{"id":5691,"date":"2024-08-09T20:45:07","date_gmt":"2024-08-09T18:45:07","guid":{"rendered":"https:\/\/gpromkosmiczny.pl\/majster\/?p=5691"},"modified":"2025-08-05T14:41:31","modified_gmt":"2025-08-05T12:41:31","slug":"hlava-valce-motoru-vlastnosti-a-charakteristiky-pro-vysoky-vykon","status":"publish","type":"post","link":"https:\/\/glimat.cz\/mistr\/prispevky\/hlava-valce-motoru-vlastnosti-a-charakteristiky-pro-vysoky-vykon\/","title":{"rendered":"Hlava v\u00e1lc\u016f motoru"},"content":{"rendered":"\n<div class=\"wp-block-group has-light-background-color has-background\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-dark-color has-text-color has-link-color has-medium-font-size wp-elements-3b7c7cdd6e91be1d9990a4c278032292\"><strong>Z tohoto \u010dl\u00e1nku se dozv\u00edte:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li style=\"font-size:16px\"><strong><a href=\"#Jak-vypad\u00e1-hlava-v\u00e1lc\u016f\">Jak vypad\u00e1 hlava v\u00e1lc\u016f<\/a><\/strong><\/li>\n\n\n\n<li style=\"font-size:16px\"><strong><a href=\"#Konstrukce-hlavic-v\u00e1lc\u016f-ITR\">Konstrukce hlavic v\u00e1lc\u016f ITR<\/a><\/strong><\/li>\n\n\n\n<li style=\"font-size:16px\"><strong><a href=\"#Kl\u00ed\u010dov\u00e9-prvky-hlavy-v\u00e1lc\u016f-a-jejich-vlastnosti\">Kl\u00ed\u010dov\u00e9 prvky hlavy v\u00e1lc\u016f a jejich vlastnosti<\/a><\/strong><\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Hlava v\u00e1lc\u016f je slo\u017eitou, ale kl\u00ed\u010dovou sou\u010d\u00e1st\u00ed ka\u017ed\u00e9ho spalovac\u00edho motoru, kter\u00e1 ur\u010duje v\u00fdkon vozidla. Vzhledem k t\u00e9to kritick\u00e9 roli je f\u00e1ze n\u00e1vrhu hlavy v\u00e1lc\u016f nesm\u00edrn\u011b d\u016fle\u017eit\u00e1.<\/p>\n\n\n\n<p>Na z\u00e1klad\u011b na\u0161ich mechanick\u00fdch zku\u0161enost\u00ed navrhuje a dod\u00e1v\u00e1 spole\u010dnost USCO <a href=\"https:\/\/glimat.cz\/mistr\/prispevky\/cerpadla-itr-vysoky-vykon-a-spolehlivost\/\">ITR<\/a> kompletn\u00ed hlavy v\u00e1lc\u016f odoln\u00e9 v\u016f\u010di nap\u011bt\u00ed, pln\u011b kompatibiln\u00ed s origin\u00e1ln\u00edmi d\u00edly <a href=\"https:\/\/glimat.cz\/mistr\/prispevky\/tesneni-bulldog-kvalita-oem\/\">OEM<\/a>.<\/p>\n\n\n\n<p>Hlava v\u00e1lc\u016f je specifick\u00fdm, nehybn\u00fdm prvkem v\u0161ech typ\u016f spalovac\u00edch motor\u016f. Um\u00edst\u011bn\u00e1 v horn\u00ed \u010d\u00e1sti motoru je p\u0159ipevn\u011bna k bloku motoru pomoc\u00ed bezpe\u010dnostn\u00edch nebo up\u00ednac\u00edch \u0161roub\u016f, kter\u00e9 zaji\u0161\u0165uj\u00ed p\u0159esn\u00e9 se\u0159\u00edzen\u00ed a ut\u011bsn\u011bn\u00ed. Je to nejv\u00edce nam\u00e1han\u00e1 sou\u010d\u00e1st motoru.