{"id":336408,"date":"2022-07-14T10:59:09","date_gmt":"2022-07-14T08:59:09","guid":{"rendered":"https:\/\/www.priorit.de\/entrauchungsklappen-fuer-rauchschutz-druck-anlagen\/"},"modified":"2026-06-01T09:08:35","modified_gmt":"2026-06-01T07:08:35","slug":"entrauchungsklappen-fuer-rauchschutz-druck-anlagen","status":"publish","type":"page","link":"https:\/\/www.priorit.de\/en\/smoke-dampers-for-smoke-protection-pressure-systems\/","title":{"rendered":"Smoke dampers for smoke protection pressure systems"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l5ialr1i-6046f5103fc11881c755248543d3c80d\">\n.avia-section.av-l5ialr1i-6046f5103fc11881c755248543d3c80d{\nbackground-repeat:no-repeat;\nbackground-image:url(https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/10\/header-entrauchung-1920x400-eng.jpg);\nbackground-position:50% 50%;\nbackground-attachment:scroll;\n}\n<\/style>\n<div id='av_section_1'  class='avia-section av-l5ialr1i-6046f5103fc11881c755248543d3c80d main_color avia-section-default avia-no-border-styling  avia-builder-el-0  el_before_av_section  avia-builder-el-first  avia-bg-style-scroll av-minimum-height av-minimum-height-custom av-height-custom  container_wrap fullsize'  data-section-bg-repeat='no-repeat' data-av_minimum_height_px='400'><div class='container av-section-cont-open' style='height:400px'><main  role=\"main\" itemprop=\"mainContentOfPage\"  class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-336408'><div class='entry-content-wrapper clearfix'>\n<\/div><\/div><\/main><!-- close content main element --><\/div><\/div><div id='av_section_2'  class='avia-section av-ns0rjic-086dc478c23320fb48e3d71297ba6322 main_color avia-section-default avia-no-border-styling  avia-builder-el-1  el_after_av_section  el_before_av_section  avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-336408'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-lq5tnus-580664e8799c60df92f63761c66972d9 av_one_full  avia-builder-el-2  el_before_av_two_third  avia-builder-el-first  first flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l5ianw2f-c80028c21ae919b2a4afdf3f9be23095\">\n#top .av-special-heading.av-l5ianw2f-c80028c21ae919b2a4afdf3f9be23095{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-l5ianw2f-c80028c21ae919b2a4afdf3f9be23095 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-l5ianw2f-c80028c21ae919b2a4afdf3f9be23095 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-l5ianw2f-c80028c21ae919b2a4afdf3f9be23095 av-special-heading-h1 blockquote modern-quote  avia-builder-el-3  el_before_av_heading  avia-builder-el-first '><h1 class='av-special-heading-tag '  itemprop=\"headline\"  >PRIORIT Smoke control dampers<\/h1><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l5iao939-c949e2defdcf0654234c3f54774fb307\">\n#top .av-special-heading.av-l5iao939-c949e2defdcf0654234c3f54774fb307{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-l5iao939-c949e2defdcf0654234c3f54774fb307 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-l5iao939-c949e2defdcf0654234c3f54774fb307 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-l5iao939-c949e2defdcf0654234c3f54774fb307 av-special-heading-h3 blockquote modern-quote  avia-builder-el-4  el_after_av_heading  avia-builder-el-last '><h3 class='av-special-heading-tag '  itemprop=\"headline\"  >for use in pressure differential type smoke control systems (RDA)<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><\/p><\/div><div  class='flex_column av-h2rg2o4-c336fec6564997d93b0cf7e765dda239 av_two_third  avia-builder-el-5  el_after_av_one_full  el_before_av_one_third  first flex_column_div  column-top-margin'     ><section  class='av_textblock_section av-l5iaourw-d1bcae293a7bb4c2a7b824684d2e4f88 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p><strong> Smoke displacement through excess pressure<\/strong><\/p>\n<p>In a pressure-differential type smoke control system (RDA), in the event of a fire, the ventilation system is started first, in order to introduce additional air into the stairwell. This produces controlled pressurisation (overpressure) in the stairwell . At the same time, the smoke control damper on the storey concerned opens automatically.<\/p>\n<p>If individuals from the storey on which the fire has occurred flee to the firefighting stairs, the pressurisation becomes effective. It presses back the smoke fumes, which escape through the smoke control dampers and into the discharge shaft . This ensures that the firefighting stairs remain free from smoke and can be used safely at all times.<\/p>\n<p>By contrast, in a \u201cconventional\u201d necessary staircase, the smoke fumes from the storey on which the fire has occurred flow into the staircase. This makes the staircase unpassable for persons who want to flee from higher storeys. Firefighting work is obstructed.<\/p>\n<p><strong>Advantage<\/strong><\/p>\n<p>Firefighting stairs with RDA remove the need for a second staircase. This means that more building space is available for use, e.g. as office or living space.<\/p>\n<\/div><\/section><\/div><div  class='flex_column av-cac2pl0-254998c91d92fbc419af10759e9e548a av_one_third  avia-builder-el-7  el_after_av_two_third  el_before_av_hr  flex_column_div  column-top-margin'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l5iar17k-0e7767c6638e212c3d784af6012de53e\">\n.avia-image-container.av-l5iar17k-0e7767c6638e212c3d784af6012de53e img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-l5iar17k-0e7767c6638e212c3d784af6012de53e .