{"id":2204,"date":"2026-10-19T18:52:53","date_gmt":"2026-10-19T16:52:53","guid":{"rendered":"https:\/\/vinylflex.cz\/?p=2204"},"modified":"2026-10-19T18:54:32","modified_gmt":"2026-10-19T16:54:32","slug":"jak-spravne-zmerit-prumer-trubky-nebo-zavitu-pred-objednavkou-krytky","status":"publish","type":"post","link":"https:\/\/vinylflex.cz\/en\/blog\/jak-spravne-zmerit-prumer-trubky-nebo-zavitu-pred-objednavkou-krytky\/","title":{"rendered":"Jak spr\u00e1vn\u011b zm\u011b\u0159it pr\u016fm\u011br trubky nebo z\u00e1vitu p\u0159ed objedn\u00e1vkou krytky"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Pro\u010d na spr\u00e1vn\u00e9m rozm\u011bru z\u00e1le\u017e\u00ed v\u00edc, ne\u017e se zd\u00e1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/vinylflex.cz\/en\/sortiment\/\" target=\"_blank\" rel=\"noopener\">Plastov\u00e9 krytky<\/a> VINYL-FLEX\u00ae funguj\u00ed na principu pru\u017en\u00e9ho sev\u0159en\u00ed \u2014 m\u011bk\u010den\u00e9 PVC se p\u0159izp\u016fsob\u00ed povrchu d\u00edlu a dr\u017e\u00ed samo, bez lepen\u00ed nebo upev\u0148ov\u00e1n\u00ed. To je velk\u00e1 v\u00fdhoda p\u0159i mont\u00e1\u017ei i demont\u00e1\u017ei, ale z\u00e1rove\u0148 to znamen\u00e1, \u017ee rozm\u011br mus\u00ed sed\u011bt p\u0159esn\u011b. V\u00fdrobn\u00ed tolerance krytek je \u00b10,3 mm u s\u00edly st\u011bny a \u00b11 mm u d\u00e9lky, tak\u017ee odchylka o pouh\u00e9 milimetry rozhoduje o tom, jestli krytka dr\u017e\u00ed, nebo ne.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud je pr\u016fm\u011br krytky p\u0159\u00edli\u0161 velk\u00fd, krytka na d\u00edlu voln\u011b sed\u00ed a p\u0159i manipulaci nebo p\u0159eprav\u011b snadno spadne \u2014 a ochrana p\u0159estane plnit sv\u016fj \u00fa\u010del. Pokud je naopak p\u0159\u00edli\u0161 mal\u00e1, krytku nelze nasadit bez po\u0161kozen\u00ed materi\u00e1lu nebo samotn\u00e9ho d\u00edlu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Co budete pot\u0159ebovat<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">K p\u0159esn\u00e9mu m\u011b\u0159en\u00ed sta\u010d\u00ed jedno z\u00e1kladn\u00ed n\u00e1\u0159ad\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Posuvn\u00e9 m\u011b\u0159\u00edtko (\u0161uplera)<\/strong> \u2014 nejspolehliv\u011bj\u0161\u00ed n\u00e1stroj pro pr\u016fm\u011bry do 150 mm, p\u0159esnost 0,1 mm nebo lep\u0161\u00ed<\/li>\n\n\n\n<li>P\u0159\u00edpadn\u011b mikrometr pro velmi mal\u00e9 pr\u016fm\u011bry (pod 5 mm)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Svinovac\u00ed metr nebo prav\u00edtko pro m\u011b\u0159en\u00ed pr\u016fm\u011bru nesta\u010d\u00ed \u2014 nedok\u00e1\u017e\u00ed p\u0159esn\u011b zachytit kulat\u00fd pr\u016f\u0159ez.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Krytka na trubku nebo ty\u010d: m\u011b\u0159te vn\u011bj\u0161\u00ed pr\u016fm\u011br<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">U trubek a ty\u010d\u00ed se krytka nasazuje <strong>zvenku na konec profilu<\/strong>. Rozhoduj\u00edc\u00ed je proto <strong>vn\u011bj\u0161\u00ed pr\u016fm\u011br (OD \u2014 outer diameter)<\/strong> chr\u00e1n\u011bn\u00e9ho d\u00edlu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Postup m\u011b\u0159en\u00ed:<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>P\u0159ilo\u017ete \u010delisti posuvn\u00e9ho m\u011b\u0159\u00edtka kolmo na osu trubky, na sam\u00fd konec profilu.