{"id":4396,"date":"2025-12-02T10:37:31","date_gmt":"2025-12-02T09:37:31","guid":{"rendered":"https:\/\/alkion.eu\/?p=4396"},"modified":"2026-02-04T08:12:09","modified_gmt":"2026-02-04T07:12:09","slug":"tesnost-potrubi-jako-predpoklad-cistoty-2-dil-o-norme-en-15780","status":"publish","type":"post","link":"https:\/\/alkion.eu\/cs\/tesnost-potrubi-jako-predpoklad-cistoty-2-dil-o-norme-en-15780\/","title":{"rendered":"T\u011bsnost potrub\u00ed jako p\u0159edpoklad \u010distoty – 2. d\u00edl o norm\u011b EN 15780"},"content":{"rendered":"\n

2. d\u00edl seri\u00e1lu \u201e\u010cistota vzduchotechniky v nov\u00e9m pojet\u00ed\u201c. <\/p>\n\n\n\n

\n

1. d\u00edl si m\u016f\u017eete p\u0159e\u010d\u00edst ZDE<\/a>.<\/p>\n<\/blockquote>\n\n\n\n

Nov\u00e1 evropsk\u00e1 norma EN 15780:2025, vydan\u00e1 v l\u00e9t\u011b 2025, p\u0159in\u00e1\u0161\u00ed dal\u0161\u00ed d\u016fle\u017eitou zm\u011bnu, kter\u00e1 z\u00e1sadn\u011b ovlivn\u00ed p\u0159\u00edstup k hygien\u011b vzduchotechnick\u00fdch syst\u00e9m\u016f. Poprv\u00e9 spojuje dv\u011b d\u0159\u00edve odd\u011blen\u00e9 oblasti \u2013 \u010distotu vnit\u0159n\u00edho povrchu potrub\u00ed a jeho t\u011bsnost. Ofici\u00e1ln\u00ed \u010desk\u00fd p\u0159eklad je v p\u0159\u00edprav\u011b a \u00daNMZ jej pl\u00e1nuje zve\u0159ejnit na za\u010d\u00e1tku roku 2026.<\/p>\n\n\n\n

Pro\u010d je t\u011bsnost stejn\u011b d\u016fle\u017eit\u00e1 jako \u010di\u0161t\u011bn\u00ed<\/h2>\n\n\n\n

Norma poprv\u00e9 zd\u016fraz\u0148uje, \u017ee hygienick\u00fd stav syst\u00e9mu nelze odd\u011blit od jeho t\u011bsnosti. V kapitole F (\u201eDuctwork \u2013 Specific installation guidance\u201c) je uvedeno: \u201eAirtightness of the ductwork is also important for cleanliness.\u201c<\/em> Tento kr\u00e1tk\u00fd, ale z\u00e1sadn\u00ed v\u00fdrok posouv\u00e1 logiku cel\u00e9ho oboru. Net\u011bsn\u00e9 potrub\u00ed umo\u017e\u0148uje nas\u00e1v\u00e1n\u00ed prachu z dutin, \u0161achet a podhled\u016f, pronik\u00e1n\u00ed mikroorganism\u016f i vlhkosti do proud\u00edc\u00edho vzduchu a z dlouhodob\u00e9ho hlediska znemo\u017e\u0148uje udr\u017eet dosa\u017eenou \u010distotu po vy\u010di\u0161t\u011bn\u00ed.<\/p>\n\n\n\n

Z pohledu provozu to znamen\u00e1, \u017ee i syst\u00e9m, kter\u00fd byl podle EN 15780 mechanicky vy\u010di\u0161t\u011bn, nemus\u00ed b\u00fdt pova\u017eov\u00e1n za hygienicky \u010dist\u00fd, pokud nevyhovuje po\u017eadavk\u016fm na t\u011bsnost podle EN 16798-3.<\/p>\n\n\n\n

Nov\u00fd vztah mezi \u010distotou (PDI) a t\u0159\u00eddou t\u011bsnosti (ATC)<\/h2>\n\n\n\n

