{"id":53878,"date":"2018-03-12T06:22:05","date_gmt":"2018-03-12T04:22:05","guid":{"rendered":"https:\/\/mercorlv.es\/evacuacao-de-fumo\/sistemas-mecanicos-presion-diferencial"},"modified":"2021-10-25T09:45:16","modified_gmt":"2021-10-25T07:45:16","slug":"pressao-diferencial","status":"publish","type":"page","link":"https:\/\/mercorlv.es\/pt\/desenfumagem\/pressao-diferencial","title":{"rendered":"Sistemas mec\u00e2nicos de press\u00e3o diferencial: Sobrepress\u00f5es e extra\u00e7\u00f5es for\u00e7adas"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row full_width=&#8221;stretch_row_content_no_spaces&#8221; parallax_content=&#8221;parallax_content_value&#8221; parallax_content_sense=&#8221;30&#8243;][vc_column]<div class=\"cq-homeslider lavender noshadow \" data-captiontop=\"\" data-captionleft=\"\" data-delaytime=\"no\" data-minheight=\"\" data-maxheight=\"\" data-contentbackground=\"\" data-vc-stretch-content=\"true\" data-captionwidth=\"\" data-imagestretch=\"fullwidth\" data-contentcolor=\"\"><div class=\"cq-homeslider-area btn-medium\"><div class=\"cq-homeslider-cover\"><div class=\"cq-homeslider-itemcontainer\"><div class=\"cq-homeslider-imageitem\"><img decoding=\"async\" src=\"https:\/\/mercorlv.es\/wp-content\/uploads\/2018\/03\/sistemas_mecanicos3.jpg\" class=\"cq-homeslider-image\" alt=\"sistemas_mecanicos3\"\n><\/div><\/div><\/div><div class=\"cq-homeslider-contentcontainer \"><div class=\"cq-homeslider-content\"><div class=\"cq-homeslider-contentitem\"><h4 class=\"cq-homeslider-title\">Sistemas mec\u00e2nicos de press\u00e3o diferencial: Sobrepressi\u00f5es e extrac\u00e7\u00f5es for\u00e7adas.<\/h4><span style=\"color: #ffffff;\"><strong>CONFORME NORMA EN 12101-6<\/strong><\/span><\/p>\n<p><\/div><\/div><div class=\"cq-homeslider-navigation btn-medium\"><div class=\"homeslider-navigation-prev\"><i class=\"cq-homeslider-icon entypo-icon entypo-icon-left-open-big\"><\/i><\/div><div class=\"homeslider-navigation-next\"><i class=\"cq-homeslider-icon entypo-icon entypo-icon-right-open-big\"><\/i><\/div><\/div><\/div><\/div><\/div>[\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n<pre><code class=\"html hljs xml\"><span><span><a href=\"https:\/\/mercorlv.es\/pt\">Mercor LV<\/a><\/span><\/span><\/code><\/pre>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row parallax_content=&#8221;parallax_content_value&#8221; parallax_content_sense=&#8221;30&#8243;][vc_column]<div class=\"mgt-header-block clearfix text-left text-black wpb_content_element  mgt-header-block-style-1 mgt-header-texttransform-header \"><h1 class=\"mgt-header-block-title\">Sistemas mec\u00e2nicos de press\u00e3o diferencial: Sobrepress\u00f5es e extra\u00e7\u00f5es for\u00e7adas<\/h1><div class=\"mgt-header-line\"><\/div><\/div>[\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/2&#8243;]<div class=\"mgt-header-block clearfix text-left text-black wpb_animate_when_almost_visible wpb_top-to-bottom wpb_content_element  mgt-header-block-style-2 mgt-header-texttransform-none  vc_custom_1523620403932\"><h2 class=\"mgt-header-block-title\">Normativa<\/h2><div class=\"mgt-header-line\"><\/div><\/div>[vc_column_text]<\/p>\n<div class=\"col-md-12\">\n<div class=\"col-md-12\">\n<p style=\"text-align: justify;\">Um <strong>sistema integral<\/strong> que cumpre com a norma <strong>UNE-EN 12101-6 <\/strong><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-5744 alignright\" src=\"https:\/\/mercorlv.es\/wp-content\/uploads\/2018\/03\/sistemas_mecanicos4-293x300.jpg\" alt=\"\" width=\"293\" height=\"300\" srcset=\"https:\/\/mercorlv.es\/wp-content\/uploads\/2018\/03\/sistemas_mecanicos4-293x300.jpg 293w, https:\/\/mercorlv.es\/wp-content\/uploads\/2018\/03\/sistemas_mecanicos4-40x40.jpg 40w, https:\/\/mercorlv.es\/wp-content\/uploads\/2018\/03\/sistemas_mecanicos4.jpg 524w\" sizes=\"auto, (max-width: 293px) 100vw, 293px\" \/><strong>(Sistema de sobrepress\u00e3o)<\/strong> e\u00a0<strong>UNE 23585 (Sistema de extra\u00e7\u00e3o for\u00e7ada)<\/strong>. Uma alternativa fi\u00e1vel para proteger as v\u00edas de desenfumagem.