{"id":1892,"date":"2026-02-14T05:08:08","date_gmt":"2026-02-14T05:08:08","guid":{"rendered":"https:\/\/www.wonzh.com\/?p=1892"},"modified":"2026-02-14T05:08:12","modified_gmt":"2026-02-14T05:08:12","slug":"tesneni-s-jednim-okrajem-vs-tesneni-s-dvojitym-okrajem-ochrana-proti-kontaminaci-a-manipulace-s-tlakem","status":"publish","type":"post","link":"https:\/\/www.wonzh.com\/cs\/single-lip-vs-double-lip-seals-contamination-protection-and-pressure-handling\/","title":{"rendered":"T\u011bsn\u011bn\u00ed s jedn\u00edm rtem vs. t\u011bsn\u011bn\u00ed s dvojit\u00fdm rtem: Ochrana proti kontaminaci a manipulace s tlakem"},"content":{"rendered":"<p>V pr\u016fmyslov\u00fdch stroj\u00edch m\u00e1 v\u00fdb\u011br spr\u00e1vn\u00e9ho t\u011bsnic\u00edho \u0159e\u0161en\u00ed p\u0159\u00edm\u00fd vliv na spolehlivost za\u0159\u00edzen\u00ed, kontrolu t\u011bsnosti a ochranu proti zne\u010di\u0161t\u011bn\u00ed. Dv\u011b \u0161iroce pou\u017e\u00edvan\u00e1 proveden\u00ed radi\u00e1ln\u00edho t\u011bsn\u011bn\u00ed jsou <strong>t\u011bsn\u011bn\u00ed s jedn\u00edm okrajem<\/strong> a <strong>dvojit\u00fd ret <a href=\"https:\/\/www.wonzh.com\/cs\/product-category\/sealing-parts-sealing-systems\/\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#fcb900\" class=\"has-inline-color\">t\u011bsn\u011bn\u00ed<\/mark><\/a><\/strong>. A\u010dkoli jsou ob\u011b konstrukce navr\u017eeny tak, aby zadr\u017eovaly mazivo a vylu\u010dovaly ne\u010distoty, jejich konstruk\u010dn\u00ed rozd\u00edly v\u00fdznamn\u011b ovliv\u0148uj\u00ed v\u00fdkon v tlakov\u00e9m a zne\u010di\u0161t\u011bn\u00e9m prost\u0159ed\u00ed.<\/p>\n\n\n\n<p>Pochopen\u00ed t\u011bchto rozd\u00edl\u016f pom\u00e1h\u00e1 in\u017een\u00fdr\u016fm optimalizovat t\u011bsnic\u00ed syst\u00e9my pro hydraulick\u00e9, pneumatick\u00e9 a rota\u010dn\u00ed aplikace.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.wonzh.com\/wp-content\/uploads\/2026\/02\/Single-Lip-vs-Double-Lip-Seals-Contamination-Protection-and-Pressure-Handling-1024x683.png\" alt=\"\" class=\"wp-image-1893\" srcset=\"https:\/\/www.wonzh.com\/wp-content\/uploads\/2026\/02\/Single-Lip-vs-Double-Lip-Seals-Contamination-Protection-and-Pressure-Handling-1024x683.png 1024w, https:\/\/www.wonzh.com\/wp-content\/uploads\/2026\/02\/Single-Lip-vs-Double-Lip-Seals-Contamination-Protection-and-Pressure-Handling-300x200.png 300w, https:\/\/www.wonzh.com\/wp-content\/uploads\/2026\/02\/Single-Lip-vs-Double-Lip-Seals-Contamination-Protection-and-Pressure-Handling-768x512.png 768w, https:\/\/www.wonzh.com\/wp-content\/uploads\/2026\/02\/Single-Lip-vs-Double-Lip-Seals-Contamination-Protection-and-Pressure-Handling-18x12.png 18w, https:\/\/www.wonzh.com\/wp-content\/uploads\/2026\/02\/Single-Lip-vs-Double-Lip-Seals-Contamination-Protection-and-Pressure-Handling-600x400.png 