{"id":114275,"date":"2024-04-12T09:15:05","date_gmt":"2024-04-12T07:15:05","guid":{"rendered":"https:\/\/webserver.gfps.de\/differential-pressure-displacement-flow\/"},"modified":"2024-06-14T19:11:47","modified_gmt":"2024-06-14T17:11:47","slug":"differential-pressure-displacement-flow","status":"publish","type":"page","link":"https:\/\/www.gfps.de\/en\/differential-pressure-displacement-flow\/","title":{"rendered":"Differential pressure \/ displacement flow"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row unlock_row_content=&#8221;yes&#8221; row_height_percent=&#8221;60&#8243; override_padding=&#8221;yes&#8221; h_padding=&#8221;0&#8243; top_padding=&#8221;0&#8243; bottom_padding=&#8221;0&#8243; back_color=&#8221;color-nhtu&#8221; back_image=&#8221;112122&#8243; back_position=&#8221;center center&#8221; overlay_color=&#8221;color-983180&#8243; overlay_alpha=&#8221;51&#8243; equal_height=&#8221;yes&#8221; gutter_size=&#8221;0&#8243; column_width_percent=&#8221;100&#8243; shift_y=&#8221;0&#8243; z_index=&#8221;0&#8243; enable_bottom_divider=&#8221;default&#8221; bottom_divider=&#8221;gradient&#8221; shape_bottom_h_use_pixel=&#8221;true&#8221; shape_bottom_height_percent=&#8221;100&#8243; shape_bottom_color=&#8221;accent&#8221; shape_bottom_opacity=&#8221;90&#8243; shape_bottom_index=&#8221;0&#8243; row_height_pixel=&#8221;280&#8243; row_name=&#8221;Intro&#8221; uncode_shortcode_id=&#8221;180676&#8243; back_color_type=&#8221;uncode-palette&#8221; shape_bottom_color_type=&#8221;uncode-palette&#8221; overlay_color_type=&#8221;uncode-palette&#8221;][vc_column column_width_percent=&#8221;100&#8243; position_horizontal=&#8221;left&#8221; position_vertical=&#8221;bottom&#8221; gutter_size=&#8221;1&#8243; override_padding=&#8221;yes&#8221; column_padding=&#8221;4&#8243; style=&#8221;dark&#8221; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; align_medium=&#8221;align_left_tablet&#8221; medium_width=&#8221;0&#8243; align_mobile=&#8221;align_left_mobile&#8221; mobile_width=&#8221;0&#8243; css_animation=&#8221;bottom-t-top&#8221; animation_speed=&#8221;1000&#8243; width=&#8221;1\/1&#8243; uncode_shortcode_id=&#8221;100446&#8243;][vc_custom_heading heading_semantic=&#8221;h3&#8243; text_font=&#8221;font-453567&#8243; text_size=&#8221;h4&#8243; text_weight=&#8221;300&#8243; text_transform=&#8221;uppercase&#8221; text_space=&#8221;fontspace-210350&#8243; sub_lead=&#8221;yes&#8221; sub_reduced=&#8221;yes&#8221; uncode_shortcode_id=&#8221;162828&#8243;]Clean room[\/vc_custom_heading][vc_custom_heading heading_semantic=&#8221;h1&#8243; text_size=&#8221;fontsize-155944&#8243; text_weight=&#8221;800&#8243; text_transform=&#8221;uppercase&#8221; text_space=&#8221;fontspace-111509&#8243; sub_lead=&#8221;yes&#8221; sub_reduced=&#8221;yes&#8221; uncode_shortcode_id=&#8221;171176&#8243;]Differential pressure \/ displacement flow[\/vc_custom_heading][\/vc_column][\/vc_row][vc_row unlock_row_content=&#8221;yes&#8221; row_height_percent=&#8221;0&#8243; override_padding=&#8221;yes&#8221; h_padding=&#8221;0&#8243; top_padding=&#8221;0&#8243; bottom_padding=&#8221;0&#8243; back_color=&#8221;color-lxmt&#8221; overlay_alpha=&#8221;0&#8243; equal_height=&#8221;yes&#8221; gutter_size=&#8221;0&#8243; column_width_percent=&#8221;100&#8243; shift_y=&#8221;0&#8243; z_index=&#8221;0&#8243; style=&#8221;inherited&#8221; uncode_shortcode_id=&#8221;106173&#8243; back_color_type=&#8221;uncode-palette&#8221;][vc_column column_width_percent=&#8221;100&#8243; gutter_size=&#8221;2&#8243; override_padding=&#8221;yes&#8221; column_padding=&#8221;4&#8243; style=&#8221;light&#8221; back_color=&#8221;color-lxmt&#8221; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; align_medium=&#8221;align_left_tablet&#8221; medium_width=&#8221;0&#8243; align_mobile=&#8221;align_left_mobile&#8221; mobile_width=&#8221;0&#8243; css_animation=&#8221;bottom-t-top&#8221; animation_delay=&#8221;200&#8243; width=&#8221;3\/4&#8243; uncode_shortcode_id=&#8221;116340&#8243; back_color_type=&#8221;uncode-palette&#8221;][vc_column_text uncode_shortcode_id=&#8221;180396&#8243;]Maintaining the specified differential pressure between the cleanroom, the airlocks and their surroundings is essential. The controlled displacement flow ensures that the air quality of the cleaner area is not contaminated by cross-flows when openings are made in the cleanroom.