P\u0159\u00edloha F nov\u00e9 EN 15780 popisuje t\u0159\u00ed\u00farov\u0148ov\u00fd syst\u00e9m PDI (Protection, Delivery and Installation Level), kter\u00fd stanovuje \u00farove\u0148 ochrany a instalace potrub\u00ed podle \u00fa\u010delu budovy. Ka\u017ed\u00e9 \u00farovni PDI odpov\u00edd\u00e1 minim\u00e1ln\u00ed po\u017eadovan\u00e1 t\u0159\u00edda t\u011bsnosti ATC (Airtightness Test Class) \u2013 a pr\u00e1v\u011b zde vznik\u00e1 p\u0159\u00edm\u00e1 vazba mezi hygienou a energetickou \u00fa\u010dinnost\u00ed.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u201eThe level of airtightness of the ductwork shall correspond to the selected cleanliness level (PDI). For advanced cleanliness levels, higher airtightness classes shall be required.\u201c<\/em> (EN 15780:2025, Annex F.3)<\/p>\n\n\n\n

Jak se vazba mezi \u010distotou a t\u011bsnost\u00ed prom\u00edtne do praxe<\/h2>\n\n\n\n

Z pohledu projektant\u016f je nutn\u00e9, aby u\u017e v projektov\u00e9 dokumentaci byla stanovena nejen c\u00edlov\u00e1 \u00farove\u0148 \u010distoty, ale i odpov\u00eddaj\u00edc\u00ed t\u0159\u00edda t\u011bsnosti. Zad\u00e1n\u00ed \u201et\u0159\u00edda \u010distoty High\u201c tedy automaticky znamen\u00e1 po\u017eadavek na t\u0159\u00eddu t\u011bsnosti D (ATC 2).<\/p>\n\n\n\n

Pro mont\u00e1\u017en\u00ed firmy to znamen\u00e1 volit p\u0159\u00edruby, t\u011bsn\u011bn\u00ed a spojovac\u00ed materi\u00e1l vhodn\u00fd pro danou t\u0159\u00eddu ATC, a dodr\u017eet spr\u00e1vn\u00e9 postupy p\u0159i ut\u011bsn\u011bn\u00ed spoj\u016f. V p\u0159\u00edpad\u011b reviz\u00ed a inspekc\u00ed se pak posuzuje nejen vizu\u00e1ln\u00ed \u010distota a gravimetrick\u00e1 hodnota prachu, ale tak\u00e9 m\u00edra net\u011bsnosti \u2013 v praxi nej\u010dast\u011bji m\u011b\u0159en\u00e1 tlakovou zkou\u0161kou podle EN 16798-3.<\/p>\n\n\n\n

Podle dokumentu Ventilation Hygiene Guide<\/a> od evropsk\u00e9 asociace EVHA net\u011bsnosti potrub\u00ed umo\u017e\u0148uj\u00ed pronik\u00e1n\u00ed nefiltrovan\u00e9ho vzduchu do syst\u00e9mu a \u0161\u00ed\u0159en\u00ed ne\u010distot.<\/p>\n\n\n\n

\"\"
Vzorov\u00e9 potrub\u00ed p\u0159ed a po zat\u011bsn\u011bn\u00ed technologi\u00ed Aeroseal.<\/figcaption><\/figure>\n\n\n\n

Souvislost s energetickou \u00fa\u010dinnost\u00ed<\/h2>\n\n\n\n

T\u011bsnost potrub\u00ed je sou\u010dasn\u011b energetick\u00fd po\u017eadavek. Ka\u017ed\u00e9 procento \u00faniku vzduchu znamen\u00e1 ztr\u00e1tu tlaku a zv\u00fd\u0161en\u00fd p\u0159\u00edkon ventil\u00e1tor\u016f. Pr\u00e1v\u011b proto nov\u00e1 EN 15780 propojuje hygienu a energetiku v jednotn\u00e9m syst\u00e9mu hodnocen\u00ed. \u010cist\u00e9 a t\u011bsn\u00e9 potrub\u00ed tak nen\u00ed jen z\u00e1rukou zdrav\u00e9ho vnit\u0159n\u00edho prost\u0159ed\u00ed, ale i ni\u017e\u0161\u00ed spot\u0159eby energie a men\u0161\u00edho uhl\u00edkov\u00e9ho dopadu budovy.<\/p>\n\n\n\n