600w, https:\/\/www.wonzh.com\/wp-content\/uploads\/2026\/02\/Single-Lip-vs-Double-Lip-Seals-Contamination-Protection-and-Pressure-Handling.png 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">1. Struktur\u00e1ln\u00ed rozd\u00edly<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">T\u011bsn\u011bn\u00ed s jedn\u00edm rtem<\/h3>\n\n\n\n<p>T\u011bsn\u011bn\u00ed s jedn\u00edm b\u0159item m\u00e1 jednu prim\u00e1rn\u00ed t\u011bsnic\u00ed hranu, kter\u00e1 se dot\u00fdk\u00e1 povrchu h\u0159\u00eddele nebo ty\u010de. Je prim\u00e1rn\u011b ur\u010deno k:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Uchov\u00e1vejte maziva<\/li>\n\n\n\n<li>Zabra\u0148te \u00faniku vnit\u0159n\u00ed tekutiny<\/li>\n\n\n\n<li>Provoz s n\u00edzk\u00fdm t\u0159en\u00edm<\/li>\n<\/ul>\n\n\n\n<p>Jednop\u00e1rov\u00e9 konstrukce jsou jednodu\u0161\u0161\u00ed, produkuj\u00ed m\u00e9n\u011b tepla a jsou vhodn\u00e9 pro \u010dist\u00e9 provozn\u00ed podm\u00ednky.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Dvojit\u00e9 t\u011bsn\u011bn\u00ed<\/h3>\n\n\n\n<p>Dvojit\u00e9 t\u011bsn\u011bn\u00ed obsahuje:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Jeden prim\u00e1rn\u00ed t\u011bsnic\u00ed okraj (pro zadr\u017eov\u00e1n\u00ed tekutin)<\/li>\n\n\n\n<li>Jeden sekund\u00e1rn\u00ed ret (pro vylou\u010den\u00ed kontaminace)<\/li>\n<\/ul>\n\n\n\n<p>P\u0159\u00eddavn\u00fd okraj poskytuje zv\u00fd\u0161enou ochranu p\u0159ed vlivy prost\u0159ed\u00ed, zejm\u00e9na v pra\u0161n\u00e9m nebo zne\u010di\u0161t\u011bn\u00e9m prost\u0159ed\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. Ochrana proti kontaminaci<\/h2>\n\n\n\n<p>Kontaminace je hlavn\u00ed p\u0159\u00ed\u010dinou selh\u00e1n\u00ed t\u011bsn\u011bn\u00ed a lo\u017eisek. Volba mezi jednob\u0159it\u00fdm a dvoub\u0159it\u00fdm proveden\u00edm do zna\u010dn\u00e9 m\u00edry z\u00e1vis\u00ed na p\u016fsoben\u00ed okoln\u00edho prost\u0159ed\u00ed.<\/p>\n\n\n\n<p><strong>T\u011bsn\u011bn\u00ed s jedn\u00edm rtem:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vhodn\u00e9 pro \u010dist\u00e9 vnit\u0159n\u00ed prost\u0159ed\u00ed<\/li>\n\n\n\n<li>Omezen\u00e1 odolnost proti vn\u011bj\u0161\u00ed kontaminaci<\/li>\n\n\n\n<li>Ni\u017e\u0161\u00ed t\u0159en\u00ed d\u00edky jedin\u00e9 kontaktn\u00ed plo\u0161e<\/li>\n<\/ul>\n\n\n\n<p><strong>Dvojit\u00e9 t\u011bsn\u011bn\u00ed rt\u016f:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Lep\u0161\u00ed ochrana proti prachu, ne\u010distot\u00e1m a vlhkosti<\/li>\n\n\n\n<li>Ide\u00e1ln\u00ed pro stavebn\u00ed, d\u016fln\u00ed a zem\u011bd\u011blskou techniku.<\/li>\n\n\n\n<li>Sekund\u00e1rn\u00ed okraj slou\u017e\u00ed jako bari\u00e9ra pro abrazivn\u00ed \u010d\u00e1stice.<\/li>\n<\/ul>\n\n\n\n<p>V drsn\u00e9m prost\u0159ed\u00ed dvojit\u00e1 t\u011bsn\u011bn\u00ed v\u00fdrazn\u011b sni\u017euj\u00ed vnik\u00e1n\u00ed ne\u010distot a prodlu\u017euj\u00ed \u017eivotnost komponent.