{"id":3142,"date":"2024-12-13T07:24:04","date_gmt":"2024-12-13T06:24:04","guid":{"rendered":"http:\/\/sab-bremen.de\/filter\/automatic-filters\/f451\/"},"modified":"2026-01-08T14:28:04","modified_gmt":"2026-01-08T13:28:04","slug":"f451","status":"publish","type":"page","link":"https:\/\/sab-bremen.de\/en\/filter\/automatic-filters\/f451\/","title":{"rendered":"F451"},"content":{"rendered":"<section class=\"l-section wpb_row height_auto width_full parallax_fixed\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_grid cols_1 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_bottom type_default stacking_default\" style=\"--columns-gap:0rem;\"><div class=\"wpb_column vc_column_container headerText\"><div class=\"vc_column-inner\"><div class=\"w-image align_none\"><div class=\"w-image-h\"><img decoding=\"async\" width=\"2560\" height=\"720\" src=\"https:\/\/sab-bremen.de\/wp-content\/uploads\/2024\/11\/Head_F451-scaled-1.jpg\" class=\"attachment-full size-full\" alt=\"Schuenemann Filter F451 freigestellt vor verschwommenem Hintergrund\" loading=\"lazy\" srcset=\"https:\/\/sab-bremen.de\/wp-content\/uploads\/2024\/11\/Head_F451-scaled-1.jpg 2560w, https:\/\/sab-bremen.de\/wp-content\/uploads\/2024\/11\/Head_F451-scaled-1-300x84.jpg 300w, https:\/\/sab-bremen.de\/wp-content\/uploads\/2024\/11\/Head_F451-scaled-1-1024x288.jpg 1024w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/div><\/div><\/div><\/div><\/div><\/div><\/section><!-- Row Backgrounds --><div class=\"upb_color\" data-bg-override=\"0\" data-bg-color=\"#FFFFFF\" data-fadeout=\"\" data-fadeout-percentage=\"30\" data-parallax-content=\"parallax_content_value\" data-parallax-content-sense=\"30\" data-row-effect-mobile-disable=\"true\" data-img-parallax-mobile-disable=\"true\" data-rtl=\"false\"  data-custom-vc-row=\"\"  data-vc=\"8.7.2\"  data-is_old_vc=\"\"  data-theme-support=\"\"   data-overlay=\"false\" data-overlay-color=\"\" data-overlay-pattern=\"\" data-overlay-pattern-opacity=\"\" data-overlay-pattern-size=\"\"    ><\/div><section class=\"l-section wpb_row us_custom_d2e00dc6 height_medium\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_grid cols_1 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_top type_default stacking_default\"><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><nav class=\"g-breadcrumbs us_custom_53b04f7d separator_icon align_none\" itemscope itemtype=\"http:\/\/schema.org\/BreadcrumbList\"><div class=\"g-breadcrumbs-item\" itemscope itemprop=\"itemListElement\" itemtype=\"http:\/\/schema.org\/ListItem\"><a itemprop=\"item\" href=\"https:\/\/sab-bremen.de\/en\/\"><span itemprop=\"name\">Home<\/span><\/a><meta itemprop=\"position\" content=\"1\"\/><\/div><div class=\"g-breadcrumbs-separator\"><i class=\"far fa-angle-right\"><\/i><\/div><div class=\"g-breadcrumbs-item\">Pages<\/div><\/nav><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row us_custom_cdf14ffd noPaddingTop height_medium\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_grid cols_1 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_top type_default stacking_default\"><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"g-cols wpb_row via_grid cols_1 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_top type_default stacking_default\" style=\"--columns-gap:3rem;\"><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_text_column us_custom_8f74e794 has_text_color\"><div class=\"wpb_wrapper\"><h1>Automatic Filter F451<\/h1>\n<\/div><\/div><\/div><\/div><\/div><div class=\"g-cols wpb_row via_grid cols_1 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_top type_default stacking_default\" style=\"--columns-gap:3rem;\"><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>The self-cleaning Automatic Filter F451 is pneumatically operated and used for the separation of solids in various different media like seawater, river water or process water. The Filter ensures reliable and continuous filtration in a variety of applications like cooling water cycles or water treatment plants. The filter can operate at very low pressures of only \u2265 0,7 bar and is characterized by an unmatched low pressure loss, a compact design and near maintenance-free operation. Due to the standardized design and the use of cast housings the F451 sets a new benchmark when it comes to technical and economic efficiency.