{"id":3102,"date":"2021-01-31T11:56:58","date_gmt":"2021-01-31T10:56:58","guid":{"rendered":"https:\/\/www.znakowo.pl\/blog\/?p=3102"},"modified":"2021-01-31T11:57:01","modified_gmt":"2021-01-31T10:57:01","slug":"hydranty-wewnetrzne-dn-25-i-zawory-hydrantowe","status":"publish","type":"post","link":"https:\/\/www.znakowo.pl\/blog\/hydranty-wewnetrzne-dn-25-i-zawory-hydrantowe\/","title":{"rendered":"Hydranty wewn\u0119trzne DN 25 i zawory hydrantowe"},"content":{"rendered":"\n<p>Hydranty wewn\u0119trzne DN 25, zawory hydrantowe (zawory 52) \u2013 wymagania<\/p>\n\n\n<p><!--more--><\/p>\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Spis tre\u015bci<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Prze\u0142\u0105cznik Spisu Tre\u015bci\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.znakowo.pl\/blog\/hydranty-wewnetrzne-dn-25-i-zawory-hydrantowe\/#Hydranty_wewnetrzne_DN_25_%E2%80%93_gdzie_musza_byc_stosowane\" >Hydranty wewn\u0119trzne DN 25 \u2013 gdzie musz\u0105 by\u0107 stosowane?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.znakowo.pl\/blog\/hydranty-wewnetrzne-dn-25-i-zawory-hydrantowe\/#Zawory_hydrantowe_%E2%80%93_wymogi\" >Zawory hydrantowe \u2013 wymogi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.znakowo.pl\/blog\/hydranty-wewnetrzne-dn-25-i-zawory-hydrantowe\/#Hydranty_wewnetrzne_DN_25_%E2%80%93_wydajnosc_poboru_wody\" >Hydranty wewn\u0119trzne DN 25 \u2013 wydajno\u015b\u0107 poboru wody<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hydranty_wewnetrzne_DN_25_%E2%80%93_gdzie_musza_byc_stosowane\"><\/span>Hydranty wewn\u0119trzne DN 25 \u2013 gdzie musz\u0105 by\u0107 stosowane?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Hydranty 25 musz\u0105 by\u0107 stosowane w&nbsp;strefach po\u017carowych zakwalifikowanych do kategorii zagro\u017cenia ludzi ZL:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Na ka\u017cdej kondygnacji budynku wysokiego i wysoko\u015bciowego, z&nbsp;wyj\u0105tkiem kondygnacji obejmuj\u0105cej wy\u0142\u0105cznie stref\u0119 po\u017carow\u0105 zakwalifikowan\u0105 do kategorii zagro\u017cenia ludzi ZL IV.<\/li><li>Na ka\u017cdej kondygnacji budynku innego ni\u017c tymczasowy, niskiego i \u015bredniowysokiego:<ul><li>w strefie po\u017carowej o&nbsp;powierzchni przekraczaj\u0105cej 200 m<sup>2<\/sup>, zakwalifikowanej do kategorii zagro\u017cenia ludzi ZL I, ZL II lub ZL V\u2019<\/li><\/ul><ul><li>w strefie po\u017carowej zakwalifikowanej do kategorii zagro\u017cenia ludzi ZL III \u2013 o powierzchni przekraczaj\u0105cej 1000 m<sup>2<\/sup> w&nbsp;budynku niskim; \u2013 o powierzchni przekraczaj\u0105cej 200 m<sup>2<\/sup> w budynku \u015bredniowysokim, przy czym je\u017celi jest to strefa po\u017carowa obejmuj\u0105ca tylko pierwsz\u0105 kondygnacj\u0119 nadziemn\u0105, a nad ni\u0105 znajduje si\u0119 wy\u0142\u0105cznie strefy po\u017carowe ZL IC, jedynie wtedy, gdy powierzchni tej strefy po\u017carowej przekracza 1000 m<sup>2<\/sup>.