C\u00edlem je trvale \u010dist\u00fd a \u00fa\u010dinn\u00fd syst\u00e9m<\/h2>\n\n\n\n

Spojen\u00ed \u010distoty a t\u011bsnosti je logick\u00fdm krokem, kter\u00fd odr\u00e1\u017e\u00ed v\u00fdvoj posledn\u00ed dek\u00e1dy. Zku\u0161enosti z m\u011b\u0159en\u00ed na re\u00e1ln\u00fdch projektech v Evrop\u011b ukazuj\u00ed, \u017ee i mal\u00e9 net\u011bsnosti mohou v\u00e9st k rychl\u00e9mu zhor\u0161en\u00ed \u010distoty a n\u00e1sledn\u011b k poklesu \u00fa\u010dinnosti cel\u00e9ho syst\u00e9mu. Jak nov\u00e1 EN 15780:2025 zd\u016fraz\u0148uje, dlouhodob\u011b \u010dist\u00fd syst\u00e9m nelze udr\u017eet bez odpov\u00eddaj\u00edc\u00ed t\u011bsnosti. Oba parametry \u2013 \u010distotu i t\u011bsnost \u2013 je t\u0159eba posuzovat a dokumentovat spole\u010dn\u011b.<\/p>\n\n\n\n

V posledn\u00edm d\u00edlu seri\u00e1lu se zam\u011b\u0159\u00edme na dal\u0161\u00ed drobn\u00e9, ale prakticky v\u00fdznamn\u00e9 novinky nov\u00e9 normy EN 15780:2025 \u2013 nap\u0159\u00edklad aktualizovan\u00e9 metody hodnocen\u00ed \u010distoty, p\u0159esn\u011bj\u0161\u00ed limity pro gravimetrick\u00e1 m\u011b\u0159en\u00ed a nov\u00e9 po\u017eadavky na inspekce a dokumentaci.<\/em><\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