[\/vc_column_text][\/vc_column][vc_column column_width_percent=&#8221;100&#8243; position_vertical=&#8221;middle&#8221; align_horizontal=&#8221;align_center&#8221; gutter_size=&#8221;3&#8243; override_padding=&#8221;yes&#8221; column_padding=&#8221;4&#8243; overlay_alpha=&#8221;0&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_visibility=&#8221;yes&#8221; medium_width=&#8221;0&#8243; mobile_visibility=&#8221;yes&#8221; mobile_width=&#8221;0&#8243; css_animation=&#8221;bottom-t-top&#8221; animation_delay=&#8221;400&#8243; zoom_width=&#8221;0&#8243; zoom_height=&#8221;0&#8243; width=&#8221;1\/4&#8243; uncode_shortcode_id=&#8221;184491&#8243;][\/vc_column][\/vc_row][vc_row unlock_row_content=&#8221;yes&#8221; row_height_percent=&#8221;55&#8243; override_padding=&#8221;yes&#8221; h_padding=&#8221;0&#8243; top_padding=&#8221;0&#8243; bottom_padding=&#8221;0&#8243; back_color=&#8221;color-nhtu&#8221; overlay_alpha=&#8221;0&#8243; equal_height=&#8221;yes&#8221; gutter_size=&#8221;0&#8243; column_width_percent=&#8221;100&#8243; shift_y=&#8221;0&#8243; z_index=&#8221;0&#8243; style=&#8221;inherited&#8221;][vc_column column_width_percent=&#8221;100&#8243; position_vertical=&#8221;middle&#8221; align_horizontal=&#8221;align_center&#8221; gutter_size=&#8221;3&#8243; override_padding=&#8221;yes&#8221; column_padding=&#8221;4&#8243; back_color=&#8221;color-rgdb&#8221; back_image=&#8221;112942&#8243; back_position=&#8221;center center&#8221; overlay_alpha=&#8221;0&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; mobile_width=&#8221;0&#8243; css_animation=&#8221;bottom-t-top&#8221; animation_delay=&#8221;400&#8243; zoom_width=&#8221;0&#8243; zoom_height=&#8221;0&#8243; width=&#8221;1\/4&#8243; uncode_shortcode_id=&#8221;128055&#8243; back_color_type=&#8221;uncode-palette&#8221; mobile_height=&#8221;300&#8243;][\/vc_column][vc_column column_width_percent=&#8221;100&#8243; gutter_size=&#8221;2&#8243; override_padding=&#8221;yes&#8221; column_padding=&#8221;3&#8243; style=&#8221;light&#8221; back_color=&#8221;color-xsdn&#8221; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; align_medium=&#8221;align_left_tablet&#8221; medium_width=&#8221;0&#8243; align_mobile=&#8221;align_left_mobile&#8221; mobile_width=&#8221;0&#8243; css_animation=&#8221;bottom-t-top&#8221; animation_delay=&#8221;200&#8243; width=&#8221;3\/4&#8243; uncode_shortcode_id=&#8221;382031&#8243; back_color_type=&#8221;uncode-palette&#8221;][vc_custom_heading text_weight=&#8221;800&#8243; text_transform=&#8221;uppercase&#8221; text_space=&#8221;fontspace-111509&#8243; text_uppercase=&#8221;&#8221; text_align=&#8221;text-left&#8221; uncode_shortcode_id=&#8221;174040&#8243;]Differential pressure \/ displacement flow[\/vc_custom_heading][vc_column_text uncode_shortcode_id=&#8221;715773&#8243;]In the case of openings in the cleanroom to adjacent areas of a different cleanroom class, the differential pressure measurement must be replaced by a check of the flow direction.<\/p>\n<p>Testing the differential pressure and the displacement flow of air is used to monitor the capability of the cleanroom system. The specified differential pressure\/displacement flow between the innermost and the next adjacent room must be maintained up to the last environment.<\/p>\n<p>The differential pressure\/displacement flow test should be carried out after the air flow velocity or air volume flow parameters have been met. For more information, see <em>Air flow and determining the air exchange rate<\/em>.