<\/li><\/ul><\/li><\/ul>\n\n\n\n<div class=\"product-small-box-content display-flex\">\n          <a href=\"https:\/\/www.znakowo.pl\/produkt\/hydrant-wewnetrzny-przeciwpozarowy-dn-25-pn-en-671-1-w-2520g-fit-z-miejscem-na-gasnice,1f026,4199.html\" class=\"product-small\">\n          <div class=\"product-small-box\">\n              <div class=\"product-small-img\">\n                                    <img decoding=\"async\" src=\"https:\/\/tdc.znakowo.pl\/thumbs\/hydrant-wewnetrzny-przeciwpozarowy-dn-25-pn-en-671-1-w-2520g-fit-z-miejscem-na-gasnice-9978-4199-160-160-0.jpg\" alt=\"Hydrant wewn\u0119trzny przeciwpo\u017carowy DN 25 PN-EN 671-1 [W-25\/20G] fit, z miejscem na ga\u015bnic\u0119 - Hydranty wewn\u0119trzne DN 25 i zawory hydrantowe\" title=\"Hydrant wewn\u0119trzny przeciwpo\u017carowy DN 25 PN-EN 671-1 [W-25\/20G] fit, z miejscem na ga\u015bnic\u0119 - Hydranty wewn\u0119trzne DN 25 i zawory hydrantowe\" \/>\n              <\/div>\n              <div class=\"product-small-title\">\n                  Hydrant wewn\u0119trzny przeciwpo\u017carowy DN 25 PN-EN 671-1 [W-25\/20G] fit, z miejscem na ga\u015bnic\u0119              <\/div>\n          <\/div>\n      <\/a>    \n            <a href=\"https:\/\/www.znakowo.pl\/produkt\/hydrant-wewnetrzny-znak-bhp,baf002,3596.html\" class=\"product-small\">\n          <div class=\"product-small-box\">\n              <div class=\"product-small-img\">\n                                    <img decoding=\"async\" src=\"https:\/\/tdc.znakowo.pl\/thumbs\/znak-hydrantu-wewnetrznego-4811-3596-160-160-0.jpg\" alt=\"Hydrant wewn\u0119trzny znak bhp - Hydranty wewn\u0119trzne DN 25 i zawory hydrantowe\" title=\"Hydrant wewn\u0119trzny znak bhp - Hydranty wewn\u0119trzne DN 25 i zawory hydrantowe\" \/>\n              <\/div>\n              <div class=\"product-small-title\">\n                  Hydrant wewn\u0119trzny znak bhp              <\/div>\n          <\/div>\n      <\/a>    \n            <a href=\"https:\/\/www.znakowo.pl\/produkt\/hydrant-wewnetrzny-przeciwpozarowy-dn-25-pn-en-671-1-w-2530g-z-miejscem-na-gasnice,1e027,4190.html\" class=\"product-small\">\n          <div class=\"product-small-box\">\n              <div class=\"product-small-img\">\n                                    <img decoding=\"async\" src=\"https:\/\/tdc.znakowo.pl\/thumbs\/hydrant-wewnetrzny-przeciwpozarowy-dn-25-pn-en-671-1-w-2530g-z-miejscem-na-gasnice-9963-4190-160-160-0.jpg\" alt=\"Hydrant wewn\u0119trzny przeciwpo\u017carowy DN 25 PN-EN 671-1 [W-25\/30G] z miejscem na ga\u015bnic\u0119 - Hydranty wewn\u0119trzne DN 25 i zawory hydrantowe\" title=\"Hydrant wewn\u0119trzny przeciwpo\u017carowy DN 25 PN-EN 671-1 [W-25\/30G] z miejscem na ga\u015bnic\u0119 - Hydranty wewn\u0119trzne DN 25 i zawory hydrantowe\" \/>\n              <\/div>\n              <div class=\"product-small-title\">\n                  Hydrant wewn\u0119trzny przeciwpo\u017carowy DN 25 PN-EN 671-1 [W-25\/30G] z miejscem na