[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.chirmed.sk\/protipoziarne-uzavery-ako-sa-stanu-odolne-voci-ohnu\/#Article","mainEntityOfPage":"https:\/\/www.chirmed.sk\/protipoziarne-uzavery-ako-sa-stanu-odolne-voci-ohnu\/","headline":"Protipo\u017eiarne uz\u00e1very \u2013 ako sa stan\u00fa odoln\u00e9 vo\u010di oh\u0148u","name":"Protipo\u017eiarne uz\u00e1very \u2013 ako sa stan\u00fa odoln\u00e9 vo\u010di oh\u0148u","description":"Pojem protipo\u017eiarny uz\u00e1ver, v sebe ukr\u00fdva viacero prvkov, ktor\u00e9 dok\u00e1\u017eu budovy ochr\u00e1ni\u0165 pred po\u017eiarom. Ide napr\u00edklad o dvere alebo o protipo\u017eiarne kon\u0161trukcie https:\/\/lmmont.sk\/okna-brany-hlinikove-systemy\/protipoziarne-konstrukcie\/. Zamysleli ste sa u\u017e niekedy nad t\u00fdm, ako sa d\u00e1 dosiahnu\u0165 to, \u017ee dan\u00fd materi\u00e1l dok\u00e1\u017ee odol\u00e1va\u0165 extr\u00e9mne vysok\u00fdm teplot\u00e1m po\u010das pomerne dlhej doby. \u010ci \u00e1no, alebo nie, v\u0161etko v\u00e1m pekne vysvetl\u00edme. […]","datePublished":"2019-06-23","dateModified":"2023-04-28","author":{"@type":"Person","@id":"https:\/\/www.chirmed.sk\/author\/#Person","name":"","url":"https:\/\/www.chirmed.sk\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/4bf629230dc34158290ba5b10491f45b3bfbba94b88af3386c3da2fed730f430?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/4bf629230dc34158290ba5b10491f45b3bfbba94b88af3386c3da2fed730f430?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"chirmed.sk","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.chirmed.sk\/wp-content\/uploads\/img_a304907_w16513_t1566243400.jpg","url":"https:\/\/www.chirmed.sk\/wp-content\/uploads\/img_a304907_w16513_t1566243400.jpg","height":0,"width":0},"url":"https:\/\/www.chirmed.sk\/protipoziarne-uzavery-ako-sa-stanu-odolne-voci-ohnu\/","wordCount":385,"articleBody":"         Pojem protipo\u017eiarny uz\u00e1ver, v sebe ukr\u00fdva viacero prvkov, ktor\u00e9 dok\u00e1\u017eu budovy ochr\u00e1ni\u0165 pred po\u017eiarom. Ide napr\u00edklad o dvere alebo o protipo\u017eiarne kon\u0161trukcie https:\/\/lmmont.sk\/okna-brany-hlinikove-systemy\/protipoziarne-konstrukcie\/. Zamysleli ste sa u\u017e niekedy nad t\u00fdm, ako sa d\u00e1 dosiahnu\u0165 to, \u017ee dan\u00fd materi\u00e1l dok\u00e1\u017ee odol\u00e1va\u0165 extr\u00e9mne vysok\u00fdm teplot\u00e1m po\u010das pomerne dlhej doby. \u010ci \u00e1no, alebo nie, v\u0161etko v\u00e1m pekne vysvetl\u00edme.  Najkvalitnej\u0161ie protipo\u017eiarne uz\u00e1very s\u00fa v prvom rade vyr\u00e1ban\u00e9 z ocele. Oce\u013e je materi\u00e1l, ktor\u00fd u\u017e s\u00e1m o sebe dok\u00e1\u017ee odol\u00e1va\u0165 naozaj vysok\u00fdm teplot\u00e1m. V tomto smere je jednozna\u010dnou jednotkou spomedzi v\u0161etk\u00fdch be\u017ene vyu\u017e\u00edvan\u00fdch materi\u00e1lov. Bod tavenia u ocele sa pohybuje okolo 1500 stup\u0148ov Celzia. O nejak\u00fdch stup\u0148och hore \u2013 dole, rozhoduje najm\u00e4 ti, \u010di ide o oce\u013e karb\u00f3nov\u00fa alebo nerezov\u00fa.Pre lep\u0161iu predstavu, v\u00e1m uvedieme nieko\u013eko pr\u00edkladov. Nasleduj\u00face \u00fadaje hovoria o konkr\u00e9tnom type kovu alebo zliatiny a ich bode tavenia.  \u00b7 Hlin\u00edk \u2013 660 \u00b0C \u00b7 Mosadz \u2013 1000 \u00b0C \u00b7 \u017delezo (pod\u013ea typu) \u2013 1100 a\u017e 1500 \u00b0C \u00b7 Bronz \u2013 600 -900 \u00b0C Nech u\u017e by bol na protipo\u017eiarny uz\u00e1ver pou\u017eit\u00fd ak\u00fdko\u013evek zo spom\u00ednan\u00fdch kovov a zliatin, na boj proti oh\u0148u by to nesta\u010dilo. Preto musia by\u0165 tieto ochrann\u00e9 prvky aj \u0161peci\u00e1lne o\u0161etren\u00e9. Na tieto \u00fa\u010dely sa vyu\u017e\u00edvaj\u00fa najm\u00e4 intumescentn\u00e9 n\u00e1tery, ktor\u00e9 zv\u00fd\u0161ia ich odolnos\u0165 vo\u010di teplu. Druh\u00fdm \u010dasto vyu\u017e\u00edvan\u00fdm sp\u00f4sobom, je umiest\u0148ovanie miner\u00e1lnych dos\u00e1k medzi tieto materi\u00e1ly. Odolnos\u0165 vo\u010di teplu zvy\u0161uj\u00fa aj \u0161peci\u00e1lnej omietky, ktor\u00fa s\u00fa nan\u00e1\u0161an\u00e9 na povrch ocele a in\u00fdch kovov. ide o zmes troch surov\u00edn, a to vl\u00e1kien cementu, sadry a vermikulitu. Mo\u017eno sa teraz p\u00fdtate, ako v\u00e1m tieto inform\u00e1cie m\u00f4\u017eu pom\u00f4c\u0165 v praxi, teda v re\u00e1lnom \u017eivote, napr\u00edklad pri n\u00e1kupe niektor\u00e9ho z protipo\u017eiarnych uz\u00e1verov. Pom\u00f4\u017eu v\u00e1m najm\u00e4 v tom, \u017ee v\u00e1s nebude tak \u013eahk\u00e9 oklama\u0165. Ak by v\u00e1m toti\u017e niekto tvrdil, \u017ee kon\u0161trukcia z ocele m\u00e1 automaticky protipo\u017eiarne vlastnosti, budete vedie\u0165, \u017ee to takto nefunguje.                                                                                                                                                                                                                                                                                                                                                                                           4.7\/5 - (7 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Protipo\u017eiarne uz\u00e1very \u2013 ako sa stan\u00fa odoln\u00e9 vo\u010di oh\u0148u","item":"https:\/\/www.chirmed.sk\/protipoziarne-uzavery-ako-sa-stanu-odolne-voci-ohnu\/#breadcrumbitem"}]}]