<\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><\/div><\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row us_custom_c70c97eb produktTextBlock height_medium\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_grid cols_1 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_top type_default stacking_default\"><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><h2>Setting a new benchmark<\/h2>\n<\/div><\/div><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>Reliable filtration by using the Bernoulli principle<\/p>\n<\/div><\/div><div class=\"g-cols wpb_row via_grid cols_2 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_top type_default stacking_default\" style=\"--columns-gap:3rem;\"><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"w-slider style_none fit_scaledown nav_dots count_3\"><div class=\"w-slider-h\" aria-hidden=\"true\"><div class=\"royalSlider\"><div class=\"rsContent\"><a class=\"rsImg\" data-rsw=\"630\" data-rsh=\"630\" data-rsBigImg=\"https:\/\/sab-bremen.de\/wp-content\/uploads\/2024\/12\/Filter_Automatikfilter_F451_Bild-1-630.jpg\" href=\"https:\/\/sab-bremen.de\/wp-content\/uploads\/2024\/12\/Filter_Automatikfilter_F451_Bild-1-630.jpg\"><span data-alt=\"Schuenemann Filter F451 freigestellt, ganze Ansicht\"><\/span><\/a><\/div><div class=\"rsContent\"><a class=\"rsImg\" data-rsw=\"630\" data-rsh=\"630\" data-rsBigImg=\"https:\/\/sab-bremen.de\/wp-content\/uploads\/2024\/11\/Filter_Automatikfilter_F451_Bild-2-630.jpg\" href=\"https:\/\/sab-bremen.de\/wp-content\/uploads\/2024\/11\/Filter_Automatikfilter_F451_Bild-2-630.jpg\"><span data-alt=\"Schuenemann Filter F451 freigestellt, ganze Ansicht\"><\/span><\/a><\/div><div class=\"rsContent\"><a class=\"rsImg\" data-rsw=\"630\" data-rsh=\"630\" data-rsBigImg=\"https:\/\/sab-bremen.de\/wp-content\/uploads\/2024\/11\/Filter_Automatikfilter_F451_Bild-4-630-km.jpg\" href=\"https:\/\/sab-bremen.de\/wp-content\/uploads\/2024\/11\/Filter_Automatikfilter_F451_Bild-4-630-km.jpg\"><span data-alt=\"Schuenemann Filter F451 freigestellt, einzelne Komponenten\"><\/span><\/a><\/div><\/div><img decoding=\"async\" src=\"https:\/\/sab-bremen.de\/wp-content\/uploads\/2024\/12\/Filter_Automatikfilter_F451_Bild-1-630.jpg\" width=\"630\" height=\"630\" alt=\"Schuenemann Filter F451 freigestellt, ganze Ansicht\" loading=\"lazy\"><\/div><div class=\"w-slider-json\" onclick='return {&quot;autoScaleSlider&quot;:true,&quot;addActiveClass&quot;:true,&quot;loop&quot;:true,&quot;fadeInLoadedSlide&quot;:false,&quot;slidesSpacing&quot;:0,&quot;imageScalePadding&quot;:0,&quot;numImagesToPreload&quot;:2,&quot;arrowsNav&quot;:true,&quot;arrowsNavAutoHide&quot;:false,&quot;transitionType&quot;:&quot;move&quot;,&quot;transitionSpeed&quot;:250,&quot;block&quot;:{&quot;moveEffect&quot;:&quot;none&quot;,&quot;speed&quot;:300},&quot;thumbs&quot;:{&quot;fitInViewport&quot;:false,&quot;firstMargin&quot;:false,&quot;spacing&quot;:4},&quot;controlNavigation&quot;:&quot;bullets&quot;,&quot;fullscreen&quot;:{&quot;enabled&quot;:true},&quot;autoScaleSliderWidth&quot;:630,&quot;autoScaleSliderHeight&quot;:630}'><\/div><\/div><\/div><\/div><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\">\n<table id=\"tablepress-38\" class=\"tablepress tablepress-id-38 sabTable\">\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-1\">\n\t<td class=\"column-1\">In- \/ outlet<\/td><td class=\"column-2\">DN50 \u2013 DN300 (DIN, ANSI)<\/td>\n<\/tr>\n<tr class=\"row-2\">\n\t<td class=\"column-1\">Housing Material<\/td><td class=\"column-2\">Cast iron<br \/>\nStainless steel<br \/>\nSuper austenitic stainless steel<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">Design pressure<\/td><td class=\"column-2\">10 bar<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">Volume flow<\/td><td class=\"column-2\">3,5 to 1300 m3\/h<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">Strainer insert<\/td><td class=\"column-2\">Slot wedge wire strainer<br \/>\nBasket strainer<\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">Grade of filtration<\/td><td class=\"column-2\">\u2265 100 \u00b5m (slot wedge wire)<br \/>\n\u2265 1 mm (basket)<\/td>\n<\/tr>\n<tr class=\"row-7\">\n\t<td class=\"column-1\">Design code and guidelines<\/td><td class=\"column-2\">AD2000\/ EN13445<br \/>\nASME VIII Div.1<br \/>\nPED\/ EAC<br \/>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-38 from cache -->\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row produktTextBlock height_medium\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_grid cols_1 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_top type_default stacking_default\"><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><h3>Optimized design<\/h3>\n<\/div><\/div><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>The new F451 automatic filter series utilizes standardized cast housings and impresses with a significantly more compact design. Although the F451 is standardized, it can be easily adapted to specific application requirements. The F451 covers a broad range of materials like austenitic stainless steel (1.4581 \/ 316SS \/ SA-351), super austenitic stainless steel (1.4557 \/ SA-351) and ductile cast iron (GGG-40). All F451 filters can be designed according to PED, EN13445 or ASME VIII Div.1.