<\/li>\n\n\n\n<li>\u010celisti lehce p\u0159it\u00e1hn\u011bte tak, aby se dot\u00fdkaly povrchu bez v\u016fle, ale bez deformace materi\u00e1lu.<\/li>\n\n\n\n<li>Ode\u010dt\u011bte hodnotu \u2014 to je rozm\u011br, kter\u00fd zad\u00e1v\u00e1te p\u0159i v\u00fdb\u011bru krytky.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>P\u0159\u00edklad:<\/strong> Trubka s vn\u011bj\u0161\u00edm pr\u016fm\u011brem 22 mm \u2192 objedn\u00e1te krytku v\u00e1lcovou 22 mm.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Pozor na opot\u0159eben\u00ed konc\u016f.<\/strong> Pokud je trubka na konci m\u00edrn\u011b ov\u00e1ln\u00e1 nebo otlu\u010den\u00e1 (\u010dast\u00e9 u star\u0161\u00edch profil\u016f z v\u00fdroby), zm\u011b\u0159te pr\u016fm\u011br na v\u00edce m\u00edstech a berte pr\u016fm\u011br z nam\u011b\u0159en\u00fdch hodnot.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/vinylflex.cz\/en\/sortiment\/valcove-krytky\/\" target=\"_blank\" rel=\"noopener\">Round caps<\/a> VINYL-FLEX\u00ae jsou dostupn\u00e9 ve vnit\u0159n\u00edm pr\u016fm\u011bru <strong>od 2 do 110 mm<\/strong> \u2014 to pokr\u00fdv\u00e1 naprostou v\u011bt\u0161inu standardn\u011b pou\u017e\u00edvan\u00fdch profil\u016f v pr\u016fmyslu, stroj\u00edrenstv\u00ed i stavebnictv\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Krytka na z\u00e1vit: m\u011b\u0159te vn\u011bj\u0161\u00ed pr\u016fm\u011br z\u00e1vitu, ne jmenovit\u00fd rozm\u011br<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tady vznik\u00e1 nej\u010dast\u011bj\u0161\u00ed z\u00e1m\u011bna. Mnoho z\u00e1kazn\u00edk\u016f zad\u00e1 p\u0159i objedn\u00e1vce <strong>jmenovit\u00fd rozm\u011br z\u00e1vitu<\/strong> (nap\u0159\u00edklad M20), ale to nen\u00ed tot\u00e9\u017e co vn\u011bj\u0161\u00ed pr\u016fm\u011br z\u00e1vitu, kter\u00fd je pro v\u00fdb\u011br krytky rozhoduj\u00edc\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Jak to funguje:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Jmenovit\u00fd rozm\u011br z\u00e1vitu (M20, M24 apod.) ozna\u010duje <strong>nomin\u00e1ln\u00ed pr\u016fm\u011br<\/strong> \u2014 skute\u010dn\u00fd vn\u011bj\u0161\u00ed pr\u016fm\u011br z\u00e1vitu je ale v\u017edy o desetiny milimetru men\u0161\u00ed kv\u016fli toleranc\u00edm.<\/li>\n\n\n\n<li>Krytka se nasazuje na vn\u011bj\u0161\u00ed pr\u016fm\u011br z\u00e1vitu, tak\u017ee mus\u00edte zm\u011b\u0159it skute\u010dn\u00fd rozm\u011br, ne jen p\u0159e\u010d\u00edst ozna\u010den\u00ed ze \u0161roubu nebo v\u00fdkresu.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Postup m\u011b\u0159en\u00ed:<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>P\u0159ilo\u017ete \u010delisti posuvn\u00e9ho m\u011b\u0159\u00edtka p\u0159es z\u00e1vit kolmo na osu \u0161roubu nebo \u010depu.<\/li>\n\n\n\n<li>M\u011b\u0159te na h\u0159ebenech z\u00e1vitu (nejvy\u0161\u0161\u00ed bod profilu z\u00e1vitu) \u2014 to je nejv\u011bt\u0161\u00ed pr\u016fm\u011br, kter\u00fd krytka mus\u00ed p\u0159ekonat p\u0159i nasazov\u00e1n\u00ed.<\/li>\n\n\n\n<li>Zaznamenejte nam\u011b\u0159enou hodnotu a podle n\u00ed vyberte krytku.