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. Schopnost manipulace s tlakem<\/h2>\n\n\n\n<p>V\u00fdkonnost t\u011bsn\u011bn\u00ed pod tlakem se li\u0161\u00ed podle konstrukce a pou\u017eit\u00ed.<\/p>\n\n\n\n<p><strong>T\u011bsn\u011bn\u00ed s jedn\u00edm rtem:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Obvykle jsou ur\u010deny pro n\u00edzkotlak\u00e9 aplikace<\/li>\n\n\n\n<li>B\u011b\u017en\u00e9 v syst\u00e9mech h\u0159\u00eddel\u00ed s mazivem a lehk\u00fdch h\u0159\u00eddel\u00ed.<\/li>\n\n\n\n<li>Nen\u00ed ide\u00e1ln\u00ed pro vysokotlak\u00e9 hydraulick\u00e9 syst\u00e9my bez op\u011brn\u00fdch krou\u017ek\u016f.<\/li>\n<\/ul>\n\n\n\n<p><strong>Dvojit\u00e9 t\u011bsn\u011bn\u00ed rt\u016f:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pou\u017e\u00edv\u00e1 se tak\u00e9 p\u0159edev\u0161\u00edm pro n\u00edzkotlak\u00e9 rota\u010dn\u00ed aplikace.<\/li>\n\n\n\n<li>Sekund\u00e1rn\u00ed okraj nen\u00ed ur\u010den k udr\u017een\u00ed tlaku.<\/li>\n\n\n\n<li>Pro vysokotlak\u00e9 prost\u0159ed\u00ed jsou zapot\u0159eb\u00ed specializovan\u00e1 hydraulick\u00e1 t\u011bsn\u011bn\u00ed nebo z\u00e1lo\u017en\u00ed krou\u017eky.<\/li>\n<\/ul>\n\n\n\n<p>Je d\u016fle\u017eit\u00e9 si uv\u011bdomit, \u017ee standardn\u00ed rtov\u00e1 t\u011bsn\u011bn\u00ed nenahrazuj\u00ed speci\u00e1ln\u00ed vysokotlak\u00e9 hydraulick\u00e9 t\u011bsnic\u00ed syst\u00e9my.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. T\u0159en\u00ed a tvorba tepla<\/h2>\n\n\n\n<p>T\u0159en\u00ed ovliv\u0148uje energetickou \u00fa\u010dinnost a rychlost opot\u0159eben\u00ed.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u011bsn\u011bn\u00ed s jedn\u00edm okrajem zp\u016fsobuj\u00ed ni\u017e\u0161\u00ed t\u0159en\u00ed a m\u00e9n\u011b se zah\u0159\u00edvaj\u00ed.<\/li>\n\n\n\n<li>Dvojit\u00e9 t\u011bsn\u011bn\u00ed zv\u011bt\u0161uje sty\u010dnou plochu, co\u017e vede k m\u00edrn\u011b vy\u0161\u0161\u00edmu t\u0159en\u00ed.<\/li>\n\n\n\n<li>Nadm\u011brn\u00e9 t\u0159en\u00ed m\u016f\u017ee v\u00e9st k opot\u0159eben\u00ed h\u0159\u00eddele a p\u0159ed\u010dasn\u00e9 degradaci t\u011bsn\u011bn\u00ed, pokud nen\u00ed spr\u00e1vn\u011b maz\u00e1no.<\/li>\n<\/ul>\n\n\n\n<p>U vysokorychlostn\u00edch aplikac\u00ed m\u016f\u017ee b\u00fdt pro minimalizaci t\u0159en\u00ed v\u00fdhodn\u011bj\u0161\u00ed konfigurace s jedn\u00edm okrajem.