<\/p>\n<\/div>\n<\/div>\n<p>[\/vc_column_text][vc_empty_space height=&#8221;50px&#8221;][\/vc_column][vc_column width=&#8221;1\/2&#8243;]<div class=\"mgt-header-block clearfix text-left text-black wpb_animate_when_almost_visible wpb_top-to-bottom wpb_content_element  mgt-header-block-style-2 mgt-header-texttransform-none  vc_custom_1624880169597\"><h2 class=\"mgt-header-block-title\">Fucionamento<\/h2><div class=\"mgt-header-line\"><\/div><\/div>[vc_empty_space][vc_column_text]<\/p>\n<ul>\n<li>\n<p style=\"text-align: justify;\">Um <strong>sistema de press\u00e3o diferencial<\/strong> permite manter condi\u00e7\u00f5es aceit\u00e1veis nos espa\u00e7os protegidos, <strong>limitando a propaga\u00e7\u00e3o de fumo<\/strong> de um espa\u00e7o para outro, dentro de um edif\u00edcio, atrav\u00e9s de resqu\u00edcios entre as barreiras f\u00edsicas, por exemplo, fendas ao redor de portas fechadas ou abertas. Os <strong>sistemas de press\u00e3o diferencial<\/strong> permitem melhorar o n\u00edvel de seguran\u00e7a contra inc\u00eandios de um edif\u00edcio. Existem dois tipos de Sistema Press\u00e3o Diferencial.<\/p>\n<\/li>\n<li style=\"text-align: justify;\">\n<p style=\"text-align: justify;\"><strong>Sobrepress\u00e3o<\/strong>, especialmente desenhado para proteger as vias de desenfumagem proporcionando ar, evitando assim que o fumo penetre nessas vias.<\/p>\n<\/li>\n<li style=\"text-align: justify;\">\n<p style=\"text-align: justify;\"><strong>Extra\u00e7\u00e3o for\u00e7ada<\/strong>, especialmente desenhado para <strong>elimina\u00e7\u00e3o de gases<\/strong> gerados em um inc\u00eandio, mediante depress\u00e3o atrav\u00e9s de um <strong>sistema de extra\u00e7\u00e3o<\/strong>.<\/p>\n<\/li>\n<li style=\"text-align: justify;\">\n<p style=\"text-align: justify;\">Os objetivos de um sistema de press\u00e3o diferencial s\u00e3o:<\/p>\n<\/li>\n<li style=\"text-align: justify;\">\n<p style=\"text-align: justify;\"><strong>Prote\u00e7\u00e3o da vida humana<\/strong>, mantendo condi\u00e7\u00f5es sustent\u00e1veis de seguran\u00e7a nos espa\u00e7os protegidos.<\/p>\n<\/li>\n<li style=\"text-align: justify;\"><strong>Prote\u00e7\u00e3o de vias destinadas \u00e0s opera\u00e7\u00f5es de combate ao fogo<\/strong>, j\u00e1 que a a\u00e7\u00e3o dos bombeiros depende que estas vias estejam livres de fumo, permitindo o acesso dos bombeiros at\u00e9 \u00e1rea afetada pelo fogo sem ter que utilizar equipamentos de respira\u00e7\u00e3o<\/li>\n<li style=\"text-align: justify;\"><strong>Prote\u00e7\u00e3o de bens<\/strong>: Deve-se impedir que o fumo se propague em dire\u00e7\u00e3o a \u00e1reas que contenham equipamentos valiosos, processadores de dados ou outros artigos que sejas particularmente sens\u00edveis ao mesmo.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/2&#8243;]<div class=\"mgt-header-block clearfix text-left text-black wpb_animate_when_almost_visible wpb_top-to-bottom wpb_content_element  mgt-header-block-style-2 mgt-header-texttransform-none  vc_custom_1520828699798\"><h2 class=\"mgt-header-block-title\">Caracter\u00edsticas<\/h2><div class=\"mgt-header-line\"><\/div><\/div>[vc_column_text]<\/p>\n<div class=\"row lista-soluciones\">\n<div class=\"col-md-12\">\n<div class=\"row lista-soluciones\">\n<div class=\"col-md-12\">\n<p style=\"text-align: justify;\">O controle de fumos mediante press\u00e3o diferencial \u00e9 o m\u00e9todo mais apropriado para proteger determinadas vias de evacua\u00e7\u00e3o como corredores, \u00e1trios, v\u00e3o de escada, po\u00e7o do elevador, \u00e1reas de circula\u00e7\u00e3o, etc. O C\u00f3digo T\u00e9cnico da Edifica\u00e7\u00e3o, DB SI Seguran\u00e7a em caso de inc\u00eandio, estabelece no seu Anexo a Terminologia, e na sua defini\u00e7\u00e3o de escada protegida, exp\u00f5em que: \u201cescada protegida\u201d \u00e9 aquela escada de tra\u00e7ado continuo, desde o seu in\u00edcio at\u00e9 o seu desembarco no andar de sa\u00edda do edif\u00edcio, que em caso de inc\u00eandio, constitui um recinto suficientemente seguro para permitir que os ocupantes possam permanecer no mesmo, durante um determinado tempo. A determina\u00e7\u00e3o do c\u00e1lculo do caudal determina-se em fun\u00e7\u00e3o do tipo de edif\u00edcio e uso do