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-l5iar17k-0e7767c6638e212c3d784af6012de53e av-styling- avia-align-center  avia-builder-el-8  el_before_av_image  avia-builder-el-first '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-336426 avia-img-lazy-loading-not-336426 avia_image ' src=\"https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/10\/prinzipdarstellung-rauchabzug-hochaus_eng.jpg\" alt='' title='prinzipdarstellung-rauchabzug-hochaus_eng'  height=\"471\" width=\"610\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/10\/prinzipdarstellung-rauchabzug-hochaus_eng.jpg 610w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/10\/prinzipdarstellung-rauchabzug-hochaus_eng-300x232.jpg 300w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/10\/prinzipdarstellung-rauchabzug-hochaus_eng-50x39.jpg 50w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/10\/prinzipdarstellung-rauchabzug-hochaus_eng-350x270.jpg 350w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/10\/prinzipdarstellung-rauchabzug-hochaus_eng-343x265.jpg 343w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/10\/prinzipdarstellung-rauchabzug-hochaus_eng-360x278.jpg 360w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/10\/prinzipdarstellung-rauchabzug-hochaus_eng-233x180.jpg 233w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/10\/prinzipdarstellung-rauchabzug-hochaus_eng-540x417.jpg 540w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/10\/prinzipdarstellung-rauchabzug-hochaus_eng-466x360.jpg 466w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/10\/prinzipdarstellung-rauchabzug-hochaus_eng-155x120.jpg 155w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/10\/prinzipdarstellung-rauchabzug-hochaus_eng-311x240.jpg 311w\" sizes=\"(max-width: 610px) 100vw, 610px\" \/><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l5iasgdj-06d2e78846eaf2e49566dbc7318ec74f\">\n.avia-image-container.av-l5iasgdj-06d2e78846eaf2e49566dbc7318ec74f img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-l5iasgdj-06d2e78846eaf2e49566dbc7318ec74f .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-l5iasgdj-06d2e78846eaf2e49566dbc7318ec74f av-styling- avia-align-center  avia-builder-el-9  el_after_av_image  el_before_av_button '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-331155 avia-img-lazy-loading-not-331155 avia_image ' src=\"https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/titel-smoke-damper-419x600-1-251x360.jpg\" alt='' title='titel-smoke-damper-419x600'  height=\"360\" width=\"251\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/titel-smoke-damper-419x600-1-251x360.jpg 251w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/titel-smoke-damper-419x600-1-210x300.jpg 210w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/titel-smoke-damper-419x600-1-35x50.jpg 35w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/titel-smoke-damper-419x600-1-185x265.jpg 185w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/titel-smoke-damper-419x600-1-126x180.jpg 126w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/titel-smoke-damper-419x600-1-377x540.jpg 377w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/titel-smoke-damper-419x600-1-155x222.jpg 155w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/titel-smoke-damper-419x600-1-168x240.jpg 168w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/titel-smoke-damper-419x600-1.jpg 419w\" sizes=\"(max-width: 251px) 100vw, 251px\" \/><\/div><\/div><\/div><br \/>\n<div  class='avia-button-wrap av-l5iasqyg-0977c0daded35b484b444d89e8bf5891-wrap avia-button-center  avia-builder-el-10  el_after_av_image  avia-builder-el-last '>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l5iasqyg-0977c0daded35b484b444d89e8bf5891\">\n#top #wrap_all .avia-button.av-l5iasqyg-0977c0daded35b484b444d89e8bf5891{\nborder-style:none;\nbox-shadow:none;\ntransition:all 0.4s ease-in-out;\n}\n<\/style>\n<a href='https:\/\/www.priorit.de\/wp-content\/themes\/priorit\/product-files\/documents\/eng\/PRIORIT-Smoke-damper-RDA.pdf'  class='avia-button av-l5iasqyg-0977c0daded35b484b444d89e8bf5891 av-link-btn avia-icon_select-no avia-size-medium avia-position-center avia-color-blue'   aria-label=\"View brochure\"><span class='avia_iconbox_title' >View brochure<\/span><\/a><\/div><\/p><\/div><div  class='hr av-5ul3hl0-65c46fda4e0a3e43c0f7e42d0db4f619 hr-default  avia-builder-el-11  el_after_av_one_third  avia-builder-el-last '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='av_section_3'  class='avia-section av-kul9610-eccc8dfae604e2752f107a340097a400 main_color avia-section-default avia-no-border-styling  avia-builder-el-12  el_after_av_section  avia-builder-el-last  avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-336408'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-gvo145g-f8f43206fdabed07130a096435fc8dc9 av_one_third  avia-builder-el-13  el_before_av_two_third  avia-builder-el-first  first flex_column_div  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l5iavg9y-de4568659f767b576f7a2b6bdc383e9a\">\n.avia-image-container.av-l5iavg9y-de4568659f767b576f7a2b6bdc383e9a img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-l5iavg9y-de4568659f767b576f7a2b6bdc383e9a .