{"id":36349,"date":"2022-08-18T13:00:47","date_gmt":"2022-08-18T12:00:47","guid":{"rendered":"https:\/\/m5j0n6nk9p.onrocket.site\/products\/valves\/butterfly-valves\/industrial-serie\/valvulas-borboleta-kkd-81-l-w\/"},"modified":"2025-06-16T13:57:30","modified_gmt":"2025-06-16T12:57:30","slug":"butterfly-valves-kkd-81","status":"publish","type":"page","link":"https:\/\/klinger.pt\/en\/products\/valves\/butterfly-valves\/industrial-serie\/butterfly-valves-kkd-81\/","title":{"rendered":"CONCENTRIC BUTTERFLY VALVE"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">CONCENTRIC BUTTERFLY VALVE<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Concentric Butterfly Valve: designed for general industrial applications, with different types of configuration and construction, according to the application needs. Wafer type construction for mounting between flanges, LUG type and flanged in accordance with the different types of existing flange standards (DIN, ANSI, BS, JIS).<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:300px\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"384\" height=\"1024\" src=\"https:\/\/klinger.pt\/wp-content\/uploads\/2023\/04\/Concentricas-pag3-384x1024.webp\" alt=\"\" class=\"wp-image-41343\" srcset=\"https:\/\/klinger.pt\/wp-content\/uploads\/2023\/04\/Concentricas-pag3-384x1024.webp 384w, https:\/\/klinger.pt\/wp-content\/uploads\/2023\/04\/Concentricas-pag3-113x300.webp 113w, https:\/\/klinger.pt\/wp-content\/uploads\/2023\/04\/Concentricas-pag3-576x1536.webp 576w, https:\/\/klinger.pt\/wp-content\/uploads\/2023\/04\/Concentricas-pag3.webp 720w\" sizes=\"(max-width: 384px) 100vw, 384px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:700px\">\n<h2 class=\"wp-block-heading\">Features<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Suitable for use in HVAC, irrigation, industrial applications where positive shutoff is required<\/li>\n\n\n\n<li>Single through-put shaft provides most economical pricing<\/li>\n\n\n\n<li>10 position lever or gear operation<\/li>\n\n\n\n<li>Alloy material available on request<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Standards<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>End dimensions acc. to DIN2633<\/li>\n\n\n\n<li>Inspection test acc. to EN12266<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Limitation<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Do not use EPDM when hydrocarbons are present.<\/li>\n\n\n\n<li>Kindly anticipate increased torque for PTFE coated disc + PTFE seat option; gear operation recommended for sizes 4\u201d.<\/li>\n\n\n\n<li>End-of-line service at half rating<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Options<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Double \u201chalf pin\u201d style available for increased performance and lifecycle<\/li>\n\n\n\n<li>Coated disc available in: rubber, PTFE, nylon<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h5 class=\"wp-block-heading\"><a href=\"https:\/\/klinger.pt\/wp-content\/uploads\/2023\/04\/Butterfly-Valve_KKD-81L_DataSheet_compressed.pdf\" target=\"_blank\" rel=\"noopener\" title=\"CONCENTRIC BUTTERFLY VALVE DATA SHEET (EN)\">CONCENTRIC BUTTERFLY VALVE DATA SHEET 81L (EN)<\/a><\/h5>\n\n\n\n<h5 class=\"wp-block-heading\"><a href=\"https:\/\/klinger.pt\/wp-content\/uploads\/2025\/06\/Butterfly-Valve_KKD-81Wafer_DataSheet-atualizada-3.pdf\" target=\"_blank\" rel=\"noopener\" title=\"\">CONCENTRIC BUTTERFLY VALVE DATA SHEET 81W (EN)<\/a><\/h5>\n\n\n\n<h5 class=\"wp-block-heading\"><a href=\"https:\/\/klinger.pt\/wp-content\/uploads\/2023\/04\/Technical-sheet-81F_compressed-1.pdf\" target=\"_blank\" rel=\"noopener\" title=\"\">CONCENTRIC BUTTERFLY VALVE DATA SHEET 81F (EN)<\/a><\/h5>\n","protected":false},"excerpt":{"rendered":"<p>CONCENTRIC BUTTERFLY VALVE Concentric Butterfly Valve: designed for general industrial applications, with different types of configuration and construction, according to the application needs. Wafer type construction for mounting between flanges, LUG type and flanged in accordance with the different types of existing flange standards (DIN, ANSI, BS, JIS). Features Standards Limitation Options CONCENTRIC BUTTERFLY VALVE [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":41747,"parent":22927,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-templates\/servicios.php","meta":{"_eb_attr":"","footnotes":""},"class_list":["post-36349","page","type-page","status-publish","has-post-thumbnail","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"CONCENTRIC BUTTERFLY VALVE: for general industrial applications. Wafer and LUG type. 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