<\/p>\n<\/div><\/div><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><h3>Grade of filtration<\/h3>\n<\/div><\/div><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>The F451 ensures the safe protection of our customer\u2019s applications with a consistently high filtration quality down to 100 \u03bcm. The proven Bernoulli technology warrants continuous and effective filtration even at low operating pressures starting from only 0.7 bar.<\/p>\n<\/div><\/div><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><h3>Delivery time<\/h3>\n<\/div><\/div><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>Due to the streamlined and standardized design all sizes and materials are available from stock within short delivery times.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row us_custom_c70c97eb Filterphasen height_medium\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_grid cols_1 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_top type_default stacking_default\"><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"g-cols wpb_row us_custom_4de3ce74 via_grid cols_1 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_top type_default stacking_default\" style=\"--columns-gap:3rem;\"><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><h2 class=\"w-text\"><span class=\"w-text-h\"><span class=\"w-text-value\">Filtration cycle (Bernoulli prinziple)<\/span><\/span><\/h2><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p><span>Bernoulli\u2018s principle states that an increase in the speed of a fluid occurs simultaneously with a decrease in static pressure. Georg Sch\u00fcnemann has perfected the utilization of the Bernoulli principle for automatic filters over decades. The distinguishing feature of this filter is the flushing disc, which enables an efficient and contactless cleaning. The cleaning process is completely automatic and requires no manual intervention. <\/span><\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"g-cols wpb_row via_grid cols_3 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_top type_default stacking_default\" style=\"--columns-gap:3rem;\"><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"w-image align_none\"><div class=\"w-image-h\"><img fetchpriority=\"high\" decoding=\"async\" width=\"440\" height=\"600\" src=\"https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/07\/Bernoulli_1_EN-1-440x600.jpg\" class=\"attachment-us_600_600 size-us_600_600\" alt=\"Bernoulli F451\" loading=\"eager\" srcset=\"https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/07\/Bernoulli_1_EN-1-440x600.jpg 440w, https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/07\/Bernoulli_1_EN-1-220x300.jpg 220w, https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/07\/Bernoulli_1_EN-1-330x450.jpg 330w, https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/07\/Bernoulli_1_EN-1.jpg 652w, https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/07\/Bernoulli_1_EN-1-147x200.jpg 147w, https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/07\/Bernoulli_1_EN-1-293x400.jpg 293w\" sizes=\"(max-width: 440px) 100vw, 440px\" \/><\/div><\/div><div class=\"wpb_text_column us_custom_59e15a4d\"><div class=\"wpb_wrapper\"><p><strong>FILTRATION<\/strong><\/p>\n<ol>\n<li><span>During normal filtration, particles accumulate from top to bottom on the inside of the strainer.<\/span><\/li>\n<li><span>Cleaning begins automatically according to a timed cycle, or after a high differential pressure signal.<\/span><\/li>\n<\/ol>\n<\/div><\/div><\/div><\/div><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"w-image align_none\"><div class=\"w-image-h\"><img decoding=\"async\" width=\"440\" height=\"600\" src=\"https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/07\/Bernoulli_2_EN-1-440x600.jpg\" class=\"attachment-us_600_600 size-us_600_600\" alt=\"\" loading=\"eager\" srcset=\"https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/07\/Bernoulli_2_EN-1-440x600.jpg 440w, https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/07\/Bernoulli_2_EN-1-220x300.jpg 220w, https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/07\/Bernoulli_2_EN-1-330x450.jpg 330w, https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/07\/Bernoulli_2_EN-1.jpg 652w, https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/07\/Bernoulli_2_EN-1-147x200.jpg 147w, https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/07\/Bernoulli_2_EN-1-293x400.jpg 293w\" sizes=\"(max-width: 440px) 100vw, 440px\" \/><\/div><\/div><div class=\"wpb_text_column us_custom_59e15a4d\"><div class=\"wpb_wrapper\"><p><strong><span>PRE-FLUSHING<\/span><\/strong><\/p>\n<ol start=\"3\">\n<li><span>During the pre-flushing phase, the flushing valve opens and particularly larger particles are flushed out.