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-l5iavg9y-de4568659f767b576f7a2b6bdc383e9a av-styling- avia-align-center  avia-builder-el-14  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-330277 avia-img-lazy-loading-not-330277 avia_image ' src=\"https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/priodoor_etx-rda_geputzt_02.jpg\" alt='' title='priodoor_etx-rda_geputzt_02'  height=\"1000\" width=\"481\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/priodoor_etx-rda_geputzt_02.jpg 481w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/priodoor_etx-rda_geputzt_02-144x300.jpg 144w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/priodoor_etx-rda_geputzt_02-24x50.jpg 24w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/priodoor_etx-rda_geputzt_02-173x360.jpg 173w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/priodoor_etx-rda_geputzt_02-127x265.jpg 127w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/priodoor_etx-rda_geputzt_02-87x180.jpg 87w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/priodoor_etx-rda_geputzt_02-260x540.jpg 260w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/priodoor_etx-rda_geputzt_02-108x225.jpg 108w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/priodoor_etx-rda_geputzt_02-115x240.jpg 115w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/priodoor_etx-rda_geputzt_02-337x700.jpg 337w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/priodoor_etx-rda_geputzt_02-339x705.jpg 339w\" sizes=\"(max-width: 481px) 100vw, 481px\" \/><\/div><\/div><\/div><\/div><div  class='flex_column av-amndbd0-4dea91bf53b1fa1bc4ffa74b7311a455 av_two_third  avia-builder-el-15  el_after_av_one_third  el_before_av_hr  flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l5iaunho-cd17d4c9ac0b6b697598c1f626947947\">\n#top .av-special-heading.av-l5iaunho-cd17d4c9ac0b6b697598c1f626947947{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-l5iaunho-cd17d4c9ac0b6b697598c1f626947947 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-l5iaunho-cd17d4c9ac0b6b697598c1f626947947 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-l5iaunho-cd17d4c9ac0b6b697598c1f626947947 av-special-heading-h3 blockquote modern-quote  avia-builder-el-16  el_before_av_textblock  avia-builder-el-first '><h3 class='av-special-heading-tag '  itemprop=\"headline\"  >Large-sized smoke dampers according to EN12101-8 as a closure for smoke extraction openings for smoke protection pressure systems with CE certificate (new BauPVO)<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-l5iavxej-61209b469d71dd74a139f99e90f837ff '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>PRIORIT exit closure PRIODOOR ETX RDA has passed the fire test for smoke protection dampers in accordance with DIN EN 1366-10. Thus smoke protection pressure systems can now be designed with almost any exit surface area size without disturbing the overall appearance of corridors and galleries. For all PRIODOOR ETX RDA exit closures are manufactured with decorative surfaces from material classified as non-combustible. In case of fire they automatically open into the discharge ventilation shaft.<\/p>\n<p>The new feature of the PRIORIT smoke exit closures are the big exit surface areas, which can be very cost-effectively and appealingly integrated into buildings. Thanks to the flush construction even nearly invisible exit closures can be successfully implemented.<\/p>\n<p>The exit closures are suitable for smoke protection pressure systems according to DIN EN 12101 as they are used in internal safety stairwells. During regular operation, the covers are closed flush in the block frame and ensure a tight seal. Only in case of fire and exhaust opening opens on the floor with the fire for discharging hazardous fire gases. It is operated by a smoke protection pressure system. The installation minimizes the spread of smoke in areas and floors with fire and increases the safety in the building.<\/p>\n<\/div><\/section><\/p><\/div><div  class='hr av-7qo9344-0ca994bd1697a35fdb08da39be823661 hr-default  avia-builder-el-18  el_after_av_two_third  el_before_av_one_full '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div  class='flex_column av-2i648p6s-33142f09581580e9941666f97973999e av_one_full  avia-builder-el-19  el_after_av_hr  el_before_av_one_full  first flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l5krxnaw-89d1fb2084db06252d8ae4cc1aa5b807\">\n#top .av-special-heading.av-l5krxnaw-89d1fb2084db06252d8ae4cc1aa5b807{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-l5krxnaw-89d1fb2084db06252d8ae4cc1aa5b807 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-l5krxnaw-89d1fb2084db06252d8ae4cc1aa5b807 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1000px\" data-rel='gallery-1' data-prev-img='https:\/\/www.priorit.de\/wp-content\/uploads\/2024\/06\/referenz-cradle-innenansicht-07-495x400.jpg' class='lightbox ' data-onclick='8' title='referenz-cradle-innenansicht-07'  itemprop=\"thumbnailUrl\"  ><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-348165 avia-img-lazy-loading-not-348165\"   src=\"https:\/\/www.priorit.de\/wp-content\/uploads\/2024\/06\/referenz-cradle-innenansicht-07-495x400.jpg\" width=\"495\" height=\"400\"  title='referenz-cradle-innenansicht-07' alt='' \/><div class='big-prev-fake'><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-348165 avia-img-lazy-loading-348165\"  