<\/p>\n<p>To avoid cross-contamination, pressure differences and displacement flows must be maintained and kept stable.[\/vc_column_text][vc_empty_space empty_h=&#8221;1&#8243;][vc_separator sep_color=&#8221;color-983180&#8243; uncode_shortcode_id=&#8221;145671&#8243; sep_color_type=&#8221;uncode-palette&#8221;][vc_empty_space empty_h=&#8221;1&#8243;][vc_column_text text_color=&#8221;color-wvjs&#8221; uncode_shortcode_id=&#8221;779940&#8243; text_color_type=&#8221;uncode-palette&#8221;]<strong>Guidelines:<\/strong><\/p>\n<ul>\n<li>SN EN ISO 14644<\/li>\n<li>VDI 2083 Sheet 3 Cleanroom technology &#8211; Measurement technology in cleanroom air<\/li>\n<li>EU GMP Annex 1<\/li>\n<\/ul>\n<p>[\/vc_column_text][vc_empty_space empty_h=&#8221;1&#8243;][vc_separator sep_color=&#8221;color-983180&#8243; uncode_shortcode_id=&#8221;107261&#8243; sep_color_type=&#8221;uncode-palette&#8221;][vc_empty_space empty_h=&#8221;1&#8243;][vc_column_text uncode_shortcode_id=&#8221;182280&#8243;]We will be happy to assist you with your questions at <strong><br \/>\n  <a href=\"mailto:aussendienst@gfps.de\">aussendienst@gfps.de<\/a><br \/>\n<\/strong>[\/vc_column_text][vc_empty_space empty_h=&#8221;1&#8243;][vc_separator sep_color=&#8221;color-983180&#8243; uncode_shortcode_id=&#8221;107261&#8243; sep_color_type=&#8221;uncode-palette&#8221;][vc_empty_space empty_h=&#8221;1&#8243;][vc_button button_color=&#8221;accent&#8221; border_width=&#8221;0&#8243; button_color_type=&#8221;uncode-palette&#8221; uncode_shortcode_id=&#8221;380636&#8243; link=&#8221;url:https%3A%2F%2Fwebserver.gfps.de%2Freinraumqualifizierung-inbetriebnahme-bestaetigung-bestehender-reinraumqualifizierungen-requalifizierung%2F|title:Cleanroom%20qualification%20%28commissioning%29%20%2F%20confirmation%20of%20existing%20cleanroom%20qualifications%20%28requalification%29|&#8221;]To the &#8220;Cleanroom qualification&#8221; overview[\/vc_button][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row unlock_row_content=&#8221;yes&#8221; row_height_percent=&#8221;60&#8243; override_padding=&#8221;yes&#8221; h_padding=&#8221;0&#8243; top_padding=&#8221;0&#8243; bottom_padding=&#8221;0&#8243; back_color=&#8221;color-nhtu&#8221; back_image=&#8221;112122&#8243; back_position=&#8221;center center&#8221; overlay_color=&#8221;color-983180&#8243; overlay_alpha=&#8221;51&#8243; equal_height=&#8221;yes&#8221; gutter_size=&#8221;0&#8243; column_width_percent=&#8221;100&#8243; shift_y=&#8221;0&#8243; z_index=&#8221;0&#8243; enable_bottom_divider=&#8221;default&#8221; bottom_divider=&#8221;gradient&#8221; [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-114275","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Differential pressure \/ displacement flow - GfPS<\/title>\n<meta name=\"description\" content=\"Maintaining the specified differential pressure between the cleanroom, the airlocks and their surroundings is essential.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.gfps.de\/en\/differential-pressure-displacement-flow\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Differential pressure \/ displacement flow - GfPS\" \/>\n<meta property=\"og:description\" content=\"Maintaining the specified differential pressure between the cleanroom, the airlocks and their surroundings is essential.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.gfps.de\/en\/differential-pressure-displacement-flow\/\" \/>\n<meta property=\"og:site_name\" content=\"GfPS\" \/>\n<meta property=\"article:modified_time\" content=\"2024-06-14T17:11:47+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.gfps.de\\\/en\\\/differential-pressure-displacement-flow\\\/\",\"url\":\"https:\\\/\\\/www.gfps.de\\\/en\\\/differential-pressure-displacement-flow\\\/\",\"name\":\"Differential pressure \\\/ displacement flow - GfPS\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.gfps.de\\\/en\\\/#website\"},\"datePublished\":\"2024-04-12T07:15:05+00:00\",\"dateModified\":\"2024-06-14T17:11:47+00:00\",\"description\":\"Maintaining the specified differential pressure between the cleanroom, the airlocks and their surroundings is essential.