![\"\"](\"https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/01\/LED-explosion-proof-flood-lights.png\" "\\"LED")
<\/a><\/figure><\/div>\n\n\n\nOhnivzdorn\u00e9<\/h2>\n\n\n\n
Pojem \u201cneho\u0159lav\u00fd\u201d se pou\u017e\u00edv\u00e1 hlavn\u011b v Evrop\u011b. Obecn\u011b se vztahuje na oblast syst\u00e9mov\u00e9 certifikace nebezpe\u010dn\u00fdch l\u00e1tek pouze pro mezin\u00e1rodn\u00ed pou\u017eit\u00ed v souladu se sm\u011brnicemi IEC. Bu\u010f je certifikov\u00e1n americk\u00fdm certifika\u010dn\u00edm org\u00e1nem pro pou\u017eit\u00ed ve Spojen\u00fdch st\u00e1tech nebo v Kanad\u011b. Tyto ohnivzdorn\u00e9 v\u00fdrobky jsou \u010dasto vhodn\u00e9 pro certifikaci z\u00f3nov\u00fdm syst\u00e9mem. Krom\u011b toho se m\u016f\u017eete setkat s r\u016fzn\u00fdmi normami pro ohnivzdornost.
IEC 60079-1 je norma, kter\u00e1 se zam\u011b\u0159uje na technick\u00e9 po\u017eadavky pro ozna\u010den\u00ed ex - db a pom\u00e1h\u00e1 p\u0159i certifikaci IEC pro neho\u0159lavost. UL 60079-1 je dal\u0161\u00ed norma, ale zam\u011b\u0159uje se na v\u00fdrobky, kter\u00e9 vy\u017eaduj\u00ed certifikaci podle z\u00f3n, a je ur\u010dena pouze pro pou\u017eit\u00ed ve Spojen\u00fdch st\u00e1tech. Norma CSA C22.2 \u010d. 60079-1 je podobn\u00e1 p\u0159edchoz\u00ed, ale je pou\u017eiteln\u00e1 pouze v Kanad\u011b.
Podle t\u00e9to metody lze klasifikovat skupiny plyn\u016f IIA, IIB a IIC. Plyny ve skupin\u011b IIC jsou nejho\u0159lav\u011bj\u0161\u00ed.<\/p>\n\n\n\n
Nev\u00fdbu\u0161nost<\/h2>\n\n\n\n
Pokud hovo\u0159\u00edme o nev\u00fdbu\u0161n\u00fdch p\u0159edm\u011btech, zam\u011b\u0159ujeme se p\u0159edev\u0161\u00edm na p\u0159edm\u011bty schv\u00e1len\u00e9 severoamerick\u00fdmi certifika\u010dn\u00edmi org\u00e1ny. Ty pou\u017e\u00edvaj\u00ed syst\u00e9m kategori\u00ed\/odd\u011blen\u00ed a zam\u011b\u0159uj\u00ed se na polo\u017eky pou\u017e\u00edvan\u00e9 pouze ve Spojen\u00fdch st\u00e1tech. Pokud instalujete jak\u00fdkoli certifikovan\u00fd syst\u00e9m do nebezpe\u010dn\u00e9ho prostoru, m\u016f\u017ee m\u00edt svou vlastn\u00ed kategorii a rozd\u011blen\u00ed. Ty s t\u0159\u00eddou I a diviz\u00ed I v\u011bd\u00ed, \u017ee je pou\u017eita technologie ochrany proti v\u00fdbuchu. <\/p>\n\n\n\n
V\u0161imn\u011bte si, \u017ee severoamerick\u00e9 normy vytv\u00e1\u0159ej\u00ed ANSI, FM, UL a CSA. Chcete-li z\u00edskat t\u0159\u00eddu I a divizi, znamen\u00e1 to, \u017ee mus\u00edte spl\u0148ovat kanadsk\u00e9 normy CSA C22.2 \u010d. 30 nebo americk\u00e9 normy UL 1203. <\/p>\n\n\n\n