<\/p>\n\n\n\n<p>Jej\u00ed hlavn\u00ed rol\u00ed je uzav\u0159en\u00ed horn\u00ed \u010d\u00e1sti v\u00e1lc\u016f a jej\u00ed sou\u010d\u00e1sti jsou vystaveny vysok\u00fdm teplot\u00e1m a tlak\u016fm. Technick\u00e9 poruchy hlavy v\u00e1lc\u016f negativn\u011b ovliv\u0148uj\u00ed chod cel\u00e9ho motoru.<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<blockquote class=\"wp-block-quote is-style-plain is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>NEZAPOME\u0147TE<\/strong><br>Hlava v\u00e1lc\u016f je kl\u00ed\u010dovou sou\u010d\u00e1st\u00ed spalovac\u00edho motoru, kter\u00e1 nejen uzav\u00edr\u00e1 spalovac\u00ed komoru, ale tak\u00e9 zaji\u0161\u0165uje tepelnou izolaci a optimalizaci spalov\u00e1n\u00ed, co\u017e p\u0159\u00edmo ovliv\u0148uje v\u00fdkon a efektivitu vozidla.<\/p>\n<\/blockquote>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Jak-vypad\u00e1-hlava-v\u00e1lc\u016f\"><strong>Jak vypad\u00e1 hlava v\u00e1lc\u016f<\/strong><\/h2>\n\n\n\n<p>Hlava v\u00e1lc\u016f tvo\u0159\u00ed horn\u00ed strop spalovac\u00ed komory nad ka\u017ed\u00fdm p\u00edstem, v\u010detn\u011b sedel zapalovac\u00edch sv\u00ed\u010dek a \u00fachytek vst\u0159ikova\u010d\u016f. Sac\u00ed a v\u00fdfukov\u00e9 kan\u00e1ly se v hlav\u011b v\u00e1lc\u016f tak\u00e9 sb\u00edhaj\u00ed spolu s p\u0159\u00edslu\u0161n\u00fdmi ventily, vod\u00edtky a vratn\u00fdmi pru\u017einami.<\/p>\n\n\n\n<p>V mnoha p\u0159\u00edpadech horn\u00ed \u010d\u00e1st slou\u017e\u00ed jako podpora pro jeden nebo dva va\u010dkov\u00e9 h\u0159\u00eddele, zdvih\u00e1tka nebo p\u00e1ky ventil\u016f. Hlava v\u00e1lc\u016f tak\u00e9 obsahuje kan\u00e1ly pot\u0159ebn\u00e9 pro cirkulaci chladic\u00ed kapaliny.<\/p>\n\n\n\n<p>Krom\u011b uzav\u00edr\u00e1n\u00ed v\u00e1lc\u016f m\u00e1 hlava v\u00e1lc\u016f tak\u00e9 funkci tepeln\u00e9 izolace: zat\u00edmco vnit\u0159n\u00ed \u010d\u00e1st motoru se siln\u011b zah\u0159\u00edv\u00e1 (a\u017e na 300 \u00b0C), vn\u011bj\u0161\u00ed strana mus\u00ed z\u016fstat relativn\u011b chladn\u00e1. Hlava v\u00e1lc\u016f absorbuje p\u0159ibli\u017en\u011b 70 % tepla generovan\u00e9ho motorem a mus\u00ed odol\u00e1vat vysok\u00fdm \u00farovn\u00edm tepeln\u00fdch a mechanick\u00fdch nam\u00e1h\u00e1n\u00ed. Z tohoto d\u016fvodu a s ohledem na po\u017eadovan\u00e9 pou\u017eit\u00ed se hlavy v\u00e1lc\u016f obvykle vyr\u00e1b\u011bj\u00ed ze \u017eelezn\u00fdch slitin nebo z leh\u010d\u00ed hlin\u00edkov\u00e9 varianty s vy\u0161\u0161\u00ed tepelnou vodivost\u00ed.