{"id":3248,"date":"2025-01-07T09:03:40","date_gmt":"2025-01-07T08:03:40","guid":{"rendered":"https:\/\/sab-bremen.de\/filter\/double-filter\/f311\/"},"modified":"2026-01-08T14:53:32","modified_gmt":"2026-01-08T13:53:32","slug":"f311","status":"publish","type":"page","link":"https:\/\/sab-bremen.de\/en\/filter\/double-filter\/f311\/","title":{"rendered":"F311"},"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\/2025\/01\/f301-1.jpg\" class=\"attachment-full size-full\" alt=\"Schuenemann Filter F311, freigestellt vor verschwommenem Hintergrund\" loading=\"lazy\" srcset=\"https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/01\/f301-1.jpg 2560w, https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/01\/f301-1-300x84.jpg 300w, https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/01\/f301-1-1024x288.jpg 1024w, https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/01\/f301-1-450x127.jpg 450w, https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/01\/f301-1-600x169.jpg 600w\" 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>Duplex Filter F311<\/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\"><div class=\"et_pb_with_border et_pb_row et_pb_row_1\">\n<div class=\"et_pb_column et_pb_column_4_4 et_pb_column_1 et_pb_css_mix_blend_mode_passthrough et-last-child\">\n<div class=\"et_pb_module et_pb_text et_pb_text_1 et_pb_text_align_left et_pb_bg_layout_light\">\n<div class=\"et_pb_text_inner\">\n<p>The Duplex Filter F311 is a multi-purpose filter for liquid media. It is characterized by continuous operation during the cleaning phase as well as a high degree of filtration down to very low microns. As a special feature, the maintenance and strainer access can be optimized by choosing different filter cover solutions.<br \/>\nThe degree of contamination can be optionally monitored with various differential pressure indicators. Further options, for example magnetic inserts or the sacrificial anode enable an application-specific customization.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\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>Technical description<\/h2>\n<\/div><\/div><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><div class=\"et_pb_with_border et_pb_module et_pb_text et_pb_text_3 et_pb_text_align_left et_pb_bg_layout_light\">\n<div class=\"et_pb_text_inner\">\n<p><span>The Duplex Filter consists of two single filters which are connected via a flanged switch-over device (A300) and can be operated alternately or in parallel. The filter size DN65 has an integrated switch-over device. The standard filter design consists of a cast housing and a cover which is fixed either with a clam bloc, lever lock or with stud bolts and nuts. Venting devices in the covers and draining devices in the housing are included in the scope of supply.<br \/>\nThe filter is equipped with a basket or ring-type strainer. The medium to be filtered flows through the strainer from the inside to the outside. The strainer is made out of a perforated plate which can be covered optionally with mesh in different mesh sizes. A rotary vane is used to switch between the filters which ensures an easy changeover even for the larger filter sizes. In case the filter is installed on the suction side, the rotary vane shall be equipped with a lock. <\/span>Further options and customer specific solutions are available upon request.<\/p>\n<\/div>\n<\/div>\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=\"591\" data-rsh=\"591\" data-rsBigImg=\"https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/01\/F311_3-1.jpg\" href=\"https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/01\/F311_3-1.jpg\"><span data-alt=\"Schuenemann Filter F311, freigestellt, von rechts\"><\/span><\/a><\/div><div class=\"rsContent\"><a class=\"rsImg\" data-rsw=\"591\" data-rsh=\"591\" data-rsBigImg=\"https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/01\/F311_2-1.jpg\" href=\"https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/01\/F311_2-1.jpg\"><span data-alt=\"Schuenemann Filter F311, freigestellt vor verschwommenem Hintergrund\"><\/span><\/a><\/div><div class=\"rsContent\"><a class=\"rsImg\" data-rsw=\"591\" data-rsh=\"591\" data-rsBigImg=\"https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/01\/F311_1.jpg\" href=\"https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/01\/F311_1.jpg\"><span data-alt=\"Schuenemann Filter F311, freigestellt, Frontansicht\"><\/span><\/a><\/div><\/div><img decoding=\"async\" src=\"https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/01\/F311_3-1.jpg\" width=\"591\" height=\"591\" alt=\"Schuenemann Filter F311, freigestellt, von rechts\" 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;:591,&quot;autoScaleSliderHeight&quot;:591}'><\/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-48\" class=\"tablepress