width=\"495\" height=\"400\" src=\"https:\/\/www.priorit.de\/wp-content\/uploads\/2024\/06\/referenz-cradle-innenansicht-07-495x400.jpg\" title='referenz-cradle-innenansicht-07' alt='' \/><\/div><\/a><a href=\"https:\/\/www.priorit.de\/wp-content\/uploads\/2024\/06\/referenz-cradle-innenansicht-12.jpg\" data-srcset=\"https:\/\/www.priorit.de\/wp-content\/uploads\/2024\/06\/referenz-cradle-innenansicht-12.jpg 1000w, https:\/\/www.priorit.de\/wp-content\/uploads\/2024\/06\/referenz-cradle-innenansicht-12-300x200.jpg 300w, https:\/\/www.priorit.de\/wp-content\/uploads\/2024\/06\/referenz-cradle-innenansicht-12-768x512.jpg 768w, https:\/\/www.priorit.de\/wp-content\/uploads\/2024\/06\/referenz-cradle-innenansicht-12-50x33.jpg 50w, https:\/\/www.priorit.de\/wp-content\/uploads\/2024\/06\/referenz-cradle-innenansicht-12-350x233.jpg 350w, https:\/\/www.priorit.de\/wp-content\/uploads\/2024\/06\/referenz-cradle-innenansicht-12-360x240.jpg 360w, https:\/\/www.priorit.de\/wp-content\/uploads\/2024\/06\/referenz-cradle-innenansicht-12-270x180.jpg 270w, https:\/\/www.priorit.de\/wp-content\/uploads\/2024\/06\/referenz-cradle-innenansicht-12-540x360.jpg 540w, https:\/\/www.priorit.de\/wp-content\/uploads\/2024\/06\/referenz-cradle-innenansicht-12-155x103.jpg 155w, https:\/\/www.priorit.de\/wp-content\/uploads\/2024\/06\/referenz-cradle-innenansicht-12-705x470.jpg 705w\" data-sizes=\"(max-width: 1000px) 100vw, 1000px\" data-rel='gallery-1' data-prev-img='https:\/\/www.priorit.de\/wp-content\/uploads\/2024\/06\/referenz-cradle-innenansicht-12-495x400.jpg' class='lightbox ' data-onclick='9' title='referenz-cradle-innenansicht-12'  itemprop=\"thumbnailUrl\"  ><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-348155 avia-img-lazy-loading-not-348155\"   src=\"https:\/\/www.priorit.de\/wp-content\/uploads\/2024\/06\/referenz-cradle-innenansicht-12-495x400.jpg\" width=\"495\" height=\"400\"  title='referenz-cradle-innenansicht-12' alt='' \/><div class='big-prev-fake'><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-348155 avia-img-lazy-loading-348155\"  width=\"495\" height=\"400\" src=\"https:\/\/www.priorit.de\/wp-content\/uploads\/2024\/06\/referenz-cradle-innenansicht-12-495x400.jpg\" title='referenz-cradle-innenansicht-12' alt='' \/><\/div><\/a><a href=\"https:\/\/www.priorit.de\/wp-content\/uploads\/2025\/01\/Referenz-Koenigshof-Muenchen-05.jpg\" data-srcset=\"https:\/\/www.priorit.de\/wp-content\/uploads\/2025\/01\/Referenz-Koenigshof-Muenchen-05.jpg 1000w, https:\/\/www.priorit.de\/wp-content\/uploads\/2025\/01\/Referenz-Koenigshof-Muenchen-05-300x200.jpg 300w, https:\/\/www.priorit.de\/wp-content\/uploads\/2025\/01\/Referenz-Koenigshof-Muenchen-05-768x512.jpg 768w, https:\/\/www.priorit.de\/wp-content\/uploads\/2025\/01\/Referenz-Koenigshof-Muenchen-05-50x33.jpg 50w, https:\/\/www.priorit.de\/wp-content\/uploads\/2025\/01\/Referenz-Koenigshof-Muenchen-05-350x233.jpg 350w, https:\/\/www.priorit.de\/wp-content\/uploads\/2025\/01\/Referenz-Koenigshof-Muenchen-05-360x240.jpg 360w, https:\/\/www.priorit.de\/wp-content\/uploads\/2025\/01\/Referenz-Koenigshof-Muenchen-05-270x180.jpg 270w, https:\/\/www.priorit.de\/wp-content\/uploads\/2025\/01\/Referenz-Koenigshof-Muenchen-05-540x360.jpg 540w, https:\/\/www.priorit.de\/wp-content\/uploads\/2025\/01\/Referenz-Koenigshof-Muenchen-05-155x103.jpg 155w, https:\/\/www.priorit.de\/wp-content\/uploads\/2025\/01\/Referenz-Koenigshof-Muenchen-05-705x470.jpg 705w\" data-sizes=\"(max-width: 1000px) 100vw, 1000px\" data-rel='gallery-1' data-prev-img='https:\/\/www.priorit.de\/wp-content\/uploads\/2025\/01\/Referenz-Koenigshof-Muenchen-05-495x400.jpg' class='first_thumb lightbox ' data-onclick='10' title='Referenz-Koenigshof-Muenchen-05'  itemprop=\"thumbnailUrl\"  ><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-350267 avia-img-lazy-loading-not-350267\"   src=\"https:\/\/www.priorit.de\/wp-content\/uploads\/2025\/01\/Referenz-Koenigshof-Muenchen-05-495x400.jpg\" width=\"495\" height=\"400\"  title='Referenz-Koenigshof-Muenchen-05' alt='' \/><div class='big-prev-fake'><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-350267 avia-img-lazy-loading-350267\"  width=\"495\" height=\"400\" src=\"https:\/\/www.priorit.de\/wp-content\/uploads\/2025\/01\/Referenz-Koenigshof-Muenchen-05-495x400.jpg\" title='Referenz-Koenigshof-Muenchen-05' alt='' \/><\/div><\/a><a href=\"https:\/\/www.priorit.de\/wp-content\/uploads\/2023\/02\/referenzbild-entrauchungsklappe-800x800-03.jpg\" data-srcset=\"https:\/\/www.priorit.de\/wp-content\/uploads\/2023\/02\/referenzbild-entrauchungsklappe-800x800-03.jpg 800w, https:\/\/www.priorit.de\/wp-content\/uploads\/2023\/02\/referenzbild-entrauchungsklappe-800x800-03-300x300.jpg 300w, https:\/\/www.priorit.de\/wp-content\/uploads\/2023\/02\/referenzbild-entrauchungsklappe-800x800-03-80x80.jpg 80w, https:\/\/www.priorit.de\/wp-content\/uploads\/2023\/02\/referenzbild-entrauchungsklappe-800x800-03-768x768.jpg 768w, https:\/\/www.priorit.de\/wp-content\/uploads\/2023\/02\/referenzbild-entrauchungsklappe-800x800-03-50x50.jpg 50w, https:\/\/www.priorit.de\/wp-content\/uploads\/2023\/02\/referenzbild-entrauchungsklappe-800x800-03-350x350.jpg 350w, https:\/\/www.priorit.de\/wp-content\/uploads\/2023\/02\/referenzbild-entrauchungsklappe-800x800-03-265x265.jpg 265w, https:\/\/www.priorit.de\/wp-content\/uploads\/2023\/02\/referenzbild-entrauchungsklappe-800x800-03-360x360.jpg 360w, https:\/\/www.priorit.de\/wp-content\/uploads\/2023\/02\/referenzbild-entrauchungsklappe-800x800-03-180x180.jpg 