{"id":4525,"date":"2024-06-28T10:15:17","date_gmt":"2024-06-28T08:15:17","guid":{"rendered":"https:\/\/www.virdex.it\/2024\/06\/28\/negative-pressure-in-the-kitchen\/"},"modified":"2024-06-28T10:15:17","modified_gmt":"2024-06-28T08:15:17","slug":"negative-pressure-in-the-kitchen","status":"publish","type":"post","link":"https:\/\/www.virdex.it\/en\/2024\/06\/28\/negative-pressure-in-the-kitchen\/","title":{"rendered":"Negative pressure in the Kitchen"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_column_text text_larger=&#8221;no&#8221;][\/vc_column_text][vc_column_text text_larger=&#8221;no&#8221;]Imagine a medieval castle or a fortified city.<br \/>\nPicture those deep moats running along their entire circumference, as protection from enemy incursions.<\/p>\n<p>Here, in the case of <a href=\"https:\/\/www.virdex.it\/2024\/03\/29\/pensate-alle-compensate\/\"><em>compensated hoods<\/em><\/a>, with make-up air systems, even the kitchen of a restaurant has its own moat.<br \/>\nAlthough its purpose is more to protect what is outside&#8230;<\/p>\n<p>This protection is given by the difference in air pressure that is left in the kitchen compared to the surrounding environment.<br \/>\nThis is done with the aim of not allowing cooking fumes and related odours to &#8220;escape&#8221; into the rooms where the diners sit.<br \/>\nAnd prevent heat from entering (or exiting, depending on the season).<\/p>\n<p>Therefore, with the r<a href=\"https:\/\/aluminox.it\/en\/product\/balanced-flue-wall\/\">e-injection of make-up air<\/a>, the kitchen is left under depression compared to the surrounding rooms, to create that &#8220;moat&#8221; that allows us to go to dinner without having to stink up our hair and clothes.<\/p>\n<p>How much <em>negative pressure<\/em>?<\/p>\n<p>There is no universal rule.<\/p>\n<p>Normally the guidelines recommend re-entering the 60% of the air is extracted in the hood, and 30% in an air-conditioned environment, thus creating a negative pressure of approximately 10%.<\/p>\n<p>Approximately. I can&#8217;t stretch this enough.<\/p>\n<p>Better not more than this or a depression will be created such that muscles will be needed to be able to open the doors. And don&#8217;t go under the hood wearing a toupee&#8230;[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_column_text text_larger=&#8221;no&#8221;][\/vc_column_text][vc_column_text text_larger=&#8221;no&#8221;]Imagine a medieval castle or a fortified city. Picture those deep moats running along their entire circumference, as<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-4525","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/www.virdex.it\/en\/wp-json\/wp\/v2\/posts\/4525","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.virdex.it\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.virdex.it\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.virdex.it\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.virdex.it\/en\/wp-json\/wp\/v2\/comments?post=4525"}],"version-history":[{"count":0,"href":"https:\/\/www.virdex.it\/en\/wp-json\/wp\/v2\/posts\/4525\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.virdex.it\/en\/wp-json\/wp\/v2\/media?parent=4525"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.virdex.it\/en\/wp-json\/wp\/v2\/categories?post=4525"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.virdex.it\/en\/wp-json\/wp\/v2\/tags?post=4525"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}