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5. \u00davahy o aplikaci<\/h2>\n\n\n\n<p><strong>T\u011bsn\u011bn\u00ed s jedn\u00edm rtem jsou nejvhodn\u011bj\u0161\u00ed pro:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Elektrick\u00e9 motory<\/li>\n\n\n\n<li>P\u0159evodovky v \u010dist\u00e9m prost\u0159ed\u00ed<\/li>\n\n\n\n<li>Vnit\u0159n\u00ed pr\u016fmyslov\u00e1 za\u0159\u00edzen\u00ed<\/li>\n\n\n\n<li>Lehk\u00e9 rota\u010dn\u00ed h\u0159\u00eddele<\/li>\n<\/ul>\n\n\n\n<p><strong>T\u011bsn\u011bn\u00ed s dvojit\u00fdmi rty jsou ide\u00e1ln\u00ed pro:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Stavebn\u00ed za\u0159\u00edzen\u00ed<\/li>\n\n\n\n<li>T\u011b\u017eebn\u00ed stroje<\/li>\n\n\n\n<li>Zem\u011bd\u011blsk\u00e1 technika<\/li>\n\n\n\n<li>Venkovn\u00ed prost\u0159ed\u00ed nebo prost\u0159ed\u00ed s vysokou pra\u0161nost\u00ed<\/li>\n<\/ul>\n\n\n\n<p>Rozhoduj\u00edc\u00edm faktorem je \u010dasto prost\u0159ed\u00ed aplikace.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">6. V\u00fdb\u011br materi\u00e1lu<\/h2>\n\n\n\n<p>B\u011b\u017en\u011b se vyr\u00e1b\u011bj\u00ed jak t\u011bsn\u011bn\u00ed s jednoduch\u00fdmi, tak s dvojit\u00fdmi rty:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>NBR (odolnost proti olej\u016fm pro v\u0161eobecn\u00e9 pou\u017eit\u00ed)<\/li>\n\n\n\n<li>FKM (odolnost v\u016f\u010di vysok\u00fdm teplot\u00e1m a chemik\u00e1li\u00edm)<\/li>\n\n\n\n<li>PTFE (n\u00edzk\u00e9 t\u0159en\u00ed a chemick\u00e1 kompatibilita)<\/li>\n<\/ul>\n\n\n\n<p>V\u00fdb\u011br materi\u00e1lu mus\u00ed odpov\u00eddat provozn\u00ed teplot\u011b, p\u016fsoben\u00ed chemik\u00e1li\u00ed a rychlosti ot\u00e1\u010den\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">7. \u017divotnost a \u00fadr\u017eba<\/h2>\n\n\n\n<p>T\u011bsn\u011bn\u00ed s dvojit\u00fdmi rty maj\u00ed obecn\u011b del\u0161\u00ed \u017eivotnost ve zne\u010di\u0161t\u011bn\u00fdch podm\u00ednk\u00e1ch d\u00edky zv\u00fd\u0161en\u00e9 ochran\u011b. Nicm\u00e9n\u011b:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Spr\u00e1vn\u00e1 povrchov\u00e1 \u00faprava h\u0159\u00eddele je rozhoduj\u00edc\u00ed<\/li>\n\n\n\n<li>Maz\u00e1n\u00ed mus\u00ed b\u00fdt udr\u017eov\u00e1no<\/li>\n\n\n\n<li>Pravideln\u00e1 kontrola zabra\u0148uje p\u0159ed\u010dasn\u00e9mu selh\u00e1n\u00ed<\/li>\n<\/ul>\n\n\n\n<p>V\u00fdb\u011br t\u011bsn\u011bn\u00ed by m\u011bl vyva\u017eovat riziko kontaminace, po\u017eadavky na tlak a citlivost na t\u0159en\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Z\u00e1v\u011br<\/h2>\n\n\n\n<p>Jednob\u0159it\u00e9 a dvoub\u0159it\u00e9 t\u011bsn\u011bn\u00ed slou\u017e\u00ed specifick\u00fdm pr\u016fmyslov\u00fdm pot\u0159eb\u00e1m. Jednob\u0159it\u00e9 t\u011bsn\u011bn\u00ed nab\u00edz\u00ed ni\u017e\u0161\u00ed t\u0159en\u00ed a \u00fa\u010dinnost v \u010dist\u00e9m prost\u0159ed\u00ed, zat\u00edmco dvoub\u0159it\u00e9 t\u011bsn\u011bn\u00ed poskytuje zv\u00fd\u0161enou ochranu proti zne\u010di\u0161t\u011bn\u00ed v n\u00e1ro\u010dn\u00fdch podm\u00ednk\u00e1ch.<\/p>\n\n\n\n<p>U aplikac\u00ed s vysok\u00fdm tlakem, n\u00e1razov\u00fdm zat\u00ed\u017een\u00edm nebo hydraulick\u00fdch syst\u00e9m\u016f je t\u0159eba zv\u00e1\u017eit specializovan\u00e1 \u0159e\u0161en\u00ed t\u011bsn\u011bn\u00ed nad r\u00e1mec standardn\u00edch konstrukc\u00ed s rty.