180w, https:\/\/www.priorit.de\/wp-content\/uploads\/2023\/02\/referenzbild-entrauchungsklappe-800x800-03-540x540.jpg 540w, https:\/\/www.priorit.de\/wp-content\/uploads\/2023\/02\/referenzbild-entrauchungsklappe-800x800-03-155x155.jpg 155w, https:\/\/www.priorit.de\/wp-content\/uploads\/2023\/02\/referenzbild-entrauchungsklappe-800x800-03-240x240.jpg 240w, https:\/\/www.priorit.de\/wp-content\/uploads\/2023\/02\/referenzbild-entrauchungsklappe-800x800-03-700x700.jpg 700w, https:\/\/www.priorit.de\/wp-content\/uploads\/2023\/02\/referenzbild-entrauchungsklappe-800x800-03-36x36.jpg 36w, https:\/\/www.priorit.de\/wp-content\/uploads\/2023\/02\/referenzbild-entrauchungsklappe-800x800-03-705x705.jpg 705w\" data-sizes=\"(max-width: 800px) 100vw, 800px\" data-rel='gallery-1' data-prev-img='https:\/\/www.priorit.de\/wp-content\/uploads\/2023\/02\/referenzbild-entrauchungsklappe-800x800-03-495x400.jpg' class='lightbox ' data-onclick='11' title='Entrauchungsklappe PRIODOOR ETX RDA, farblich angepasst'  itemprop=\"thumbnailUrl\"  ><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-340183 avia-img-lazy-loading-not-340183\"  data-avia-tooltip='Entrauchungsklappe PRIODOOR ETX RDA, farblich angepasst' src=\"https:\/\/www.priorit.de\/wp-content\/uploads\/2023\/02\/referenzbild-entrauchungsklappe-800x800-03-495x400.jpg\" width=\"495\" height=\"400\"  title='referenzbild-entrauchungsklappe-800x800-03' alt='' \/><div class='big-prev-fake'><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-340183 avia-img-lazy-loading-340183\"  width=\"495\" height=\"400\" src=\"https:\/\/www.priorit.de\/wp-content\/uploads\/2023\/02\/referenzbild-entrauchungsklappe-800x800-03-495x400.jpg\" title='referenzbild-entrauchungsklappe-800x800-03' alt='' \/><\/div><\/a><\/div><\/div><br \/>\n<div  class='hr av-28b54osk-cb002b53fda502a96d592ad3696fb53a hr-default  avia-builder-el-22  el_after_av_gallery  avia-builder-el-last '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/p><\/div><div  class='flex_column av-1xtbt1z8-2e23049788b633d0b099dbc59971a0b8 av_one_full  avia-builder-el-23  el_after_av_one_full  el_before_av_one_half  first flex_column_div  column-top-margin'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l5ks0y9h-d9d62942bb6110ca5bf4c19ea646ec2c\">\n#top .av-special-heading.av-l5ks0y9h-d9d62942bb6110ca5bf4c19ea646ec2c{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-l5ks0y9h-d9d62942bb6110ca5bf4c19ea646ec2c .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-l5ks0y9h-d9d62942bb6110ca5bf4c19ea646ec2c .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-l5ks0y9h-d9d62942bb6110ca5bf4c19ea646ec2c av-special-heading-h1 blockquote modern-quote  avia-builder-el-24  el_before_av_textblock  avia-builder-el-first '><h1 class='av-special-heading-tag '  itemprop=\"headline\"  >Advantages of our smoke damper:<\/h1><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-l5ks1e3t-9295f8fea7dcb00b352d5a2f81dcda8b '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><ul>\n<li>Fire resistance up to EI 120<\/li>\n<li>Non-combustible decorative composite material<\/li>\n<li>Flush installation in a duct<\/li>\n<li>Smoke-tight sealing<\/li>\n<li>Controllable drive<\/li>\n<li>Small installation depth<\/li>\n<li>Attractive look<\/li>\n<li>Cost-effective price<\/li>\n<li>Use in any pressure differential type smoke control system (regardless of manufacturer)<\/li>\n<\/ul>\n<p>Exit closures can be installed in existing ducts or by using the PRIOWALL wall system. Thus, even entire ducts with side walls and top panels can be produced in a uniform design.<\/p>\n<\/div><\/section><br \/>\n<div  class='hr av-1tuopddw-f79dadefea061759e573106e745a295f hr-default  avia-builder-el-26  el_after_av_textblock  avia-builder-el-last '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/p><\/div><div  class='flex_column av-1ku8njpg-7fa9f4df2e6a997f1c94f74a7e32a296 av_one_half  avia-builder-el-27  el_after_av_one_full  el_before_av_one_half  first flex_column_div  column-top-margin'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l5ksn67n-b77076093cb0c96bdba14fc5389ea73f\">\n.avia-image-container.av-l5ksn67n-b77076093cb0c96bdba14fc5389ea73f img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-l5ksn67n-b77076093cb0c96bdba14fc5389ea73f .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-l5ksn67n-b77076093cb0c96bdba14fc5389ea73f av-styling- avia-align-center  avia-builder-el-28  el_before_av_button  avia-builder-el-first '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-330281 avia-img-lazy-loading-not-330281 avia_image ' src=\"https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/priodoor-etx-rda-info-bild-800x600-1.jpg\" alt='' title='priodoor-etx-rda-info-bild-800x600'  height=\"600\" width=\"800\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/priodoor-etx-rda-info-bild-800x600-1.jpg 800w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/priodoor-etx-rda-info-bild-800x600-1-300x225.jpg 300w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/priodoor-etx-rda-info-bild-800x600-1-768x576.jpg 768w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/priodoor-etx-rda-info-bild-800x600-1-50x38.jpg 50w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/priodoor-etx-rda-info-bild-800x600-1-350x263.jpg 350w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/priodoor-etx-rda-info-bild-800x600-1-360x270.jpg 