mesmo, conforme \u00e0s seguintes tabelas da norma:<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/2&#8243;][vc_empty_space height=&#8221;52px&#8221;][vc_single_image image=&#8221;54150&#8243; img_size=&#8221;large&#8221; add_caption=&#8221;yes&#8221; alignment=&#8221;center&#8221; style=&#8221;vc_box_rounded&#8221; onclick=&#8221;link_image&#8221;][\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space height=&#8221;42px&#8221;][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/2&#8243;]<div class=\"mgt-header-block clearfix text-left text-black wpb_animate_when_almost_visible wpb_top-to-bottom wpb_content_element  mgt-header-block-style-2 mgt-header-texttransform-none  vc_custom_1624880456422\"><h2 class=\"mgt-header-block-title\">Sistema de pressuriza\u00e7\u00e3o para v\u00e3o de escada<\/h2><div class=\"mgt-header-line\"><\/div><\/div>[vc_empty_space height=&#8221;40px&#8221; el_class=&#8221;vc_hidden-sm vc_hidden-xs&#8221;][vc_column_text]<\/p>\n<div class=\"row lista-soluciones\">\n<div class=\"col-md-12\">\n<p style=\"text-align: justify;\">O sistema de sobrepress\u00e3o, inclui:<\/p>\n<ul>\n<li style=\"text-align: justify;\">Um ventilador.<\/li>\n<li style=\"text-align: justify;\">Sondas de press\u00e3o distribu\u00eddas pelos andares da escada para manter em todo momento a press\u00e3o correta de todo o recinto.<\/li>\n<li style=\"text-align: justify;\">Um quadro de controle de gest\u00e3o do sistema.<\/li>\n<li style=\"text-align: justify;\">Todo os elementos do sistema, inclu\u00eddo a unidade de controle, desenham-se para se adaptar aos requisitos particulares de cada projeto.<\/li>\n<li style=\"text-align: justify;\">Quando o sistema de dete\u00e7\u00e3o deteta a presen\u00e7a de fumo, os ventiladores ativam-se para pressurizar a via de desenfumagem evitar em todo momento a entrada de fumo.<\/li>\n<li style=\"text-align: justify;\">Os edif\u00edcios com escada e \u00e1trios, podem requerer somente, a pressuriza\u00e7\u00e3o da escada, enquanto nos edif\u00edcios com m\u00faltiplas escadas, demandam, alem disso, a instala\u00e7\u00e3o de outros sistemas de desenfumagem que se ativar\u00e3o em caso de emerg\u00eancia para proteger as \u00e1reas intermedias.<\/li>\n<li style=\"text-align: justify;\">Os sistemas de ventila\u00e7\u00e3o e ar condicionado do edif\u00edcio deve se desconetar automaticamente em caso de inc\u00eandio.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<p>[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/2&#8243;][vc_empty_space height=&#8221;50px&#8221; 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Contate Connosco.<\/h2><div class=\"mgt-header-line\"><\/div><\/div>[\/vc_column][vc_column width=&#8221;2\/3&#8243;]\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f45603-o1\" lang=\"es-ES\" dir=\"ltr\" data-wpcf7-id=\"45603\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/pt\/wp-json\/wp\/v2\/pages\/53878#wpcf7-f45603-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"Contact form\" novalidate=\"novalidate\" data-status=\"init\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"45603\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.2\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"es_ES\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f45603-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/><input type=\"hidden\" name=\"_wpcf7_recaptcha_response\" value=\"\" \/>\n<\/fieldset>\n<p><label>Seu Nome<br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"your-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span> <\/label>\n<\/p>\n<p><label>Seu email<br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"your-email\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email\" aria-required=\"true\" aria-invalid=\"false\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span> <\/label>\n<\/p>\n<p><label>Assunto<br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"your-subject\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"your-subject\" \/><\/span> <\/label>\n<\/p>\n<p><label>Sua mensagem<br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"your-message\"><textarea