<\/p>\n\n\n\n<p>Proto\u017ee se jedn\u00e1 o tak slo\u017eit\u00fd prvek motoru, kter\u00fd hraje kl\u00ed\u010dovou roli, jeho konstrukce vy\u017eaduje zna\u010dn\u00e9 mno\u017estv\u00ed \u010dasu a mimo\u0159\u00e1dnou p\u0159esnost p\u0159i v\u00fdrob\u011b jednotliv\u00fdch sou\u010d\u00e1st\u00ed, kombinovanou s bohat\u00fdmi zku\u0161enostmi v mechanick\u00e9m pr\u016fmyslu.<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/glimat.cz\/mistr\/wp-content\/uploads\/2024\/08\/GRAFIKA_GLOWICA_CYLINDROW_SILNIKA_FUNKCJE_I_CHARAKTERYSTYKA_ZAPEWNIAJACA_WYSOKIE_OSIAGI_1-1024x682.jpg\" alt=\"\" class=\"wp-image-7576\" srcset=\"https:\/\/glimat.cz\/mistr\/wp-content\/uploads\/2024\/08\/GRAFIKA_GLOWICA_CYLINDROW_SILNIKA_FUNKCJE_I_CHARAKTERYSTYKA_ZAPEWNIAJACA_WYSOKIE_OSIAGI_1-1024x682.jpg 1024w, https:\/\/glimat.cz\/mistr\/wp-content\/uploads\/2024\/08\/GRAFIKA_GLOWICA_CYLINDROW_SILNIKA_FUNKCJE_I_CHARAKTERYSTYKA_ZAPEWNIAJACA_WYSOKIE_OSIAGI_1-300x200.jpg 300w, https:\/\/glimat.cz\/mistr\/wp-content\/uploads\/2024\/08\/GRAFIKA_GLOWICA_CYLINDROW_SILNIKA_FUNKCJE_I_CHARAKTERYSTYKA_ZAPEWNIAJACA_WYSOKIE_OSIAGI_1-200x133.jpg 200w, https:\/\/glimat.cz\/mistr\/wp-content\/uploads\/2024\/08\/GRAFIKA_GLOWICA_CYLINDROW_SILNIKA_FUNKCJE_I_CHARAKTERYSTYKA_ZAPEWNIAJACA_WYSOKIE_OSIAGI_1-768x512.jpg 768w, https:\/\/glimat.cz\/mistr\/wp-content\/uploads\/2024\/08\/GRAFIKA_GLOWICA_CYLINDROW_SILNIKA_FUNKCJE_I_CHARAKTERYSTYKA_ZAPEWNIAJACA_WYSOKIE_OSIAGI_1-480x320.jpg 480w, https:\/\/glimat.cz\/mistr\/wp-content\/uploads\/2024\/08\/GRAFIKA_GLOWICA_CYLINDROW_SILNIKA_FUNKCJE_I_CHARAKTERYSTYKA_ZAPEWNIAJACA_WYSOKIE_OSIAGI_1.jpg 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Konstrukce-hlavic-v\u00e1lc\u016f-ITR\"><strong>Konstrukce hlavic v\u00e1lc\u016f ITR<\/strong><\/h2>\n\n\n\n<p>Spole\u010dnost USCO ITR se m\u016f\u017ee pochlubit dlouholet\u00fdmi a pevn\u00fdmi zku\u0161enostmi v navrhov\u00e1n\u00ed a v\u00fdrob\u011b mechanick\u00fdch komponent, v\u010detn\u011b kompletn\u00edch hlav v\u00e1lc\u016f. P\u0159esto\u017ee jde o st\u00e1lou sou\u010d\u00e1st motoru, ka\u017ed\u00e1 hlava v\u00e1lc\u016f je vyr\u00e1b\u011bna na m\u00edru podle po\u017eadovan\u00fdch vlastnost\u00ed, rozm\u011br\u016f a hmotnosti.