{"id":114317,"date":"2024-04-12T09:07:26","date_gmt":"2024-04-12T07:07:26","guid":{"rendered":"https:\/\/webserver.gfps.de\/air-flow-and-air-exchange-rate\/"},"modified":"2024-06-14T19:21:29","modified_gmt":"2024-06-14T17:21:29","slug":"air-flow-and-air-exchange-rate","status":"publish","type":"page","link":"https:\/\/www.gfps.de\/en\/air-flow-and-air-exchange-rate\/","title":{"rendered":"Air flow and air exchange rate"},"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;136293&#8243;]Air flow and air exchange rate[\/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;465642&#8243;]A measurement of the air flow velocities is required to determine the air exchange rate of a clean room. The test for uniformity of the air flow is also determined by measuring the air flow velocity.[\/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;112361&#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;163557&#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;795488&#8243;]Air flow and determination of the air exchange rate[\/vc_custom_heading][vc_column_text uncode_shortcode_id=&#8221;921777&#8243;]In cleanrooms, controlled air circulation is crucial for maintaining the cleanroom class and therefore for the quality of the products produced. An important parameter for characterizing the air quality in a cleanroom is the air exchange rate, i.e. the number of air changes per hour.<\/p>\n<p>The air exchange rate is determined by measuring the air flow. The airflow velocity is measured via supply air ducts and terminal filters.<br \/>\nGood airflow and an appropriate air change rate are crucial to minimize contamination in cleanrooms and ensure a clean working environment.<\/p>\n<p>Determining the air exchange rate is therefore an essential part of the qualification of cleanrooms. The cleanroom class and the air quality requirements can be influenced by the air exchange rate. Regular monitoring and documentation of the air exchange rate is therefore essential to ensure the quality and reliability of cleanroom processes.[\/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;142665&#8243; text_color_type=&#8221;uncode-palette&#8221;]<strong>Guidelines:<\/strong><\/p>\n<ul>\n<li>DIN EN ISO 14644-3<\/li>\n<li>VDI 2083<\/li>\n<li>EU GMP Guideline Annex 1<\/li>\n<li>ZLG documents<\/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-114317","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - 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