulate stagnant, corrosive fluids. Selecting a high-strength, pitting-resistant superalloy\\u2014such as Hastelloy C-276 or Inconel 718\\u2014is critical to preventing catastrophic failure.\\n <\\\/p>\\n \\n

\\n

Select a Grade to View Material Specs:<\\\/h3>\\n
\\n Inconel\\u00ae 625 (Excellent Pitting Resistance)<\\\/a>\\n Inconel\\u00ae 718 (High Yield Strength\\\/Pressure)<\\\/a>\\n \\n Monel\\u00ae 400 (HF Acid & Seawater)<\\\/a>\\n Monel\\u00ae K-500 (Marine\\\/Sour Gas)<\\\/a>\\n \\n Hastelloy\\u00ae C-276 (Severe Chemical Processing)<\\\/a>\\n Waspaloy\\u00ae (Extreme High Temp Exhausts)<\\\/a>\\n <\\\/div>\\n <\\\/div>\\n\\n

Engineering Features & Variations<\\\/h2>\\n

\\n Beyond standard solid blanking flanges, we provide specialized blind configurations tailored for pipeline testing, instrumentation, and routine maintenance.\\n <\\\/p>\\n \\n

\\n \\n
\\n
\\n
\\ud83d\\uded1<\\\/div>\\n

Standard Blind Flanges<\\\/h3>\\n <\\\/div>\\n

Solid forged disks used to seal the ends of piping systems or pressure vessel openings. They are bolted against a mating flange (typically a weld neck or slip-on) to create a highly secure, pressure-tight seal.<\\\/p>\\n <\\\/div>\\n\\n

\\n
\\n
\\ud83d\\udc53<\\\/div>\\n

Spectacle Blinds (Figure-8)<\\\/h3>\\n <\\\/div>\\n

A specialized safety device featuring a solid plate (to blind the line) and a ring plate (to allow flow) connected by a web. Used in systems requiring frequent, absolute isolation for maintenance.<\\\/p>\\n <\\\/div>\\n\\n

\\n
\\n
\\ud83d\\udeb0<\\\/div>\\n

Tapped Blind Flanges<\\\/h3>\\n <\\\/div>\\n

Standard blind flanges that have been precision CNC-machined with a threaded center hole (NPT). These are essential for installing pressure gauges, bleed valves, or drainage lines at the end of a pipe run.<\\\/p>\\n <\\\/div>\\n\\n

\\n
\\n
\\u2699\\ufe0f<\\\/div>\\n

Extreme Pressure Resistance<\\\/h3>\\n <\\\/div>\\n

Due to the lack of a center opening, blind flanges are structurally the strongest flange type. When forged from high-yield alloys like Inconel 718, they can easily manage severe hydrostatic pressure testing and continuous high-pressure service.<\\\/p>\\n <\\\/div>\\n\\n <\\\/div>\\n\\n

Standard Specifications & Dimensions<\\\/div>\\n
\\n \\n \\n \\n \\n \\n \\n \\n \\n \\n
Specification Category<\\\/th>\\n Details & Standards<\\\/th>\\n <\\\/tr>\\n <\\\/thead>\\n
Dimensional Standards<\\\/strong><\\\/td>\\n ASME \\\/ ANSI B16.5 (Up to 24\\\"), ASME B16.47 Series A & B (Large Diameter > 24\\\")<\\\/td>\\n <\\\/tr>\\n
Pressure Classes<\\\/strong><\\\/td>\\n 150#, 300#, 600#, 900#, 1500#, 2500# (Custom high-pressure thicknesses available)<\\\/td>\\n <\\\/tr>\\n
Bore Size<\\\/strong><\\\/td>\\n None (Solid disk). *Unless specified as a Tapped Blind Flange with NPT threading.<\\\/td>\\n <\\\/tr>\\n
Flange Facing<\\\/strong><\\\/td>\\n Raised Face (BLRF), Flat Face (BLFF), Ring Type Joint (BLRTJ) for max sealing.<\\\/td>\\n <\\\/tr>\\n
Manufacturing Process<\\\/strong><\\\/td>\\n Hot Forged and Precision CNC Machined. Never cast.<\\\/td>\\n <\\\/tr>\\n <\\\/tbody>\\n <\\\/table>\\n <\\\/div>\\n\\n
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Need to Securely Blind a Line?<\\\/h3>\\n

When requesting a quote, please specify the alloy grade (e.g., Hastelloy C-276), nominal pipe size (NPS), pressure class (e.g., 900#), and flange facing (e.g., RTJ). If you need a tapped blind, please provide the required NPT thread size.<\\\/p>\\n Get a Blind Flange Quote<\\\/a>\\n <\\\/div>\\n\\n<\\\/div>\\t\\t\\t\\t<\\\/div>\\n\\t\\t\\t\\t<\\\/div>\\n\\t\\t\\t\\t\\t<\\\/div>\\n\\t\\t\\t\\t<\\\/div>\\n\\t\\t\",\"scripts\":[],\"styles\":[]}}"]},"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false},"uagb_author_info":{"display_name":"nickel","author_link":"https:\/\/www.nickelcasting.com\/fr\/author\/nickel\/"},"uagb_comment_info":0,"uagb_excerpt":"Home \/ Product Forms \/ Flanges \/ Blind Flanges Nickel Alloy Blind Flanges When you need to securely terminate a piping system, blank off a pressure vessel, or isolate a line for critical maintenance, Blind Flanges (BLRF \/ BLRTJ) are the ultimate safeguard. 28Nickel manufactures premium forged nickel alloy blind flanges engineered to withstand the\u2026","_links":{"self":[{"href":"https:\/\/www.nickelcasting.com\/fr\/wp-json\/wp\/v2\/pages\/3167","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nickelcasting.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.nickelcasting.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/fr\/wp-json\/wp\/v2\/comments?post=3167"}],"version-history":[{"count":4,"href":"https:\/\/www.nickelcasting.com\/fr\/wp-json\/wp\/v2\/pages\/3167\/revisions"}],"predecessor-version":[{"id":3173,"href":"https:\/\/www.nickelcasting.com\/fr\/wp-json\/wp\/v2\/pages\/3167\/revisions\/3173"}],"up":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/fr\/wp-json\/wp\/v2\/pages\/3145"}],"wp:attachment":[{"href":"https:\/\/www.nickelcasting.com\/fr\/wp-json\/wp\/v2\/media?parent=3167"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}