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>P\u0159\u00edklad:<\/strong> \u0160roub M20 m\u00e1 skute\u010dn\u00fd vn\u011bj\u0161\u00ed pr\u016fm\u011br z\u00e1vitu p\u0159ibli\u017en\u011b 19,8 mm \u2192 vhodn\u00e1 krytka je v\u00e1lcov\u00e1 20 mm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/vinylflex.cz\/en\/sortiment\/\" target=\"_blank\" rel=\"noopener\">Plastov\u00e9 krytky<\/a> jsou vyrobeny z m\u011bk\u010den\u00e9ho PVC tvrdosti 60 Shore A, kter\u00e9 je dostate\u010dn\u011b pru\u017en\u00e9, aby se p\u0159izp\u016fsobilo profilu z\u00e1vitu, ani\u017e by ho po\u0161kodilo nebo zanechalo otisky.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Krytka na kabel nebo vodi\u010d: m\u011b\u0159te vn\u011bj\u0161\u00ed pr\u016fm\u011br izolace<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">U kabel\u016f a vodi\u010d\u016f plat\u00ed stejn\u00fd princip jako u trubek \u2014 m\u011b\u0159\u00edte <strong>vn\u011bj\u0161\u00ed pr\u016fm\u011br izolace<\/strong> v m\u00edst\u011b, kde bude krytka nasazena.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kabely m\u00edvaj\u00ed pr\u016f\u0159ez m\u00edrn\u011b ov\u00e1ln\u00fd, proto zm\u011b\u0159te pr\u016fm\u011br na dvou m\u00edstech (oto\u010dte m\u011b\u0159\u00edtko o 90\u00b0) a pou\u017eijte v\u011bt\u0161\u00ed z nam\u011b\u0159en\u00fdch hodnot. Krytka pak bude pevn\u011b sed\u011bt i na m\u00edrn\u011b nepravideln\u00e9m pr\u016f\u0159ezu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Krytka na \u010dep nebo h\u0159\u00eddel: vnit\u0159n\u00ed pr\u016fm\u011br krytky = vn\u011bj\u0161\u00ed pr\u016fm\u011br d\u00edlu<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Stejn\u00e9 pravidlo plat\u00ed pro \u010depy, h\u0159\u00eddele a v\u00e1lcov\u00e9 sou\u010d\u00e1sti ve v\u00fdrob\u011b. V\u017edy m\u011b\u0159\u00edte <strong>vn\u011bj\u0161\u00ed pr\u016fm\u011br chr\u00e1n\u011bn\u00e9ho d\u00edlu<\/strong> a hled\u00e1te krytku, jej\u00ed\u017e <strong>vnit\u0159n\u00ed pr\u016fm\u011br<\/strong> tomuto rozm\u011bru odpov\u00edd\u00e1.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Jak ur\u010dit pot\u0159ebnou d\u00e9lku krytky<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00e9lka krytky z\u00e1vis\u00ed na tom, jak dlouhou \u010d\u00e1st d\u00edlu chcete chr\u00e1nit. Zm\u011b\u0159te d\u00e9lku z\u00e1vitu, konce trubky nebo \u010d\u00e1sti \u010depu, kter\u00e1 m\u00e1 b\u00fdt zakryta, a p\u0159idejte 2\u20135 mm jako rezervu pro bezpe\u010dn\u00e9 dosednut\u00ed krytky.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">VINYL-FLEX\u00ae vyr\u00e1b\u00ed krytky v r\u016fzn\u00fdch d\u00e9lk\u00e1ch a v p\u0159\u00edpad\u011b nestandardn\u00edho po\u017eadavku zajist\u00ed i p\u0159esn\u00e9 \u0159ez\u00e1n\u00ed na m\u00edru. Pokud pot\u0159ebujete chr\u00e1nit kovov\u00fd d\u00edl komplexn\u011bji, nab\u00edz\u00ed VINYL-FLEX\u00ae tak\u00e9 <a href=\"https:\/\/vinylflex.cz\/en\/sluzby\/povrchova-uprava-plastem\/\" target=\"_blank\" rel=\"noopener\">povrchovou \u00fapravu plastem<\/a> \u2014 trval\u00e9 obalen\u00ed kovov\u00e9ho d\u00edlu vrstvou PVC p\u0159\u00edmo ve v\u00fdrob\u011b.