Dal\u0161\u00edm d\u016fle\u017eit\u00fdm aspektem, kter\u00fd je t\u0159eba vz\u00edt v \u00favahu, je skute\u010dnost, \u017ee v\u0161echny elektrick\u00e9 v\u00fdrobky ve Spojen\u00fdch st\u00e1tech mus\u00ed spl\u0148ovat vyhrazen\u00e9 obecn\u00e9 bezpe\u010dnostn\u00ed normy. Pokud chcete v tuzemsku z\u00edskat certifikaci pro nebezpe\u010dn\u00e1 m\u00edsta, je to jeden z rozhoduj\u00edc\u00edch faktor\u016f. Setk\u00e1te se s r\u016fzn\u00fdmi skupinami plyn\u016f od A po D, p\u0159i\u010dem\u017e D je nejm\u00e9n\u011b ho\u0159lav\u00fd a A je nejho\u0159lav\u011bj\u0161\u00ed.<\/p>\n\n\n\n
Jak\u00e9 jsou rozd\u00edly mezi nev\u00fdbu\u0161n\u00fdmi a ohnivzdorn\u00fdmi syst\u00e9my?<\/h2>\n\n\n\nSpecifika\u010dn\u00ed protokol<\/h2>\n\n\n\n
Jedn\u00edm z hlavn\u00edch rozd\u00edl\u016f mezi nev\u00fdbu\u0161n\u00fdmi a ohnivzdorn\u00fdmi syst\u00e9my je, \u017ee se \u0159\u00edd\u00ed odli\u0161n\u00fdmi protokoly. Nap\u0159\u00edklad syst\u00e9my odoln\u00e9 proti v\u00fdbuchu se \u0159\u00edd\u00ed protokolem NEC. Na syst\u00e9my odoln\u00e9 proti plameni se v\u0161ak vztahuje protokol IEC. Neho\u0159lav\u00e9 syst\u00e9my se pou\u017e\u00edvaj\u00ed v Evropsk\u00e9 unii, zat\u00edmco nev\u00fdbu\u0161n\u00e9 syst\u00e9my jsou roz\u0161\u00ed\u0159en\u011bj\u0161\u00ed ve Spojen\u00fdch st\u00e1tech.<\/p>\n\n\n\n
Parametry testu<\/h2>\n\n\n\n
Dal\u0161\u00ed rozd\u00edl mezi nev\u00fdbu\u0161n\u00fdmi a ohnivzdorn\u00fdmi syst\u00e9my spo\u010d\u00edv\u00e1 ve zku\u0161ebn\u00edch parametrech. Obecn\u011b je zn\u00e1mo, \u017ee nev\u00fdbu\u0161n\u00e9 syst\u00e9my vydr\u017e\u00ed a\u017e \u010dty\u0159n\u00e1sobek tlaku p\u0159i v\u00fdbuchu plynu. Naproti tomu syst\u00e9my odoln\u00e9 proti plameni se obvykle testuj\u00ed na p\u0159etlak a dal\u0161\u00ed podm\u00ednky. Tlak, kter\u00fd zkou\u0161ej\u00ed, je p\u0159ibli\u017en\u011b 1,5n\u00e1sobkem norm\u00e1ln\u00edho tlaku, z\u0159\u00eddka dosahuje \u010dty\u0159n\u00e1sobku tlakov\u00e9 zkou\u0161ky.<\/p>\n\n\n\n
Zna\u010den\u00ed<\/h2>\n\n\n\n
Ozna\u010den\u00ed nev\u00fdbu\u0161nosti odpov\u00edd\u00e1 americk\u00fdm norm\u00e1m a zam\u011b\u0159uje se na t\u0159\u00eddu, divizi a skupinu. Ka\u017ed\u00e9 ozna\u010den\u00ed m\u00e1 svou funkci, proto\u017ee ozna\u010duje t\u0159\u00eddu t za\u0159\u00edzen\u00ed, ale tak\u00e9 ho\u0159lavost plynu. Na konci zna\u010den\u00ed z\u00edsk\u00e1te ozna\u010den\u00ed XP, kter\u00e9 znamen\u00e1, \u017ee pou\u017e\u00edv\u00e1te nev\u00fdbu\u0161nou metodu.