ga\u015bnic\u0119              <\/div>\n          <\/div>\n      <\/a>    \n        \n    <div class=\"clearfix\"><\/div>    \n<\/div>\n\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Zawory_hydrantowe_%E2%80%93_wymogi\"><\/span>Zawory hydrantowe \u2013 wymogi<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Zawory 52 i&nbsp;zawory odcinaj\u0105ce hydrant\u00f3w wewn\u0119trznych musza by\u0107 umieszczone na wysoko\u015bci 1,35 (+\/- 0,1 m) od poziomu pod\u0142ogi.<\/li><li>Zawory 52 oraz zawory odcinaj\u0105ce w&nbsp;<a href=\"https:\/\/www.znakowo.pl\/blog\/hydranty-wewnetrzne-dn-52\/\">hydrantach 52<\/a> powinny posiada\u0107 nasady t\u0142oczone skierowane do do\u0142u, usytuowane wraz z pokr\u0119t\u0142em zaworu wzgl\u0119dem \u015bcian lub obudowy w&nbsp;spos\u00f3b umo\u017cliwiaj\u0105cy \u0142atwe przy\u0142\u0105czenie w\u0119\u017ca t\u0142oczonego oraz otwieranie i zamykanie jego zaworu.<\/li><li>Zawory 52 lokalizowane w miejscach, w kt\u00f3rych mog\u0105 by\u0107 nara\u017cone na uszkodzenie lub dewastacj\u0119, umieszcza si\u0119 w metalowych szafkach ochronnych \u2013 zgodnych z&nbsp;wymogami Polskich Norm, z zamkiem zgodnym z Polskimi Normami, otwieranym g\u0142owic\u0105 toporka stra\u017cackiego.<\/li><li>Przed hydrantem wewn\u0119trznym lub zaworem 52 zapewnia si\u0119 dostateczn\u0105 przestrze\u0144 do rozwini\u0119cia linii ga\u015bniczej.<\/li><\/ul>\n\n\n\n<div class=\"product-small-box-content display-flex\">\n          <a href=\"https:\/\/www.znakowo.pl\/produkt\/hydrant-wewnetrzny-znak-przeciwpozarowy-ppoz-ba006,ba006,91.html\" class=\"product-small\">\n          <div class=\"product-small-box\">\n              <div class=\"product-small-img\">\n                                    <img decoding=\"async\" src=\"https:\/\/tdc.znakowo.pl\/thumbs\/hydrant-wewnetrzny-znak-przeciwpozarowy-ppoz-ba006-4799-91-160-160-0.jpg\" alt=\"Hydrant wewn\u0119trzny - znak przeciwpo\u017carowy ppo\u017c - BA006 - Hydranty wewn\u0119trzne DN 25 i zawory hydrantowe\" title=\"Hydrant wewn\u0119trzny - znak przeciwpo\u017carowy ppo\u017c - BA006 - Hydranty wewn\u0119trzne DN 25 i zawory hydrantowe\" \/>\n              <\/div>\n              <div class=\"product-small-title\">\n                  Hydrant wewn\u0119trzny - znak przeciwpo\u017carowy ppo\u017c - BA006              <\/div>\n          <\/div>\n      <\/a>    \n            <a href=\"https:\/\/www.znakowo.pl\/produkt\/hydrant-wewnetrzny-przeciwpozarowy-dn-25-pn-en-671-1-z-2520-fit-cp,1f020,4193.html\" class=\"product-small\">\n          <div class=\"product-small-box\">\n              <div class=\"product-small-img\">\n                                    <img decoding=\"async\" src=\"https:\/\/tdc.znakowo.pl\/thumbs\/hydrant-wewnetrzny-przeciwpozarowy-dn-25-pn-en-671-1-z-2520-fit-cp-9972-4193-160-160-0.jpg\" alt=\"Hydrant wewn\u0119trzny przeciwpo\u017carowy DN 25 PN-EN 671-1 [Z-25\/20] FIT CP - Hydranty wewn\u0119trzne DN 25 i zawory hydrantowe\" title=\"Hydrant