cols=\"40\" rows=\"10\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea\" aria-invalid=\"false\" name=\"your-message\"><\/textarea><\/span> <\/label>\n<\/p>\n<p><span class=\"wpcf7-form-control-wrap\" data-name=\"acceptance-579\"><span class=\"wpcf7-form-control wpcf7-acceptance\"><span class=\"wpcf7-list-item\"><input type=\"checkbox\" name=\"acceptance-579\" value=\"1\" aria-invalid=\"false\" \/><\/span><\/span><\/span> Eu aceito a <a href=\"https:\/\/mercorlv.es\/pt\/politica-de-privacidade\"target=\"_blank\">Pol\u00edtica de privacidade<\/a>\n<\/p>\n<p><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"Enviar\" \/>\n<\/p><input type='hidden' class='wpcf7-pum' value='{\"closepopup\":false,\"closedelay\":0,\"openpopup\":false,\"openpopup_id\":0}' \/><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<\/form>\n<\/div>\n[vc_column_text]<\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 10px;\">Segundo estabelece o regulamento (EU) 2016\/679 do Parlamento Europeu e do Conselho, de 27 de abril de 2016, TECRESA PROTECCI\u00d3N PASIVA, S.L. informa aos usu\u00e1rios que os dados de carater pessoal que nos proporciona atrav\u00e9s do presente formul\u00e1rio ser\u00e3o tratados pela nossa companhia como respons\u00e1vel desta web. A finalidade da recolhida e tratamento dos dados pessoais que solicitamos \u00e9 para poder regist\u00e1-lo como usu\u00e1rio dos nossos servi\u00e7os que implicar\u00e1 poder enviar nossas publica\u00e7\u00f5es e ofertas, promo\u00e7\u00f5es de produtos e\/ou servi\u00e7os. A legitima\u00e7\u00e3o se realiza atrav\u00e9s do seu pr\u00f3prio consentimento como interessado. Te informamos que os dados que nos facilita n\u00e3o ser\u00e3o cedidos a terceiros. Poder\u00e1 exercer seus direitos de acesso, retifica\u00e7\u00e3o, supress\u00e3o, limita\u00e7\u00e3o de tratamento, portabilidade e esquecimento dos dados em rgpd@mercorlv.es\u00a0assim como o direito de apresentar a sua reclama\u00e7\u00e3o ante uma autoridade de controle. Te aconselhamos que amplies a informa\u00e7\u00e3o adicional e detalhada na nossa\u00a0<a href=\"https:\/\/mercorlv.es\/politica-de-privacidad\">Pol\u00edtica de Privacidade<\/a><u>.<\/u><\/span><\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row full_width=&#8221;stretch_row_content_no_spaces&#8221; parallax_content=&#8221;parallax_content_value&#8221; parallax_content_sense=&#8221;30&#8243;][vc_column][\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text] [\/vc_column_text][\/vc_column][\/vc_row][vc_row parallax_content=&#8221;parallax_content_value&#8221; parallax_content_sense=&#8221;30&#8243;][vc_column][\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/2&#8243;][vc_column_text] Um sistema integral que cumpre com a norma UNE-EN 12101-6 (Sistema de sobrepress\u00e3o) e\u00a0UNE 23585 (Sistema de extra\u00e7\u00e3o for\u00e7ada). Uma alternativa fi\u00e1vel&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":53591,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-53878","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.1.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Sistemas mec\u00e2nicos de press\u00e3o diferencial e extrac\u00e7\u00f5es for\u00e7adas<\/title>\n<meta name=\"description\" content=\"Um sistema de press\u00e3o diferencial permite manter condi\u00e7\u00f5es suport\u00e1veis em espa\u00e7os protegidos, limitando a propaga\u00e7\u00e3o do fumo de um espa\u00e7o para outro\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mercorlv.es\/pt\/desenfumagem\/pressao-diferencial\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sistemas mec\u00e2nicos de press\u00e3o diferencial e extrac\u00e7\u00f5es for\u00e7adas\" \/>\n<meta property=\"og:description\" content=\"Um sistema de press\u00e3o diferencial permite manter condi\u00e7\u00f5es suport\u00e1veis em espa\u00e7os protegidos, limitando a propaga\u00e7\u00e3o do fumo de um espa\u00e7o para outro\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mercorlv.es\/pt\/desenfumagem\/pressao-diferencial\" \/>\n<meta property=\"og:site_name\" content=\"Mercor Light &amp; 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