<\/p>\n\n\n\n<p>P\u0159i navrhov\u00e1n\u00ed hlavy v\u00e1lc\u016f tvar spalovac\u00ed komory a rozm\u00edst\u011bn\u00ed a tvar sac\u00edch a v\u00fdfukov\u00fdch kan\u00e1l\u016f \u010d\u00e1ste\u010dn\u011b ur\u010duj\u00ed v\u00fdkon motoru a \u00farovn\u011b emis\u00ed. Je nutn\u00e9 zohlednit mechanick\u00e9 a tepeln\u011b nam\u00e1h\u00e1n\u00ed hlavy v\u00e1lc\u016f p\u0159i spr\u00e1vn\u00e9m n\u00e1vrhu rozm\u011br\u016f a efektivn\u00edch chladic\u00edch kan\u00e1l\u016f.<\/p>\n\n\n\n<p>Tvar hlavy v\u00e1lc\u016f ur\u010duje kompresn\u00ed pom\u011br a umo\u017e\u0148uje optimalizaci spalov\u00e1n\u00ed v spalovac\u00edch prostorech tak, aby bylo rychlej\u0161\u00ed a dokonalej\u0161\u00ed. To zlep\u0161uje \u00fa\u010dinnost a v\u00fdkon motoru, \u010d\u00edm\u017e se zvy\u0161uje vyu\u017eit\u00ed energie z paliva.<\/p>\n\n\n\n<p>Rozm\u011bry kompletn\u00edch hlav v\u00e1lc\u016f ITR v\u017edy odpov\u00eddaj\u00ed rozm\u011br\u016fm origin\u00e1ln\u00edch d\u00edl\u016f OEM. Kompletn\u00ed komponenty dod\u00e1van\u00e9 na\u0161\u00ed spole\u010dnost\u00ed jsou p\u0159edem sestaven\u00e9 a p\u0159ipraven\u00e9 k pou\u017eit\u00ed se v\u0161emi ventily, pru\u017einami a nezbytn\u00fdmi p\u0159\u00edslu\u0161enstv\u00edmi.<\/p>\n\n\n\n<p>Tento zp\u016fsob mont\u00e1\u017ee vy\u017eaduje kontrolu sedel ventil\u016f pomoc\u00ed vakuometru, aby bylo zaji\u0161t\u011bno podtlakov\u00e9 tlakov\u00e9 hodnoty pod po\u017eadovan\u00fdmi milibary. Spole\u010dnost USCO ITR nav\u00edc pe\u010dliv\u011b \u010dist\u00ed v\u0161echny komponenty p\u0159ed mont\u00e1\u017e\u00ed, aby zajistila vysokou kvalitu dod\u00e1vek.<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-light-color has-dark-background-color has-text-color has-background has-link-color has-medium-font-size wp-elements-01d889e1516a8071cbfd0e01c1a98733\"><strong>POZOR<\/strong><br>Technick\u00e9 poruchy hlavy v\u00e1lc\u016f mohou v\u00fdrazn\u011b sn\u00ed\u017eit v\u00fdkon motoru, proto je jej\u00ed precizn\u00ed v\u00fdroba a <a href=\"https:\/\/glimat.cz\/mistr\/prispevky\/montaz-zubu-na-lopatu-jak-to-provest-rychle-a-bezpecne\/\">mont\u00e1\u017e<\/a> kl\u00ed\u010dov\u00e1 pro zaji\u0161t\u011bn\u00ed spolehlivosti a vysok\u00e9ho v\u00fdkonu vozidla.