wewn\u0119trzny przeciwpo\u017carowy DN 25 PN-EN 671-1 [Z-25\/20] FIT CP - Hydranty wewn\u0119trzne DN 25 i zawory hydrantowe\" \/>\n              <\/div>\n              <div class=\"product-small-title\">\n                  Hydrant wewn\u0119trzny przeciwpo\u017carowy DN 25 PN-EN 671-1 [Z-25\/20] FIT CP              <\/div>\n          <\/div>\n      <\/a>    \n            <a href=\"https:\/\/www.znakowo.pl\/produkt\/hydrant-wewnetrzny-znak-ewakuacyjny-przestrzenny-scienny-3d,bg022,3972.html\" class=\"product-small\">\n          <div class=\"product-small-box\">\n              <div class=\"product-small-img\">\n                                    <img decoding=\"async\" src=\"https:\/\/tdc.znakowo.pl\/thumbs\/hydrant-wewnetrzny-znak-ewakuacyjny-przestrzenny-scienny-3d-6726-3972-160-160-0.jpg\" alt=\"Hydrant wewn\u0119trzny - znak ewakuacyjny, przestrzenny, \u015bcienny 3D - Hydranty wewn\u0119trzne DN 25 i zawory hydrantowe\" title=\"Hydrant wewn\u0119trzny - znak ewakuacyjny, przestrzenny, \u015bcienny 3D - Hydranty wewn\u0119trzne DN 25 i zawory hydrantowe\" \/>\n              <\/div>\n              <div class=\"product-small-title\">\n                  Hydrant wewn\u0119trzny - znak ewakuacyjny, przestrzenny, \u015bcienny 3D              <\/div>\n          <\/div>\n      <\/a>    \n        \n    <div class=\"clearfix\"><\/div>    \n<\/div>\n\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hydranty_wewnetrzne_DN_25_%E2%80%93_wydajnosc_poboru_wody\"><\/span>Hydranty wewn\u0119trzne DN 25 \u2013 wydajno\u015b\u0107 poboru wody<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Minimalna wydajno\u015b\u0107 poboru wody dla hydrantu 25, mierzona na wylocie pr\u0105downicy, wynosi 1,0 dm<sup>3<\/sup>\/s. ci\u015bnienie na zworze odcinaj\u0105cym hydrantu wewn\u0119trznego powinno zapewnia\u0107 podan\u0105 wydajno\u015b\u0107, z uwzgl\u0119dnieniem zastosowanej \u015brednicy dyszy pr\u0105downicy i by\u0107 nie mniejsze ni\u017c 0,2 MPa.<\/p>\n\n\n\n<div class=\"product-small-box-content display-flex\">\n          <a href=\"https:\/\/www.znakowo.pl\/produkt\/hydrant-wewnetrzny-przeciwpozarowy-hw-dn25w-20-un-protekt,1e002,4163.html\" class=\"product-small\">\n          <div class=\"product-small-box\">\n              <div class=\"product-small-img\">\n                                    <img decoding=\"async\" src=\"https:\/\/tdc.znakowo.pl\/thumbs\/hydrant-wewnetrzny-przeciwpozarowy-hw-dn25w-20-un-protekt-9887-4163-160-160-0.jpg\" alt=\"Hydrant wewn\u0119trzny przeciwpo\u017carowy HW DN25\/W 20 UN protekt - Hydranty wewn\u0119trzne DN 25 i zawory hydrantowe\" title=\"Hydrant wewn\u0119trzny przeciwpo\u017carowy HW DN25\/W 20 UN protekt - Hydranty wewn\u0119trzne DN 25 i zawory hydrantowe\" \/>\n              <\/div>\n              <div class=\"product-small-title\">\n                  Hydrant wewn\u0119trzny przeciwpo\u017carowy HW DN25\/W 20 UN protekt              <\/div>\n          <\/div>\n      <\/a>    \n            <a href=\"https:\/\/www.znakowo.pl\/produkt\/hydrant-wewnetrzny-znak-ewakuacyjny-przestrzenny-scienny-3d,bg021,3971.html\" class=\"product-small\">\n          <div class=\"product-small-box\">\n              <div class=\"product-small-img\">\n                                    <img decoding=\"async\" src=\"https:\/\/tdc.znakowo.pl\/thumbs\/hydrant-wewnetrzny-znak-ewakuacyjny-przestrzenny-scienny-3d-6722-3971-160-160-0.jpg\" alt=\"Hydrant wewn\u0119trzny - znak ewakuacyjny, przestrzenny, \u015bcienny 3D - Hydranty wewn\u0119trzne DN 25 i zawory hydrantowe\" title=\"Hydrant wewn\u0119trzny - znak ewakuacyjny, przestrzenny, \u015bcienny 3D - Hydranty wewn\u0119trzne DN 25 i zawory hydrantowe\" \/>\n              <\/div>\n              <div class=\"product-small-title\">\n                  Hydrant wewn\u0119trzny - znak ewakuacyjny, przestrzenny, \u015bcienny 3D              <\/div>\n          <\/div>\n      <\/a>    \n            <a href=\"https:\/\/www.znakowo.pl\/produkt\/hydrant-wewnetrzny-przeciwpozarowy-hw-dn25z-30-g-un-protekt-z-szafka-na-gasnice,1e007,4168.html\" class=\"product-small\">\n          <div class=\"product-small-box\">\n              <div class=\"product-small-img\">\n                                    <img decoding=\"async\" src=\"https:\/\/tdc.znakowo.pl\/thumbs\/hydrant-wewnetrzny-przeciwpozarowy-hw-dn25z-30-g-un-protekt-z-szafka-na-gasnice-9954-4168-160-160-0.jpg\" alt=\"Hydrant wewn\u0119trzny przeciwpo\u017carowy HW DN25\/Z 30+G UN protekt, z szafk\u0105 na ga\u015bnic\u0119 - Hydranty wewn\u0119trzne DN 25 i zawory hydrantowe\" title=\"Hydrant wewn\u0119trzny przeciwpo\u017carowy HW DN25\/Z 30+G UN protekt, z szafk\u0105 na ga\u015bnic\u0119 - Hydranty wewn\u0119trzne DN 25 i zawory hydrantowe\" \/>\n              <\/div>\n              <div class=\"product-small-title\">\n                  Hydrant wewn\u0119trzny przeciwpo\u017carowy HW DN25\/Z 30+G UN protekt, z szafk\u0105 na ga\u015bnic\u0119              <\/div>\n          <\/div>\n      <\/a>    \n        \n    <div class=\"clearfix\"><\/div>    \n<\/div>\n\n\n\n\n<p>Maksymalne ci\u015bnienie robocze w&nbsp;instalacji wodoci\u0105gowej przeciwpo\u017carowej i na zaworze odcinaj\u0105cym nie powinno przekracza\u0107 1,2 MPa, przy czym na zaworze 52 i zaworach odcinaj\u0105cych hydrant\u00f3w 33 oraz hydrant\u00f3w 52 nie powinno przekracza\u0107 0,7 MPa.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hydranty wewn\u0119trzne DN 25, zawory hydrantowe (zawory 52) \u2013 wymagania<\/p>\n","protected":false},"author":3,"featured_media":3122,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[420],"tags":[],"class_list":["post-3102","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ppoz"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hydranty wewn\u0119trzne DN 25 i zawory hydrantowe - Blog znakowo.pl<\/title>\n<meta name=\"description\" content=\"Hydranty 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