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Co d\u011blat, kdy\u017e si nejste jist\u00ed<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud m\u011b\u0159\u00edte atypick\u00fd d\u00edl, m\u00e1te pochybnosti o toleranc\u00edch nebo pot\u0159ebujete ov\u011b\u0159it rozm\u011br p\u0159ed v\u011bt\u0161\u00ed objedn\u00e1vkou, VINYL-FLEX\u00ae zas\u00edl\u00e1 <strong>free samples<\/strong>. Sta\u010d\u00ed kontaktovat t\u00fdm na <a href=\"mailto:info@vinylflex.cz\" target=\"_blank\" rel=\"noopener\">info@vinylflex.cz<\/a> nebo +420 475 601 390 \u2014 dostanete vzorek p\u0159\u00edmo na v\u00e1\u0161 d\u00edl a objedn\u00e1te a\u017e tehdy, kdy\u017e v\u00edte, \u017ee krytka sed\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pro nestandardn\u00ed pr\u016fm\u011bry nebo speci\u00e1ln\u00ed tvary je k dispozici tak\u00e9 <strong>zak\u00e1zkov\u00e1 v\u00fdroba<\/strong> podle v\u00fdkresu nebo dodan\u00e9ho vzorku, v\u010detn\u011b v\u00fdroby vlastn\u00edho n\u00e1stroje.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Shrnut\u00ed: co si zapamatovat<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Typ d\u00edlu<\/th><th>Co m\u011b\u0159it<\/th><th>N\u00e1stroj<\/th><\/tr><\/thead><tbody><tr><td>Trubka, ty\u010d<\/td><td>Vn\u011bj\u0161\u00ed pr\u016fm\u011br (OD)<\/td><td>Posuvn\u00e9 m\u011b\u0159\u00edtko<\/td><\/tr><tr><td>Z\u00e1vit, \u0161roub<\/td><td>Vn\u011bj\u0161\u00ed pr\u016fm\u011br z\u00e1vitu (na h\u0159ebenech)<\/td><td>Posuvn\u00e9 m\u011b\u0159\u00edtko<\/td><\/tr><tr><td>Kabel, vodi\u010d<\/td><td>Vn\u011bj\u0161\u00ed pr\u016fm\u011br izolace<\/td><td>Posuvn\u00e9 m\u011b\u0159\u00edtko<\/td><\/tr><tr><td>\u010cep, h\u0159\u00eddel<\/td><td>Outside diameter of the part<\/td><td>Posuvn\u00e9 m\u011b\u0159\u00edtko<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Kl\u00ed\u010dov\u00e9 pravidlo:<\/strong> Vnit\u0159n\u00ed pr\u016fm\u011br krytky mus\u00ed odpov\u00eddat vn\u011bj\u0161\u00edmu pr\u016fm\u011bru chr\u00e1n\u011bn\u00e9ho d\u00edlu. Nikdy nezad\u00e1vejte jmenovit\u00fd rozm\u011br z\u00e1vitu jako n\u00e1hradu za skute\u010dn\u011b nam\u011b\u0159enou hodnotu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Nej\u010dast\u011bj\u0161\u00ed ot\u00e1zky<\/h3>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1792428541736\"><strong class=\"schema-faq-question\"><strong>Jak pozn\u00e1m, jestli je krytka spr\u00e1vn\u011b nasazena?<\/strong> <\/strong> <p class=\"schema-faq-answer\">Spr\u00e1vn\u011b nasazen\u00e1 krytka dr\u017e\u00ed na d\u00edlu bez lepen\u00ed, nespadne p\u0159i oto\u010den\u00ed ani p\u0159i m\u00edrn\u00e9m zat\u0159esen\u00ed a d\u00e1 se sejmout rukou bez n\u00e1stroj\u016f. Pokud krytka klou\u017ee nebo ji nelze nasadit bez velk\u00e9 s\u00edly, rozm\u011br nesed\u00ed.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1792428583168\"><strong class=\"schema-faq-question\"><strong>Mohu pou\u017e\u00edt krytku o 0,5 mm v\u011bt\u0161\u00ed, ne\u017e je pr\u016fm\u011br m\u00e9ho d\u00edlu?