<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Kl\u00ed\u010dov\u00e9-prvky-hlavy-v\u00e1lc\u016f-a-jejich-vlastnosti\"><strong>Kl\u00ed\u010dov\u00e9 prvky hlavy v\u00e1lc\u016f a jejich vlastnosti<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th>Prvek hlavy v\u00e1lc\u016f<\/th><th>Funkce<\/th><th>Materi\u00e1l<\/th><th>Vlastnosti<\/th><\/tr><\/thead><tbody><tr><td>Horn\u00ed strop spalovac\u00ed komory<\/td><td>Uzav\u0159en\u00ed horn\u00ed \u010d\u00e1sti v\u00e1lc\u016f<\/td><td>\u017delezn\u00e1 slitina \/ Hlin\u00edk<\/td><td><a href=\"https:\/\/glimat.cz\/mistr\/prispevky\/opotrebitelnost-a-odolnost-pasoveho-podvozku\/\">Odolnost<\/a> v\u016f\u010di vysok\u00fdm teplot\u00e1m a tlak\u016fm<\/td><\/tr><tr><td>Sedla zapalovac\u00edch sv\u00ed\u010dek<\/td><td>Um\u00edst\u011bn\u00ed zapalovac\u00edch sv\u00ed\u010dek<\/td><td>\u017delezn\u00e1 slitina \/ Hlin\u00edk<\/td><td>Precizn\u00ed usazen\u00ed<\/td><\/tr><tr><td>\u00dachyty vst\u0159ikova\u010d\u016f<\/td><td>Um\u00edst\u011bn\u00ed vst\u0159ikova\u010d\u016f<\/td><td>\u017delezn\u00e1 slitina \/ Hlin\u00edk<\/td><td>Stabiln\u00ed upevn\u011bn\u00ed<\/td><\/tr><tr><td>Sac\u00ed a v\u00fdfukov\u00e9 kan\u00e1ly<\/td><td>Tok palivovovzdu\u0161n\u00e9 sm\u011bsi a v\u00fdfukov\u00fdch plyn\u016f<\/td><td>\u017delezn\u00e1 slitina \/ Hlin\u00edk<\/td><td>Odolnost v\u016f\u010di vysok\u00fdm teplot\u00e1m a tlak\u016fm<\/td><\/tr><tr><td>Va\u010dkov\u00e9 h\u0159\u00eddele<\/td><td>Ovl\u00e1d\u00e1n\u00ed ventil\u016f<\/td><td>\u017delezn\u00e1 slitina \/ Hlin\u00edk<\/td><td>P\u0159esn\u00e9 \u010dasov\u00e1n\u00ed<\/td><\/tr><tr><td>Chladic\u00ed kan\u00e1ly<\/td><td>Cirkulace chladic\u00ed kapaliny<\/td><td>\u017delezn\u00e1 slitina \/ Hlin\u00edk<\/td><td>Efektivn\u00ed odvod tepla<\/td><\/tr><tr><td>Ventily a pru\u017einy<\/td><td>\u0158\u00edzen\u00ed pr\u016ftoku sm\u011bsi a v\u00fdfukov\u00fdch plyn\u016f<\/td><td>\u017delezn\u00e1 slitina \/ Hlin\u00edk<\/td><td>Odolnost a spolehlivost<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<p>&#8222;`<\/p>","protected":false},"excerpt":{"rendered":"<p>Hlava v\u00e1lc\u016f je slo\u017eit\u00e1, ale d\u016fle\u017eit\u00e1 sou\u010d\u00e1st ka\u017ed\u00e9ho spalovac\u00edho motoru, kter\u00e1 ur\u010duje v\u00fdkon vozidla. Vzhledem k t\u00e9to z\u00e1sadn\u00ed roli je f\u00e1ze n\u00e1vrhu hlavy v\u00e1lc\u016f nesm\u00edrn\u011b d\u016fle\u017eit\u00e1.<\/p>\n","protected":false},"author":4,"featured_media":6288,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[116],"tags":[73,286,95,284,290],"coauthors":[76],"class_list":["post-5691","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hlavice-valcu","tag-glimat","tag-hlavy","tag-itr","tag-motor","tag-valce"],"acf":[],"magazineBlocksPostFeaturedMedia":{"thumbnail":"https:\/\/glimat.cz\/mistr