Naproti tomu ohnivzdorn\u00e9 zna\u010den\u00ed spl\u0148uje po\u017eadavky certifikace plo\u0161n\u00e9ho syst\u00e9mu podle um\u00edst\u011bn\u00ed. EX zobraz\u00ed nebezpe\u010dn\u00e9 m\u00edsto, zat\u00edmco DB se zam\u011b\u0159uje na po\u017e\u00e1rn\u00ed ochranu. Pak n\u00e1sleduje IIC, ozna\u010duj\u00edc\u00ed skupinu plyn\u016f. Nakonec se objev\u00ed teplotn\u00ed t\u0159\u00edda od T1 do T6.<\/p>\n\n\n\n
Ochrann\u00e9 kryty<\/h2>\n\n\n\n
Je d\u016fle\u017eit\u00e9 si uv\u011bdomit, \u017ee sk\u0159\u00edn\u011b nev\u00fdbu\u0161n\u00fdch a ohnivzdorn\u00fdch syst\u00e9m\u016f jsou obvykle spojeny s kloubov\u00fdmi nebo z\u00e1vitov\u00fdmi sk\u0159\u00edn\u011bmi, p\u0159\u00edpadn\u011b jsou aktivn\u011b se\u0161roubov\u00e1ny. N\u011bkter\u00e9 ohnivzdorn\u00e9 sk\u0159\u00edn\u011b jsou z\u00e1visl\u00e9 na speci\u00e1ln\u00edm n\u00e1\u0159ad\u00ed a pro jejich spr\u00e1vnou demont\u00e1\u017e je nutn\u00e9 za\u010d\u00edt pou\u017e\u00edvat toto n\u00e1\u0159ad\u00ed. Nejedn\u00e1 se o sk\u0159\u00ed\u0148, kterou m\u016f\u017eete kdekoli vyvrtat. Mus\u00edte jej vyvrtat ve v\u00fdrobn\u00edm z\u00e1vod\u011b, zat\u00edmco nev\u00fdbu\u0161n\u00e9 sk\u0159\u00edn\u011b lze vyvrtat na m\u00edst\u011b.<\/p>\n\n\n\n
Mohou b\u00fdt pojmy \u201cnev\u00fdbu\u0161n\u00fd\u201d a \u201cohnivzdorn\u00fd\u201d pou\u017e\u00edv\u00e1ny zam\u011bniteln\u011b?<\/h2>\n\n\n\n
Je dob\u0159e zn\u00e1mo, \u017ee ohnivzdornost je jednou z mnoha nev\u00fdbu\u0161n\u00fdch technologi\u00ed. Lze ji pou\u017e\u00edt v motorech, JB a mnoha sv\u00edtidlech v r\u016fzn\u00fdch zn\u00e1m\u00fdch nebezpe\u010dn\u00fdch oblastech. IEC je organizace, kter\u00e1 certifikuje ochrann\u00e1 za\u0159\u00edzen\u00ed. Obecn\u011b plat\u00ed, \u017ee pro z\u00edsk\u00e1n\u00ed certifik\u00e1tu neho\u0159lavosti nebo nev\u00fdbu\u0161nosti je t\u0159eba m\u00edt kryt, kter\u00fd m\u016f\u017ee pomoci kontrolovat v\u0161echny reakce na v\u00fdbuch. Nejd\u016fle\u017eit\u011bj\u0161\u00ed je, \u017ee toto ochrann\u00e9 za\u0159\u00edzen\u00ed mus\u00ed b\u00fdt certifikov\u00e1no a mus\u00ed tak\u00e9 zadr\u017eet v\u0161echny tlaky, ani\u017e by se muselo pot\u00fdkat s tlaky, kter\u00e9 se \u0161\u00ed\u0159\u00ed deformac\u00ed nebo prasknut\u00edm, co\u017e m\u016f\u017ee b\u00fdt velmi problematick\u00e9.<\/p>\n\n\n\n
Tyto dva pojmy lze zam\u011b\u0148ovat, i kdy\u017e mezi nimi existuj\u00ed drobn\u00e9 rozd\u00edly. Zejm\u00e9na zem\u011bpisn\u00e1 poloha a m\u00edstn\u00ed normy \u010dasto vyb\u00edzej\u00ed k pou\u017eit\u00ed jednoho z term\u00edn\u016f. P\u0159i pou\u017eit\u00ed tohoto typu kryt\u016f se v\u017edy mus\u00edte ujistit, \u017ee jsou \u017e\u00e1ruvzdorn\u00e9 a mohou poskytnout dobrou ochranu m\u00edsta p\u0159ed jak\u00fdmkoli typem nebezpe\u010d\u00ed, kter\u00e9 nastane p\u0159i v\u00fdbuchu.<\/p>\n\n\n\n
Hlavn\u00ed rozd\u00edly mezi nev\u00fdbu\u0161n\u00fdmi a ohnivzdorn\u00fdmi syst\u00e9my<\/h2>\n\n\n\n
Jak jsme ji\u017e zm\u00ednili, v p\u0159\u00edpad\u011b ohnivzdorn\u00fdch syst\u00e9m\u016f je mus\u00ed v\u00fdrobce navrtat pro \u00fa\u010dely nev\u00fdbu\u0161nosti. Syst\u00e9my pro nev\u00fdbu\u0161nost lze vrtat p\u0159\u00edmo na m\u00edst\u011b. Konstrukce nev\u00fdbu\u0161n\u00fdch syst\u00e9m\u016f je t\u011b\u017e\u0161\u00ed, zat\u00edmco syst\u00e9my odoln\u00e9 proti plameni jsou mnohem leh\u010d\u00ed. Spoje obou syst\u00e9m\u016f mohou b\u00fdt ploch\u00e9 nebo se z\u00e1vitem, i kdy\u017e u nev\u00fdbu\u0161n\u00fdch syst\u00e9m\u016f mohou b\u00fdt vroubkovan\u00e9, zat\u00edmco u syst\u00e9m\u016f odoln\u00fdch proti plameni mohou b\u00fdt ve tvaru kohoutku. U nev\u00fdbu\u0161n\u00fdch syst\u00e9m\u016f nen\u00ed tepeln\u00fd n\u00e1r\u016fst d\u016fle\u017eit\u00fd, ale u syst\u00e9m\u016f odoln\u00fdch proti plameni m\u016f\u017ee b\u00fdt limituj\u00edc\u00edm faktorem pro celkov\u00e9 vnit\u0159n\u00ed sou\u010d\u00e1sti. Situace u elektroinstala\u010dn\u00edch st\u0159ech je opa\u010dn\u00e1; pro nev\u00fdbu\u0161n\u00e9 syst\u00e9my je to rozhoduj\u00edc\u00ed metoda n\u00e1vrhu, ale pro syst\u00e9my odoln\u00e9 proti plameni nen\u00ed tak d\u016fle\u017eit\u00e1.<\/p>\n\n\n\n