<\/strong><\/strong> <p class=\"schema-faq-answer\">U men\u0161\u00edch pr\u016fm\u011br\u016f (do cca 20 mm) m\u016f\u017ee b\u00fdt odchylka 0,5 mm na hran\u011b pou\u017eitelnosti \u2014 krytka bude sed\u011bt voln\u011bji. U v\u011bt\u0161\u00edch pr\u016fm\u011br\u016f se pru\u017enost PVC projev\u00ed m\u00e9n\u011b a krytka nemus\u00ed dr\u017eet spolehliv\u011b. Doporu\u010dujeme v\u017edy vyb\u00edrat p\u0159esn\u00fd rozm\u011br nebo si vy\u017e\u00e1dat vzorek.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1792428640300\"><strong class=\"schema-faq-question\"><strong>Co kdy\u017e m\u00e1m trubku s nestandardn\u00edm pr\u016fm\u011brem, kter\u00fd v katalogu nen\u00ed?<\/strong><\/strong> <p class=\"schema-faq-answer\">VINYL-FLEX\u00ae vyr\u00e1b\u00ed krytky na zak\u00e1zku podle v\u00fdkresu nebo vzorku. Standardn\u00ed skladov\u00e9 rozm\u011bry jsou od 2 do 110 mm, pro atypick\u00e9 rozm\u011bry sta\u010d\u00ed zaslat popt\u00e1vku.<\/p> <\/div> <\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Pot\u0159ebujete poradit s v\u00fdb\u011brem rozm\u011bru nebo si chcete ov\u011b\u0159it krytku na vlastn\u00edm d\u00edlu? Kontaktujte n\u00e1s na <a href=\"mailto:info@vinylflex.cz\" target=\"_blank\" rel=\"noopener\">info@vinylflex.cz<\/a> nebo si prohl\u00e9dn\u011bte cel\u00fd sortiment<\/em><a href=\"https:\/\/www.krytky-krytka.cz\/\"><em> <\/em>krytek<em> v e-shopu VINYL-FLEX\u00ae.<\/em><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>\u0160patn\u011b zm\u011b\u0159en\u00fd pr\u016fm\u011br je nej\u010dast\u011bj\u0161\u00ed d\u016fvod, pro\u010d objednan\u00e1 krytka nepasuje. Krytka bu\u010f nesed\u00ed pevn\u011b a pad\u00e1 z d\u00edlu, nebo se ned\u00e1 nasadit v\u016fbec. P\u0159itom sta\u010d\u00ed v\u011bd\u011bt, co p\u0159esn\u011b m\u011b\u0159it \u2014 a probl\u00e9m zmiz\u00ed d\u0159\u00edv, ne\u017e vznikne. Tento n\u00e1vod v\u00e1m uk\u00e1\u017ee, jak na to krok za krokem, a\u0165 chr\u00e1n\u00edte trubku, z\u00e1vit, \u010dep nebo kabel.<\/p>","protected":false},"author":4,"featured_media":2207,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[27],"tags":[],"class_list":["post-2204","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-krytky"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Jak zm\u011b\u0159it pr\u016fm\u011br trubky nebo z\u00e1vitu p\u0159ed objedn\u00e1vkou krytky - VINYL-FLEX\u00ae<\/title>\n<meta name=\"description\" content=\"\u0160patn\u011b zm\u011b\u0159en\u00fd pr\u016fm\u011br je nej\u010dast\u011bj\u0161\u00ed d\u016fvod, pro\u010d krytka nepasuje. P\u0159e\u010dt\u011bte si praktick\u00fd n\u00e1vod, jak spr\u00e1vn\u011b m\u011b\u0159it trubky, z\u00e1vity i profily, a objednejte napoprv\u00e9.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/vinylflex.cz\/en\/blog\/jak-spravne-zmerit-prumer-trubky-nebo-zavitu-pred-objednavkou-krytky\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak zm\u011b\u0159it pr\u016fm\u011br trubky nebo z\u00e1vitu p\u0159ed objedn\u00e1vkou krytky - VINYL-FLEX\u00ae\" \/>\n<meta property=\"og:description\" content=\"\u0160patn\u011b zm\u011b\u0159en\u00fd pr\u016fm\u011br je nej\u010dast\u011bj\u0161\u00ed d\u016fvod, pro\u010d krytka nepasuje. P\u0159e\u010dt\u011bte si praktick\u00fd n\u00e1vod, jak spr\u00e1vn\u011b m\u011b\u0159it trubky, z\u00e1vity i profily, a objednejte napoprv\u00e9.