360w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/priodoor-etx-rda-info-bild-800x600-1-240x180.jpg 240w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/priodoor-etx-rda-info-bild-800x600-1-540x405.jpg 540w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/priodoor-etx-rda-info-bild-800x600-1-480x360.jpg 480w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/priodoor-etx-rda-info-bild-800x600-1-155x116.jpg 155w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/priodoor-etx-rda-info-bild-800x600-1-320x240.jpg 320w, https:\/\/www.priorit.de\/wp-content\/uploads\/2022\/07\/priodoor-etx-rda-info-bild-800x600-1-705x529.jpg 705w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/div><\/div><\/div><br \/>\n<div  class='avia-button-wrap av-l5ksnr9u-2b3998893949e9c4f21c7294b6e0fe87-wrap avia-button-left  avia-builder-el-29  el_after_av_image  avia-builder-el-last '>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l5ksnr9u-2b3998893949e9c4f21c7294b6e0fe87\">\n#top #wrap_all .avia-button.av-l5ksnr9u-2b3998893949e9c4f21c7294b6e0fe87{\nborder-style:none;\nbox-shadow:none;\ntransition:all 0.4s ease-in-out;\n}\n<\/style>\n<a href='https:\/\/www.priorit.de\/en\/products\/priodoor-etx-rda\/'  class='avia-button av-l5ksnr9u-2b3998893949e9c4f21c7294b6e0fe87 av-link-btn avia-icon_select-no avia-size-medium avia-position-left avia-color-blue'   aria-label=\"To the product\"><span class='avia_iconbox_title' >To the product<\/span><\/a><\/div><\/p><\/div><div  class='flex_column av-1fvjmwck-32bf232a8a5e5eb3cdad20b367f4a690 av_one_half  avia-builder-el-30  el_after_av_one_half  el_before_av_hr  flex_column_div  column-top-margin'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l5ks96d7-8adf02668f0f2f66a51c3d8f62ebcefb\">\n#top .av-special-heading.av-l5ks96d7-8adf02668f0f2f66a51c3d8f62ebcefb{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-l5ks96d7-8adf02668f0f2f66a51c3d8f62ebcefb .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-l5ks96d7-8adf02668f0f2f66a51c3d8f62ebcefb .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-l5ks96d7-8adf02668f0f2f66a51c3d8f62ebcefb av-special-heading-h3 blockquote modern-quote  avia-builder-el-31  el_before_av_textblock  avia-builder-el-first '><h3 class='av-special-heading-tag '  itemprop=\"headline\"  >PRIODOOR ETX RDA \u2013 Smoke damper, vertical<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-l5ks9h25-10962fa3d3f1943ecbb69e4311087281 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Large-size, single-vent, fire resistant, specially designed for installation in RDA outlet ducts (RDA = Fire protection pressure systems). When a fire occurs, the exhaust damper is automatically opened by the control unit of the RDA supplied by the customer. Large-size cross sections offer a free unhindered outlet surface area for combustion gases. The closure is smoke-proof and offers fire resistance for up to 90 minutes.<\/p>\n<p>The exit closures are suitable for smoke protection pressure systems according to DIN EN 12101 as they are used in internal safety stairwells. During regular operation, the covers are closed flush in the block frame and ensure a tight seal. Only in case of fire and exhaust opening opens on the floor with the fire for discharging hazardous fire gases. It is operated by a smoke protection pressure system. The installation minimizes the spread of smoke in areas and floors with fire and increases the safety in the building.<\/p>\n<\/div><\/section><\/p><\/div><div  class='hr av-1eazgfgk-060e21459d91499685b627dc435b9e04 hr-default  avia-builder-el-33  el_after_av_one_half  el_before_av_one_half '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div  class='flex_column av-12wep39g-860f584170b89a3f0013bbef07ef1433 av_one_half  avia-builder-el-34  el_after_av_hr  el_before_av_one_half  first flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l5ksoyno-67852875f9e66d7076bed4aebf70d7f7\">\n#top .av-special-heading.av-l5ksoyno-67852875f9e66d7076bed4aebf70d7f7{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-l5ksoyno-67852875f9e66d7076bed4aebf70d7f7 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-l5ksoyno-67852875f9e66d7076bed4aebf70d7f7 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-l5ksoyno-67852875f9e66d7076bed4aebf70d7f7 av-special-heading-h3 blockquote modern-quote  avia-builder-el-35  el_before_av_textblock  avia-builder-el-first '><h3 class='av-special-heading-tag '  itemprop=\"headline\"  >PRIODOOR ETX RDA H \u2013 Smoke damper, horizontal<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-l5ksphxl-dd71cab3138fde47d3345d96346ce650 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p><strong>Installation in PRIOWALL and solid walls possible<\/strong><\/p>\n<p>Large format, single leaf, fire resistant smoke control damper especially designed for installation in air release shafts of RDA (RDA = Smoke protection pressure systems). In case of fire the smoke control damper is opened automatically by the controls of the on-site RDA. Large-format cross-sections provide a clear, unobstructed air release area for fire gases. The closure is smoke-tight and provides fire resistance for 90 minutes.