Z\u00e1v\u011br<\/h2>\n\n\n\n
Pokud chcete zajistit shodu s m\u00edstn\u00edmi sm\u011brnicemi a po\u017eadavky, je velmi d\u016fle\u017eit\u00e9 pochopit, co je to jiskrov\u011b bezpe\u010dn\u00fd syst\u00e9m. V z\u00e1vislosti na lokalit\u011b mus\u00edte pou\u017e\u00edvat nev\u00fdbu\u0161n\u00e1 nebo jiskrov\u011b bezpe\u010dn\u00e1 \u0159e\u0161en\u00ed. Jak ji\u017e bylo \u0159e\u010deno, ob\u011b \u0159e\u0161en\u00ed jsou si velmi podobn\u00e1, ale jsou zde n\u011bkter\u00e9 jemn\u00e9 rozd\u00edly, jako je nap\u0159\u00edklad zkou\u0161ka vysok\u00fdm tlakem nebo tepeln\u00fd n\u00e1r\u016fst, kter\u00e9 se u nev\u00fdbu\u0161n\u00e9ho syst\u00e9mu neberou v \u00favahu, ale jsou to kl\u00ed\u010dov\u00e9 faktory pro jiskrov\u011b bezpe\u010dn\u00fd syst\u00e9m. Jakmile tyto rozd\u00edly pochop\u00edte, bude snaz\u0161\u00ed p\u0159esn\u011b ur\u010dit, co takov\u00fd syst\u00e9m je a kter\u00fd je ide\u00e1ln\u00ed na z\u00e1klad\u011b m\u00edstn\u00edch a funk\u010dn\u00edch faktor\u016f.<\/p>\n\n\n\n
Spole\u010dnost Amasly Lighting nab\u00edz\u00ed \u0161irokou \u0161k\u00e1lu nev\u00fdbu\u0161n\u00fdch a ohnivzdorn\u00fdch v\u00fdrobk\u016f Ex \u201cd\u201d, jako jsou nap\u0159\u00edklad propojovac\u00ed krabice, kter\u00e9 spl\u0148uj\u00ed va\u0161e pot\u0159eby v prost\u0159ed\u00ed s nebezpe\u010d\u00edm v\u00fdbuchu. M\u016f\u017eete nav\u0161t\u00edvit na\u0161i kontaktn\u00ed str\u00e1nku a zaslat popt\u00e1vku nebo n\u00e1m zavolat na \u010d\u00edslo +86 13732643699 a dozv\u011bd\u011bt se v\u00edce o n\u00e1mi nab\u00edzen\u00fdch nev\u00fdbu\u0161n\u00fdch a ohnivzdorn\u00fdch v\u00fdrobc\u00edch.<\/p>","protected":false},"excerpt":{"rendered":"
It is very important to ensure that an item is not easily damaged. But can an object resist the internal force of an explosion? This is where the concept of explosion-proof or flameproof comes into play. This brings up a question: What is the difference between explosion-proof and fireproof? Here are the things to remember. […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","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":"var(--ast-global-color-4)","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":[7],"tags":[],"class_list":["post-1682","post","type-post","status-publish","format-standard","hentry","category-light"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false},"uagb_author_info":{"display_name":"Joe","author_link":"https:\/\/led.amasly.com\/cs\/author\/jacklin\/"},"uagb_comment_info":0,"uagb_excerpt":"It is very important to ensure that an item is not easily damaged. But can an object resist the internal force of an explosion? This is where the concept of explosion-proof or flameproof comes into play. This brings up a question: What is the difference between explosion-proof and fireproof? Here are the things to remember.…","_links":{"self":[{"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/posts\/1682","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/comments?post=1682"}],"version-history":[{"count":1,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/posts\/1682\/revisions"}],"predecessor-version":[{"id":1683,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/posts\/1682\/revisions\/1683"}],"wp:attachment":[{"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/media?parent=1682"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/categories?post=1682"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/tags?post=1682"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}