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/vinylflex.cz\/en\/blog\/jak-spravne-zmerit-prumer-trubky-nebo-zavitu-pred-objednavkou-krytky\/\" \/>\n<meta property=\"og:site_name\" content=\"VynilFlex - Plastov\u00e9 krytky pro v\u00fdrobu, kter\u00e1 se nezastav\u00ed\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/profile.php?id=61583535082267\" \/>\n<meta property=\"article:published_time\" content=\"2026-10-19T16:52:53+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-19T16:54:32+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/vinylflex.cz\/wp-content\/uploads\/2026\/10\/Jak-spravne-zmerit-prumer-trubky.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"1024\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Vynil Flex\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Vynil Flex\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/vinylflex.cz\\\/blog\\\/jak-spravne-zmerit-prumer-trubky-nebo-zavitu-pred-objednavkou-krytky\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/vinylflex.cz\\\/blog\\\/jak-spravne-zmerit-prumer-trubky-nebo-zavitu-pred-objednavkou-krytky\\\/\"},\"author\":{\"name\":\"Vynil Flex\",\"@id\":\"https:\\\/\\\/vinylflex.cz\\\/#\\\/schema\\\/person\\\/b5cc248434029568f09073879834f7f2\"},\"headline\":\"Jak spr\u00e1vn\u011b zm\u011b\u0159it pr\u016fm\u011br trubky nebo z\u00e1vitu p\u0159ed objedn\u00e1vkou krytky\",\"datePublished\":\"2026-10-19T16:52:53+00:00\",\"dateModified\":\"2026-10-19T16:54:32+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/vinylflex.cz\\\/blog\\\/jak-spravne-zmerit-prumer-trubky-nebo-zavitu-pred-objednavkou-krytky\\\/\"},\"wordCount\":1357,\"publisher\":{\"@id\":\"https:\\\/\\\/vinylflex.cz\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/vinylflex.cz\\\/blog\\\/jak-spravne-zmerit-prumer-trubky-nebo-zavitu-pred-objednavkou-krytky\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/vinylflex.cz\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/Jak-spravne-zmerit-prumer-trubky.jpeg\",\"articleSection\":[\"Krytky\"],\"inLanguage\":\"en-GB\"},{\"@type\":[\"WebPage\",\"FAQPage\"],\"@id\":\"https:\\\/\\\/vinylflex.cz\\\/blog\\\/jak-spravne-zmerit-prumer-trubky-nebo-zavitu-pred-objednavkou-krytky\\\/\",\"url\":\"https:\\\/\\\/vinylflex.cz\\\/blog\\\/jak-spravne-zmerit-prumer-trubky-nebo-zavitu-pred-objednavkou-krytky\\\/\",\"name\":\"Jak zm\u011b\u0159it pr\u016fm\u011br trubky nebo z\u00e1vitu p\u0159ed objedn\u00e1vkou krytky - VINYL-FLEX\u00ae\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/vinylflex.cz\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/vinylflex.cz\\\/blog\\\/jak-spravne-zmerit-prumer-trubky-nebo-zavitu-pred-objednavkou-krytky\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/vinylflex.cz\\\/blog\\\/jak-spravne-zmerit-prumer-trubky-nebo-zavitu-pred-objednavkou-krytky\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/vinylflex.cz\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/Jak-spravne-zmerit-prumer-trubky.jpeg\",\"datePublished\":\"2026-10-19T16:52:53+00:00\",\"dateModified\":\"2026-10-19T16:54:32+00:00\",\"description\":\"\u0160patn\u011b zm\u011b\u0159en\u00fd pr\u016fm\u011br je nej\u010dast\u011bj\u0161\u00ed d\u016fvod, pro\u010d krytka nepasuje. 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