<\/p>\n<\/div><\/section><\/p><\/div><div  class='flex_column av-wq6njpg-75ac7443803b3975e43a66024f3ede37 av_one_half  avia-builder-el-37  el_after_av_one_half  el_before_av_hr  flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l5kson9m-5be02967d15b911393565fe26260e4f5\">\n.avia-image-container.av-l5kson9m-5be02967d15b911393565fe26260e4f5 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-l5kson9m-5be02967d15b911393565fe26260e4f5 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-l5kson9m-5be02967d15b911393565fe26260e4f5 av-styling- avia-align-center  avia-builder-el-38  el_before_av_button  avia-builder-el-first '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img 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el_before_av_one_half  first flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mcx2gqbf-c405650e3a30923c1d515038eaa4e9cb\">\n.avia-image-container.av-mcx2gqbf-c405650e3a30923c1d515038eaa4e9cb img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-mcx2gqbf-c405650e3a30923c1d515038eaa4e9cb .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-mcx2gqbf-c405650e3a30923c1d515038eaa4e9cb av-styling- avia-align-center  avia-builder-el-42  el_before_av_button  avia-builder-el-first '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-347505 avia-img-lazy-loading-not-347505 avia_image ' src=\"https:\/\/www.priorit.de\/wp-content\/uploads\/2024\/04\/prioair-standard-geschlossen-800x600-1.jpg\" alt='' title='prioair-standard-geschlossen-800x600'  height=\"600\" width=\"800\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.priorit.de\/wp-content\/uploads\/2024\/04\/prioair-standard-geschlossen-800x600-1.jpg 800w, https:\/\/www.priorit.de\/wp-content\/uploads\/2024\/04\/prioair-standard-geschlossen-800x600-1-300x225.jpg 300w, https:\/\/www.priorit.de\/wp-content\/uploads\/2024\/04\/prioair-standard-geschlossen-800x600-1-768x576.jpg 768w, https:\/\/www.priorit.de\/wp-content\/uploads\/2024\/04\/prioair-standard-geschlossen-800x600-1-50x38.jpg 50w, https:\/\/www.priorit.de\/wp-content\/uploads\/2024\/04\/prioair-standard-geschlossen-800x600-1-350x263.jpg 350w, https:\/\/www.priorit.de\/wp-content\/uploads\/2024\/04\/prioair-standard-geschlossen-800x600-1-360x270.jpg 360w, https:\/\/www.priorit.de\/wp-content\/uploads\/2024\/04\/prioair-standard-geschlossen-800x600-1-240x180.jpg 240w, https:\/\/www.priorit.de\/wp-content\/uploads\/2024\/04\/prioair-standard-geschlossen-800x600-1-540x405.jpg 540w, https:\/\/www.priorit.de\/wp-content\/uploads\/2024\/04\/prioair-standard-geschlossen-800x600-1-480x360.jpg 480w, https:\/\/www.priorit.de\/wp-content\/uploads\/2024\/04\/prioair-standard-geschlossen-800x600-1-155x116.jpg 155w, https:\/\/www.priorit.de\/wp-content\/uploads\/2024\/04\/prioair-standard-geschlossen-800x600-1-320x240.jpg 320w, https:\/\/www.priorit.de\/wp-content\/uploads\/2024\/04\/prioair-standard-geschlossen-800x600-1-705x529.jpg 705w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/div><\/div><\/div><br \/>\n<div  class='avia-button-wrap av-mcx2n3el-38b8e77eee1ff63dc342bf73a3896b8c-wrap avia-button-left  avia-builder-el-43  el_after_av_image  avia-builder-el-last '>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mcx2n3el-38b8e77eee1ff63dc342bf73a3896b8c\">\n#top #wrap_all .avia-button.av-mcx2n3el-38b8e77eee1ff63dc342bf73a3896b8c{\nborder-style:none;\nbox-shadow:none;\ntransition:all 0.4s ease-in-out;\n}\n<\/style>\n<a href='https:\/\/www.priorit.de\/en\/produkte\/prioair-sd-rda-v-2'  class='avia-button av-mcx2n3el-38b8e77eee1ff63dc342bf73a3896b8c av-link-btn avia-icon_select-no avia-size-medium avia-position-left avia-color-blue'   aria-label=\"To the product\"><span class='avia_iconbox_title' >To the product<\/span><\/a><\/div><\/p><\/div><div  class='flex_column av-av_one_half-9eb0b0497343581f13006b64621e1dbd av_one_half  avia-builder-el-44  el_after_av_one_half  el_before_av_hr  flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mcx2hgnv-e6fa36b89d1f0b35890fbf4edfeadffb\">\n#top .av-special-heading.av-mcx2hgnv-e6fa36b89d1f0b35890fbf4edfeadffb{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-mcx2hgnv-e6fa36b89d1f0b35890fbf4edfeadffb .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-mcx2hgnv-e6fa36b89d1f0b35890fbf4edfeadffb .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-mcx2hgnv-e6fa36b89d1f0b35890fbf4edfeadffb av-special-heading-h3 blockquote modern-quote  avia-builder-el-45  el_before_av_textblock  avia-builder-el-first '><h3 class='av-special-heading-tag '  itemprop=\"headline\"  >PRIOAIR SD RDA V \u2013 Smoke damper, vertical<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-mcx2mlyt-085796f67bcb25d6c64c604500607a38 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p><strong>Minimal optics with maximum safety<\/strong><\/p>\n<p>The PRIOAIR SD-RDA-V smoke extraction damper not only impresses with its exceptionally large free discharge area in relation to the installation opening, but also with its minimalist design.<\/p>\n<p>The smoke extraction dampers are suitable for installation in solid wall constructions, single-sided planked plasterboard fire protection board shaft walls, PRIOWALL wall elements and in fire-resistant smoke extraction ducts.<\/p>\n<p>The smoke control damper has been tested for fire resistance over 90 minutes from the inside and outside and a smoke tightness of up to 1,000 Pa, as well as being subjected to an endurance test over 10,000 closing and opening cycles and therefore has the performance level EI90(V<sub>edw<\/sub> i&lt;-&gt;o) S1000C<sub>10000<\/sub>.