\/wp-content\/uploads\/2024\/07\/Cylinder_SIlnika_1-triangle-200x133.jpeg","medium":"https:\/\/glimat.cz\/mistr\/wp-content\/uploads\/2024\/07\/Cylinder_SIlnika_1-triangle-300x200.jpeg","medium_large":"https:\/\/glimat.cz\/mistr\/wp-content\/uploads\/2024\/07\/Cylinder_SIlnika_1-triangle-768x512.jpeg","large":"https:\/\/glimat.cz\/mistr\/wp-content\/uploads\/2024\/07\/Cylinder_SIlnika_1-triangle-1024x682.jpeg","1536x1536":"https:\/\/glimat.cz\/mistr\/wp-content\/uploads\/2024\/07\/Cylinder_SIlnika_1-triangle-1536x1024.jpeg","2048x2048":"https:\/\/glimat.cz\/mistr\/wp-content\/uploads\/2024\/07\/Cylinder_SIlnika_1-triangle-2048x1365.jpeg","placeholder-img":"https:\/\/glimat.cz\/mistr\/wp-content\/uploads\/2024\/07\/Cylinder_SIlnika_1-triangle-20x13.jpeg","post-thumbnail":"https:\/\/glimat.cz\/mistr\/wp-content\/uploads\/2024\/07\/Cylinder_SIlnika_1-triangle-480x320.jpeg"},"magazineBlocksPostAuthor":{"name":"Emilia","avatar":"https:\/\/secure.gravatar.com\/avatar\/f3b78af81e96ae143ad400ab9ad571648b291ee7fc5ec6323ea4c42c7a1083af?s=96&d=mm&r=g"},"magazineBlocksPostCommentsNumber":"0","magazineBlocksPostExcerpt":"Hlava v\u00e1lc\u016f je slo\u017eit\u00e1, ale d\u016fle\u017eit\u00e1 sou\u010d\u00e1st ka\u017ed\u00e9ho spalovac\u00edho motoru, kter\u00e1 ur\u010duje v\u00fdkon vozidla. Vzhledem k t\u00e9to z\u00e1sadn\u00ed roli je f\u00e1ze n\u00e1vrhu hlavy v\u00e1lc\u016f nesm\u00edrn\u011b d\u016fle\u017eit\u00e1.","magazineBlocksPostCategories":["Hlavice v\u00e1lc\u016f"],"magazineBlocksPostViewCount":164,"magazineBlocksPostReadTime":5,"magazine_blocks_featured_image_url":{"full":["https:\/\/glimat.cz\/mistr\/wp-content\/uploads\/2024\/07\/Cylinder_SIlnika_1-triangle.jpeg",2560,1706,false],"medium":["https:\/\/glimat.cz\/mistr\/wp-content\/uploads\/2024\/07\/Cylinder_SIlnika_1-triangle-300x200.jpeg",300,200,true],"thumbnail":["https:\/\/glimat.cz\/mistr\/wp-content\/uploads\/2024\/07\/Cylinder_SIlnika_1-triangle-200x133.jpeg",200,133,true]},"magazine_blocks_author":{"display_name":"Emilia","author_link":"https:\/\/glimat.cz\/mistr\/prispevky\/author\/emilia\/"},"magazine_blocks_comment":0,"magazine_blocks_author_image":"https:\/\/secure.gravatar.com\/avatar\/f3b78af81e96ae143ad400ab9ad571648b291ee7fc5ec6323ea4c42c7a1083af?s=96&d=mm&r=g","magazine_blocks_category":"<a href=\"#\" class=\"category-link category-link-116\">Hlavice v\u00e1lc\u016f<\/a>","yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - 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