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.gfps.de\\\/en\\\/differential-pressure-displacement-flow\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.gfps.de\\\/en\\\/differential-pressure-displacement-flow\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.gfps.de\\\/en\\\/differential-pressure-displacement-flow\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Startseite\",\"item\":\"https:\\\/\\\/www.gfps.de\\\/en\\\/home\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Differential pressure \\\/ displacement flow\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.gfps.de\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/www.gfps.de\\\/en\\\/\",\"name\":\"GfPS\",\"description\":\"Gepr\u00fcfte Qualit\u00e4t f\u00fcr Ihre Medizinprodukte\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.gfps.de\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Differential pressure \/ displacement flow - GfPS","description":"Maintaining the specified differential pressure between the cleanroom, the airlocks and their surroundings is essential.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.gfps.de\/en\/differential-pressure-displacement-flow\/","og_locale":"en_US","og_type":"article","og_title":"Differential pressure \/ displacement flow - GfPS","og_description":"Maintaining the specified differential pressure between the cleanroom, the airlocks and their surroundings is essential.","og_url":"https:\/\/www.gfps.de\/en\/differential-pressure-displacement-flow\/","og_site_name":"GfPS","article_modified_time":"2024-06-14T17:11:47+00:00","twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"5 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.gfps.de\/en\/differential-pressure-displacement-flow\/","url":"https:\/\/www.gfps.de\/en\/differential-pressure-displacement-flow\/","name":"Differential pressure \/ displacement flow - GfPS","isPartOf":{"@id":"https:\/\/www.gfps.de\/en\/#website"},"datePublished":"2024-04-12T07:15:05+00:00","dateModified":"2024-06-14T17:11:47+00:00","description":"Maintaining the specified differential pressure between the cleanroom, the airlocks and their surroundings is essential.","breadcrumb":{"@id":"https:\/\/www.gfps.de\/en\/differential-pressure-displacement-flow\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.gfps.de\/en\/differential-pressure-displacement-flow\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.gfps.de\/en\/differential-pressure-displacement-flow\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Startseite","item":"https:\/\/www.gfps.de\/en\/home\/"},{"@type":"ListItem","position":2,"name":"Differential pressure \/ displacement flow"}]},{"@type":"WebSite","@id":"https:\/\/www.gfps.de\/en\/#website","url":"https:\/\/www.gfps.de\/en\/","name":"GfPS","description":"Gepr\u00fcfte Qualit\u00e4t f\u00fcr Ihre Medizinprodukte","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.gfps.de\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/www.gfps.de\/en\/wp-json\/wp\/v2\/pages\/114275","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gfps.de\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.gfps.de\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.gfps.de\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gfps.de\/en\/wp-json\/wp\/v2\/comments?post=114275"}],"version-history":[{"count":2,"href":"https:\/\/www.gfps.de\/en\/wp-json\/wp\/v2\/pages\/114275\/revisions"}],"predecessor-version":[{"id":114277,"href":"https:\/\/www.gfps.de\/en\/wp-json\/wp\/v2\/pages\/114275\/revisions\/114277"}],"wp:attachment":[{"href":"https:\/\/www.gfps.de\/en\/wp-json\/wp\/v2\/media?parent=114275"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}