<\/p>\n<\/div><\/section><\/p><\/div><div  class='hr av-av_hr-f04ef840c2b66cff6c43fead44ee8d66 hr-default  avia-builder-el-47  el_after_av_one_half  el_before_av_one_half '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div  class='flex_column av-av_one_half-056fdc81304b0631f46ffdcd249e707f av_one_half  avia-builder-el-48  el_after_av_hr  el_before_av_one_half  first flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mpuv76ue-2d60d858954b801cf17dd30b617e2e9f\">\n#top .av-special-heading.av-mpuv76ue-2d60d858954b801cf17dd30b617e2e9f{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-mpuv76ue-2d60d858954b801cf17dd30b617e2e9f .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-mpuv76ue-2d60d858954b801cf17dd30b617e2e9f .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-mpuv76ue-2d60d858954b801cf17dd30b617e2e9f av-special-heading-h3 blockquote modern-quote  avia-builder-el-49  el_before_av_textblock  avia-builder-el-first '><h3 class='av-special-heading-tag '  itemprop=\"headline\"  >PRIOAIR SD-Slim \u2013 Smoke damper, vertical<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-mpuv8s9r-3da2d14edcb6414b7c5aa8b7c0f84629 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Single-leaf, fire-resistant smoke extraction damper, specially designed to seal exhaust shafts as part of RDA (smoke protection pressure systems). The aim is to keep safety stairwells smoke-free. The damper opens automatically in the event of fire via the control of the on-site RDA, providing a free, unobstructed exhaust area for fire gases. The closure is smoke-tight and offers fire resistance for over 90 minutes.<\/p>\n<p>PRIOAIR SD-SLIM is classified for vertical installation in walls and ducts, thus meeting the required classification for installation in shaft walls v<sub>edw<\/sub> (d = duct smoke extraction duct, w = wall \u2013 part of the smoke extraction duct) and, in its largest size, offers an exhaust area of up to 1.81 m\u00b2 at pressure stage 2.<\/p>\n<\/div><\/section><\/p><\/div><div  class='flex_column av-av_one_half-9eb0b0497343581f13006b64621e1dbd av_one_half  avia-builder-el-51  el_after_av_one_half  el_before_av_hr  flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mpuv7hu2-5f56102cfe40b3fb500b483613345c9b\">\n.avia-image-container.av-mpuv7hu2-5f56102cfe40b3fb500b483613345c9b img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-mpuv7hu2-5f56102cfe40b3fb500b483613345c9b .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-mpuv7hu2-5f56102cfe40b3fb500b483613345c9b av-styling- avia-align-center  avia-builder-el-52  el_before_av_button  avia-builder-el-first '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-356566 avia-img-lazy-loading-not-356566 avia_image ' src=\"https:\/\/www.priorit.de\/wp-content\/uploads\/2026\/06\/produktbild-prioair-slim-standard-grau-bg.jpg\" alt='' title='produktbild-prioair-slim-standard-grau-bg'  height=\"600\" width=\"800\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.priorit.de\/wp-content\/uploads\/2026\/06\/produktbild-prioair-slim-standard-grau-bg.jpg 800w, https:\/\/www.priorit.de\/wp-content\/uploads\/2026\/06\/produktbild-prioair-slim-standard-grau-bg-300x225.jpg 300w, https:\/\/www.priorit.de\/wp-content\/uploads\/2026\/06\/produktbild-prioair-slim-standard-grau-bg-768x576.jpg 768w, https:\/\/www.priorit.de\/wp-content\/uploads\/2026\/06\/produktbild-prioair-slim-standard-grau-bg-50x38.jpg 50w, https:\/\/www.priorit.de\/wp-content\/uploads\/2026\/06\/produktbild-prioair-slim-standard-grau-bg-350x263.jpg 350w, https:\/\/www.priorit.de\/wp-content\/uploads\/2026\/06\/produktbild-prioair-slim-standard-grau-bg-360x270.jpg 360w, https:\/\/www.priorit.de\/wp-content\/uploads\/2026\/06\/produktbild-prioair-slim-standard-grau-bg-240x180.jpg 240w, https:\/\/www.priorit.de\/wp-content\/uploads\/2026\/06\/produktbild-prioair-slim-standard-grau-bg-540x405.jpg 540w, https:\/\/www.priorit.de\/wp-content\/uploads\/2026\/06\/produktbild-prioair-slim-standard-grau-bg-480x360.jpg 480w, https:\/\/www.priorit.de\/wp-content\/uploads\/2026\/06\/produktbild-prioair-slim-standard-grau-bg-155x116.jpg 155w, https:\/\/www.priorit.de\/wp-content\/uploads\/2026\/06\/produktbild-prioair-slim-standard-grau-bg-320x240.jpg 320w, https:\/\/www.priorit.de\/wp-content\/uploads\/2026\/06\/produktbild-prioair-slim-standard-grau-bg-705x529.jpg 705w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/div><\/div><\/div><br \/>\n<div  class='avia-button-wrap av-mpuvab09-3ce2fefbb44890ec21494171bf523000-wrap avia-button-left  avia-builder-el-53  el_after_av_image  avia-builder-el-last '>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mpuvab09-3ce2fefbb44890ec21494171bf523000\">\n#top #wrap_all .avia-button.av-mpuvab09-3ce2fefbb44890ec21494171bf523000{\nborder-style:none;\nbox-shadow:none;\ntransition:all 0.4s ease-in-out;\n}\n<\/style>\n<a href='https:\/\/www.priorit.de\/en\/produkte\/prioair-sd-slim\/'  class='avia-button av-mpuvab09-3ce2fefbb44890ec21494171bf523000 av-link-btn avia-icon_select-no avia-size-medium avia-position-left avia-color-blue'   aria-label=\"To the product\"><span class='avia_iconbox_title' >To the product<\/span><\/a><\/div><\/p><\/div><div  class='hr av-rathykk-174f47ac8f0e1c496fa85852cef817d1 hr-default  avia-builder-el-54  el_after_av_one_half  avia-builder-el-last '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-336408","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - 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