tablepress-id-48 sabTable\">\n<tbody class=\"row-striping\">\n<tr class=\"row-1\">\n\t<td class=\"column-1\">In- \/ outlet<\/td><td class=\"column-2\">DN25 \u2013 DN200 (DIN, ANSI)<\/td>\n<\/tr>\n<tr class=\"row-2\">\n\t<td class=\"column-1\">Operating medium<\/td><td class=\"column-2\">Fluids<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">Housing Material<\/td><td class=\"column-2\">GG-25<br \/>\nGGG50 (DN 80-150)<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">Design pressure<\/td><td class=\"column-2\">6 bar, 10 bar, 16 bar<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">Volume flow<\/td><td class=\"column-2\">max. 610 m3\/h<\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">Strainer insert<\/td><td class=\"column-2\">Basket strainer<br \/>\nRing-type strainer<\/td>\n<\/tr>\n<tr class=\"row-7\">\n\t<td class=\"column-1\">Grade of filtration<\/td><td class=\"column-2\">80 \u2013 1000 \u00b5m (fabric \/ perforated plate)<br \/>\n\u2265 1 mm (perforated plate)<br \/>\n10 \u2013 60 \u00b5m (upon request)<\/td>\n<\/tr>\n<tr class=\"row-8\">\n\t<td class=\"column-1\">Options<\/td><td class=\"column-2\">Differential pressure indicator<br \/>\nSacrificial anode<br \/>\nMagnetic insert<br \/>\nFilter support<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-48 from cache -->\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>F311<\/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 us_custom_492179a4 icon_atright\" target=\"_blank\" href=\"\/wp-content\/uploads\/2025\/02\/Product-Datasheet_F311_EN.pdf\"><span class=\"w-btn-label\">DATASHEET F311<\/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\" src=\"https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/02\/kmenq5dc-8.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Foto von D\u00f6rthe Nowak\" \/><div class='Mail_Phone'><p><b>D\u00f6rthe Nowak<\/b><br><i class='fal fa-phone-alt'><\/i>&nbsp;<a href='TEL:+49 421-55909-75'>+49 421-55909-75<\/a><br><i class='fal fa-envelope'><\/i>&nbsp;<a href='mailto:nowak@sab-bremen.de'>nowak@sab-bremen.de<\/a><\/p><\/div><\/div><div class='contact-card'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/02\/kmenq5dc-7.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Foto von Jan Dora\" \/><div class='Mail_Phone'><p><b>Jan Dora<\/b><br><i class='fal fa-phone-alt'><\/i>&nbsp;<a href='TEL:+49 421-55909-53'>+49 421-55909-53<\/a><br><i class='fal fa-envelope'><\/i>&nbsp;<a href='mailto:dora@sab-bremen.de'>dora@sab-bremen.de<\/a><\/p><\/div><\/div><div class='contact-card'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/sab-bremen.de\/wp-content\/uploads\/2025\/02\/kmenq5dc-4.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Foto von Nina Neumann\" \/><div class='Mail_Phone'><p><b>Nina Neumann<\/b><br><i class='fal fa-phone-alt'><\/i>&nbsp;<a href='TEL:+49 421-55909-32'>+49 421-55909-32<\/a><br><i class='fal fa-envelope'><\/i>&nbsp;<a href='mailto:neumann@sab-bremen.de'>neumann@sab-bremen.de<\/a><\/p><\/div><\/div><\/div>[vc_raw_html]JTNDZGl2JTIwY2xhc3MlM0QlMjJjb250YWN0LWJ1dHRvbiUyMiUzRSUwQSUyMCUyMCUyMCUyMCUzQ2ElMjBocmVmJTNEJTIyJTIzQW5zcHJlY2hfS29udCUyMiUzRSUzQ2ltZyUyMHNyYyUzRCUyMmh0dHBzJTNBJTJGJTJGc2FiLWJyZW1lbi5wbGlldHNjaC1kZXYuZGUlMkZ3cC1jb250ZW50JTJGdXBsb2FkcyUyRjIwMjUlMkYwMSUyRm1haWwuc3ZnJTIyJTIwc3R5bGUlM0QlMjJib3JkZXItcmFkaXVzJTNBMHB4JTIwJTIxaW1wb3J0YW50JTNCJTIyJTNFJTNDJTJGYSUzRSUwQSUzQyUyRmRpdiUzRQ==[\/vc_raw_html]<\/div><\/div><\/div><\/div><\/div><\/div><\/section><!-- Row Backgrounds --><div class=\"upb_grad\" data-grad=\"background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #FFFFFF), color-stop(60%, #FFFFFF), color-stop(60%, #ECF6F6), color-stop(100%, 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><\/div>\n\n","protected":false},"excerpt":{"rendered":"HomePagesDuplex Filter F311 The Duplex Filter F311 is a multi-purpose filter for liquid media. It is characterized by continuous operation during the cleaning phase as well as a high degree of filtration down to very low microns. As a special feature, the maintenance and strainer access can be optimized by choosing different filter cover solutions....","protected":false},"author":1,"featured_media":0,"parent":3232,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-3248","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Filters | Duplex Filter F311<\/title>\n<meta name=\"description\" content=\"Continuous operation during the cleaning phase: The multi-purpose Duplex Filter F311 for liquid media.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sab-bremen.de\/en\/filter\/double-filter\/f311\/\" \/>\n<meta property=\"og:locale\" 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