<\/p>\n\n\n\n<p>V\u00fdb\u011br spr\u00e1vn\u00e9 konfigurace zaji\u0161\u0165uje vy\u0161\u0161\u00ed spolehlivost za\u0159\u00edzen\u00ed, ni\u017e\u0161\u00ed n\u00e1roky na \u00fadr\u017ebu a optimalizovan\u00fd provozn\u00ed v\u00fdkon.<\/p>","protected":false},"excerpt":{"rendered":"<p>In industrial machinery, selecting the correct sealing solution directly impacts equipment reliability, leakage control, and contamination protection. Two widely used radial sealing designs are single lip seals and double lip seals. While both are designed to retain lubrication and exclude contaminants, their structural differences significantly affect performance in pressure and dirty environments. Understanding these differences [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1893,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"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":"","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":[26],"tags":[1568,1571,1146,1572,1580,1574,1567,1566,1435,1576,1575,1570,1581,1577,1573,1579,1578,1569,1147],"class_list":["post-1892","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-product-knowledge","tag-bearing-protection-seals","tag-contamination-protection-seals","tag-double-lip-seal","tag-dust-resistant-shaft-seal","tag-fkm-shaft-seal","tag-gearbox-oil-seal-design","tag-heavy-duty-equipment-seals","tag-industrial-oil-seals","tag-industrial-sealing-system-design","tag-low-pressure-rotary-seal","tag-moisture-exclusion-seal","tag-nbr-oil-seal","tag-ptfe-lip-seal","tag-radial-shaft-seal","tag-rotary-equipment-sealing-solutions","tag-seal-material-selection-guide","tag-shaft-seal-friction-control","tag-shaft-surface-finish-requirements","tag-single-lip-seal"],"_links":{"self":[{"href":"https:\/\/www.wonzh.com\/cs\/wp-json\/wp\/v2\/posts\/1892","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wonzh.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wonzh.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wonzh.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wonzh.com\/cs\/wp-json\/wp\/v2\/comments?post=1892"}],"version-history":[{"count":1,"href":"https:\/\/www.wonzh.com\/cs\/wp-json\/wp\/v2\/posts\/1892\/revisions"}],"predecessor-version":[{"id":1894,"href":"https:\/\/www.wonzh.com\/cs\/wp-json\/wp\/v2\/posts\/1892\/revisions\/1894"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wonzh.com\/cs\/wp-json\/wp\/v2\/media\/1893"}],"wp:attachment":[{"href":"https:\/\/www.wonzh.com\/cs\/wp-json\/wp\/v2\/media?parent=1892"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wonzh.com\/cs\/wp-json\/wp\/v2\/categories?post=1892"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wonzh.com\/cs\/wp-json\/wp\/v2\/tags?post=1892"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}