<\/span><\/li>\n<\/ol>\n<\/div><\/div><\/div><\/div><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"w-image align_none\"><div class=\"w-image-h\"><img decoding=\"async\" width=\"440\" height=\"600\" src=\"https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/07\/Bernoulli_3_EN-1-440x600.jpg\" class=\"attachment-us_600_600 size-us_600_600\" alt=\"Bernoulli F451\" loading=\"eager\" srcset=\"https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/07\/Bernoulli_3_EN-1-440x600.jpg 440w, https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/07\/Bernoulli_3_EN-1-220x300.jpg 220w, https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/07\/Bernoulli_3_EN-1-330x450.jpg 330w, https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/07\/Bernoulli_3_EN-1.jpg 652w, https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/07\/Bernoulli_3_EN-1-147x200.jpg 147w, https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/07\/Bernoulli_3_EN-1-293x400.jpg 293w\" sizes=\"(max-width: 440px) 100vw, 440px\" \/><\/div><\/div><div class=\"wpb_text_column us_custom_59e15a4d\"><div class=\"wpb_wrapper\"><p><strong><span>CLEANING<\/span><\/strong><\/p>\n<ol start=\"4\">\n<li><span>The flow velocity increases locally around the disc within the gap between the flushing disc and the strainer. Simultaneously the static pressure is reduced in accordance with the Bernoulli Principle and the direction of the flow is reversed which releases the particles from the surface of the strainer basket.<\/span><\/li>\n<li><span>The released particles are flushed out from the filter via the flushing outlet. Finally, the flushing valve is closed.<\/span><\/li>\n<li><span>The filtration will not be interrupted during the entire cleaning cycle.<\/span><\/li>\n<\/ol>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row height_medium\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_grid cols_1 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_top type_default stacking_default\"><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_text_column us_custom_1b84a947 headerBreadcrumb has_text_color\"><div class=\"wpb_wrapper\"><p>F451<\/p>\n<\/div><\/div><\/div><\/div><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"g-cols wpb_row via_grid cols_2 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_top type_default stacking_default\" style=\"--columns-gap:3rem;\"><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><h2>Downloads<\/h2>\n<\/div><\/div><div class=\"w-btn-wrapper align_left\"><a class=\"w-btn us-btn-style_4 icon_atright\" target=\"_blank\" href=\"\/wp-content\/uploads\/2024\/12\/Product_Datasheet_F451_EN.pdf\"><span class=\"w-btn-label\">BROCHURE F451<\/span><i class=\"material-icons\">picture_as_pdf<\/i><\/a><\/div><div class=\"w-btn-wrapper align_left\"><a class=\"w-btn us-btn-style_4 us_custom_492179a4 icon_atright\" target=\"_blank\" href=\"\/wp-content\/uploads\/2024\/12\/Typenblatt_F451_Englisch.jpg\"><span class=\"w-btn-label\">Datasheet F451<\/span><i class=\"material-icons\">picture_as_pdf<\/i><\/a><\/div><\/div><\/div><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row height_medium color_alternate\" id=\"Ansprech_Kont\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_grid cols_1 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_top type_default stacking_default\"><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"w-hwrapper us_custom_bf618a18 valign_top stack_on_mobiles align_justify\" style=\"--hwrapper-gap:0.4rem\"><div class=\"w-vwrapper us_custom_26c43283 align_left valign_top\" style=\"--vwrapper-gap:0.5rem\"><div class=\"wpb_text_column us_custom_836f727b has_text_color\"><div class=\"wpb_wrapper\"><h2>Do you have any further questions?<\/h2>\n<\/div><\/div><div class=\"wpb_text_column us_custom_836f727b has_text_color\"><div class=\"wpb_wrapper\"><p>Our team is always available to answer your questions quickly and easily.<\/p>\n<\/div><\/div><\/div><div class=\"w-vwrapper us_custom_0601bf3b align_left valign_top\" style=\"--vwrapper-gap:0.50rem\"><div class='contacts-container'><div class='contact-card'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" 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