2. d\u00edl seri\u00e1lu \u201e\u010cistota vzduchotechniky v nov\u00e9m pojet\u00ed\u201c. 1. d\u00edl si m\u016f\u017eete p\u0159e\u010d\u00edst ZDE. Nov\u00e1 evropsk\u00e1 norma EN 15780:2025, vydan\u00e1 v l\u00e9t\u011b 2025, p\u0159in\u00e1\u0161\u00ed dal\u0161\u00ed d\u016fle\u017eitou zm\u011bnu, kter\u00e1 z\u00e1sadn\u011b ovlivn\u00ed p\u0159\u00edstup k hygien\u011b vzduchotechnick\u00fdch syst\u00e9m\u016f. Poprv\u00e9 spojuje dv\u011b d\u0159\u00edve odd\u011blen\u00e9 oblasti \u2013 \u010distotu vnit\u0159n\u00edho povrchu potrub\u00ed a jeho t\u011bsnost. Ofici\u00e1ln\u00ed \u010desk\u00fd p\u0159eklad je v p\u0159\u00edprav\u011b a \u00daNMZ jej pl\u00e1nuje zve\u0159ejnit na za\u010d\u00e1tku roku […]<\/p>\n","protected":false},"author":3,"featured_media":3525,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[15,36],"tags":[],"class_list":["post-4396","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aktuality","category-vyzkum"],"acf":[],"yoast_head":"\nT\u011bsnost potrub\u00ed jako p\u0159edpoklad \u010distoty - 2. d\u00edl o norm\u011b EN 15780 - Alkion<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/alkion.eu\/cs\/tesnost-potrubi-jako-predpoklad-cistoty-2-dil-o-norme-en-15780\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"T\u011bsnost potrub\u00ed jako p\u0159edpoklad \u010distoty - 2. d\u00edl o norm\u011b EN 15780 - Alkion\" \/>\n<meta property=\"og:description\" content=\"2. d\u00edl seri\u00e1lu \u201e\u010cistota vzduchotechniky v nov\u00e9m pojet\u00ed\u201c. 1. d\u00edl si m\u016f\u017eete p\u0159e\u010d\u00edst ZDE. 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Nov\u00e1 evropsk\u00e1 norma EN 15780:2025, vydan\u00e1 v l\u00e9t\u011b 2025, p\u0159in\u00e1\u0161\u00ed dal\u0161\u00ed d\u016fle\u017eitou zm\u011bnu, kter\u00e1 z\u00e1sadn\u011b ovlivn\u00ed p\u0159\u00edstup k hygien\u011b vzduchotechnick\u00fdch syst\u00e9m\u016f. Poprv\u00e9 spojuje dv\u011b d\u0159\u00edve odd\u011blen\u00e9 oblasti \u2013 \u010distotu vnit\u0159n\u00edho povrchu potrub\u00ed a jeho t\u011bsnost. Ofici\u00e1ln\u00ed \u010desk\u00fd p\u0159eklad je v p\u0159\u00edprav\u011b a \u00daNMZ jej pl\u00e1nuje zve\u0159ejnit na za\u010d\u00e1tku roku […]","og_url":"https:\/\/alkion.eu\/cs\/tesnost-potrubi-jako-predpoklad-cistoty-2-dil-o-norme-en-15780\/","og_site_name":"Alkion","article_publisher":"https:\/\/www.facebook.com\/Alkionservice\/","article_published_time":"2025-12-02T09:37:31+00:00","article_modified_time":"2026-02-04T07:12:09+00:00","og_image":[{"width":891,"height":581,"url":"https:\/\/alkion.eu\/wp-content\/uploads\/2024\/02\/prubeh-tesneni-aeroseal.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Napsal(a)":"dalimil.petrilak@alkion.eu","Odhadovan\u00e1 doba \u010dten\u00ed":"3 minuty"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/alkion.eu\/cs\/tesnost-potrubi-jako-predpoklad-cistoty-2-dil-o-norme-en-15780\/#article","isPartOf":{"@id":"https:\/\/alkion.eu\/cs\/tesnost-potrubi-jako-predpoklad-cistoty-2-dil-o-norme-en-15780\/"},"headline":"T\u011bsnost potrub\u00ed jako p\u0159edpoklad \u010distoty – 2. d\u00edl o norm\u011b EN 15780","datePublished":"2025-12-02T09:37:31+00:00","dateModified":"2026-02-04T07:12:09+00:00","mainEntityOfPage":{"@id":"https:\/\/alkion.eu\/cs\/tesnost-potrubi-jako-predpoklad-cistoty-2-dil-o-norme-en-15780\/"},"wordCount":710,"publisher":{"@id":"https:\/\/alkion.eu\/cs\/#organization"},"image":{"@id":"https:\/\/alkion.eu\/cs\/tesnost-potrubi-jako-predpoklad-cistoty-2-dil-o-norme-en-15780\/#primaryimage"},"thumbnailUrl":"https:\/\/alkion.eu\/wp-content\/uploads\/2024\/02\/prubeh-tesneni-aeroseal.png","articleSection":["Aktuality","V\u00fdzkum"],"inLanguage":"cs"},{"@type":"WebPage","@id":"https:\/\/alkion.eu\/cs\/tesnost-potrubi-jako-predpoklad-cistoty-2-dil-o-norme-en-15780\/","url":"https:\/\/alkion.eu\/cs\/tesnost-potrubi-jako-predpoklad-cistoty-2-dil-o-norme-en-15780\/","name":"T\u011bsnost potrub\u00ed jako p\u0159edpoklad \u010distoty - 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