{"id":10744,"date":"2025-06-12T14:07:42","date_gmt":"2025-06-12T12:07:42","guid":{"rendered":"https:\/\/www.elfifiltration.com\/?post_type=product&#038;p=10744"},"modified":"2025-06-12T14:50:55","modified_gmt":"2025-06-12T12:50:55","slug":"espa-energy-saving-polyamide-copia","status":"publish","type":"product","link":"https:\/\/www.elfifiltration.com\/en\/products\/membranes\/water-treatment\/espa-energy-saving-polyamide-copia\/","title":{"rendered":"SWC (Sea Water Composite)"},"content":{"rendered":"\t\t<div data-elementor-type=\"product-post\" data-elementor-id=\"10744\" class=\"elementor elementor-10744 elementor-10743\" data-elementor-post-type=\"product\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f1a7740 e-flex e-con-boxed e-con e-parent\" data-id=\"f1a7740\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-a8a9cce e-con-full e-flex e-con e-child\" data-id=\"a8a9cce\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9716782 elementor-widget elementor-widget-text-editor\" data-id=\"9716782\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.23.0 - 05-08-2024 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<h3>No one does seawater desalination better<\/h3>\n<p data-start=\"697\" data-end=\"1070\">As the world is facing freshwater scarcity, Hydranautics brings a range of <strong>SWC RO membranes<\/strong> to meet the demands of <strong>desalination industry<\/strong>. SWC membranes have improved the productivity and salt rejection for more than two decades while <strong>reducing their environmental impact<\/strong>. SWC membranes come in a range of innovative formulations depending on the level of seawater salinity required. SWC membranes come in a range of innovative formulations suitable for varying degrees of seawater salinity.  <\/p>\n<p data-start=\"1072\" data-end=\"1511\">Each offers the <strong>highest productivity and salt rejection rates<\/strong> in the industry combined with the optimized flow, low fouling and low energy consumption. This exceptional performance and consistency creates demand for <strong>SWC membranes in seawater desalination and high TDS industrial waste water treatment applications, including conventional and hybrid designs.<\/strong> <\/p>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-fdd3648 e-flex e-con-boxed e-con e-parent\" data-id=\"fdd3648\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-27b2fde e-con-full e-flex e-con e-child\" data-id=\"27b2fde\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d49b183 elementor-widget elementor-widget-text-editor\" data-id=\"d49b183\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<h3 style=\"text-align: center;\">SOLUTIONS<\/h3>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-15e11e2 elementor-widget elementor-widget-ld_tabs\" data-id=\"15e11e2\" data-element_type=\"widget\" data-widget_type=\"ld_tabs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"lqd-tabs lqd-tabs-style-9 d-flex  flex-column 15e11e2 lqd-nav-underline-\" data-tabs-options=\"{&quot;trigger&quot;:&quot;click&quot;}\">\n\n\t\t\t<nav class=\"lqd-tabs-nav-wrap mb-6\">\n\t\t\t\t<ul class=\"reset-ul lqd-tabs-nav d-flex align-items-center flex-wrap  pos-rel\" role=\"tablist\"><li data-controls=\"lqd-tab-2291\" role=\"presentation\" class=\"elementor-repeater-item-1acca6d active\"><a class=\"d-block\" href=\"#lqd-tab-2291\" data-bs-target=\"#lqd-tab-2291\" aria-expanded=\"false\" aria-controls=\"lqd-tab-2291\" role=\"tab\" data-toggle=\"tab\" data-bs-toggle=\"tab\"><span class=\"lqd-tabs-nav-txt\">SWC4<\/span><\/a><\/li><li data-controls=\"lqd-tab-2292\" role=\"presentation\" class=\"elementor-repeater-item-168c878\"><a class=\"d-block\" href=\"#lqd-tab-2292\" data-bs-target=\"#lqd-tab-2292\" aria-expanded=\"false\" aria-controls=\"lqd-tab-2292\" role=\"tab\" data-toggle=\"tab\" data-bs-toggle=\"tab\"><span class=\"lqd-tabs-nav-txt\">SWC5<\/span><\/a><\/li><li data-controls=\"lqd-tab-2293\" role=\"presentation\" class=\"elementor-repeater-item-285cdf7\"><a class=\"d-block\" href=\"#lqd-tab-2293\" data-bs-target=\"#lqd-tab-2293\" aria-expanded=\"false\" aria-controls=\"lqd-tab-2293\" role=\"tab\" data-toggle=\"tab\" data-bs-toggle=\"tab\"><span class=\"lqd-tabs-nav-txt\">SWC6<\/span><\/a><\/li><\/ul>\t\t\t\t\t\t\t<\/nav>\n\n\t\t\t<div class=\"lqd-tabs-content pos-rel\"><div id=\"lqd-tab-2291\" role=\"tabpanel\" class=\"lqd-tabs-pane fade active in\"><p>SWC4 are the highest salt rejecting membranes used to treat varying levels of seawater salinities and produce low TDS permeate. SWC4 is popularly used in the treatment of sea and highly brackish waters. SWC4 membranes are available in two different types of variants, <strong>LD<\/strong> and <strong>MAX<\/strong>.  <\/p><ul><li><strong>Low differential<\/strong> <strong>LD Technology\u00ae<\/strong> models are offered to <strong>minimize colloidal fouling<\/strong> when used with conventional pre-treatment equipment. They offer consistently low feed pressures and highest duration between two successive cleanings. <\/li><li>The <strong>MAX<\/strong> models have a <strong>440 ft2<\/strong> (40.9 m2) active membrane surface area. They provide <strong>excellent performance with high TDS and boron removal from warm waters.<\/strong> <\/li><\/ul><table class=\"dcf-table dcf-table-responsive dcf-table-bordered dcf-table-striped dcf-w-100%\"><thead><tr><th scope=\"col\">Product Name<\/th><th scope=\"col\">Dimensions<\/th><th scope=\"col\">Download<\/th><\/tr><\/thead><tbody><tr><th scope=\"row\">SWC4-LD<\/th><td data-label=\"Dimensioni\">8\u2033 diameter &amp; 40\u2033 lenght<\/td><td data-label=\"Download\"><a href=\"https:\/\/www.elfifiltration.com\/schede\/membrane\/SWC4-LD.pdf\" target=\"_blank\" rel=\"noopener\"><strong>Technical Sheet<\/strong><\/a><\/td><\/tr><tr><th scope=\"row\">SWC4 MAX<\/th><td data-label=\"Dimensioni\">8\u2033 diameter &amp; 40\u2033 lenght<\/td><td data-label=\"Download\"><a href=\"https:\/\/www.elfifiltration.com\/schede\/membrane\/SWC4-MAX.pdf\" target=\"_blank\" rel=\"noopener\"><strong>Technical Sheet<\/strong><\/a><\/td><\/tr><\/tbody><\/table> <\/div><div id=\"lqd-tab-2292\" role=\"tabpanel\" class=\"lqd-tabs-pane fade\"><p><strong>SWC5<\/strong> membranes provide optimum salt rejection and permeate flows. They are chosen when <strong>lower permeate TDS<\/strong> and lower feed pressures are needed. SWC5 membranes offer <strong>highest energy efficiency<\/strong> at lowest costs and are used in <strong>mega desalination plants<\/strong>.  <\/p><p>SWC5 membranes are available in two different types of variants, <strong>LD<\/strong> and <strong>MAX.<\/strong><\/p><ul><li>Low differential <strong>LD Technology\u00ae<\/strong> models are offered to minimize colloidal fouling when used with conventional pre-treatment equipment. They offer consistently low feed pressures and highest duration between two successive cleanings.<\/li><li>The <strong>MAX<\/strong> models have a 440 ft2 (40.9 m2) active membrane surface area. They provide <strong>excellent performance with high TDS and boron removal from warm waters.<\/strong><\/li><\/ul><table class=\"dcf-table dcf-table-responsive dcf-table-bordered dcf-table-striped dcf-w-100%\"><thead><tr><th scope=\"col\">Product Name<\/th><th scope=\"col\">Dimensions<\/th><th scope=\"col\">Download<\/th><\/tr><\/thead><tbody><tr><th scope=\"row\">SWC5-LD-4040<\/th><td data-label=\"Dimensioni\">4\u2033 diameter &amp; 40\u2033 lenght<\/td><td data-label=\"Download\"><a href=\"https:\/\/www.elfifiltration.com\/schede\/membrane\/SWC5-LD-4040.pdf\" target=\"_blank\" rel=\"noopener\"><strong>Technical Sheet<\/strong><\/a><\/td><\/tr><tr><th scope=\"row\">SWC5-LD<\/th><td data-label=\"Dimensioni\">8\u2033 diameter &amp; 40\u2033 lenght<\/td><td data-label=\"Download\"><a href=\"https:\/\/www.elfifiltration.com\/schede\/membrane\/SWC5-LD.pdf\" target=\"_blank\" rel=\"noopener\"><strong>Technical Sheet<\/strong><\/a><\/td><\/tr><tr><th scope=\"row\">SWC5 MAX<\/th><td data-label=\"Dimensioni\">8\u2033 diameter &amp; 40\u2033 lenght<\/td><td data-label=\"Download\"><a href=\"https:\/\/www.elfifiltration.com\/schede\/membrane\/SWC5-MAX.pdf\" target=\"_blank\" rel=\"noopener\"><strong>Technical Sheet<\/strong><\/a><\/td><\/tr><\/tbody><\/table> <\/div><div id=\"lqd-tab-2293\" role=\"tabpanel\" class=\"lqd-tabs-pane fade\"><p data-start=\"3664\" data-end=\"3799\"><strong>SWC6<\/strong> are the lowest feed pressure membranes offering low energy consumption. They are <strong>preferred when the seawater feed temperature is lower<\/strong> which requires high feed pressures. <strong>SWC6<\/strong> membranes result in <strong>low energy consumption<\/strong> and <strong>lower treatment costs<\/strong>.  <\/p><p>SWC6 membranes are available in two different types of variants, <strong>LD<\/strong> and <strong>MAX<\/strong>.<\/p><ul><li>Low differential <strong>LD Technology\u00ae<\/strong> models are offered to minimize colloidal fouling when used with conventional pre-treatment equipment. They offer consistently low feed pressures and highest duration between two successive cleanings. <\/li><li>The <strong>MAX<\/strong> models have a 440 ft2 (40.9 m2) active membrane surface area. They provide excellent performance with high TDS and boron removal from warm waters.<\/li><\/ul><p> <\/p><table class=\"dcf-table dcf-table-responsive dcf-table-bordered dcf-table-striped dcf-w-100%\"><thead><tr><th scope=\"col\">Product Name<\/th><th scope=\"col\">Dimensions<\/th><th scope=\"col\">Download<\/th><\/tr><\/thead><tbody><tr><th scope=\"row\">SWC6-LD<\/th><td data-label=\"Dimensioni\">8\u2033 diameter &amp; 40\u2033 lenght<\/td><td data-label=\"Download\"><a href=\"https:\/\/www.elfifiltration.com\/schede\/membrane\/SWC6-LD.pdf\" target=\"_blank\" rel=\"noopener\"><strong>Technical Sheet<\/strong><\/a><\/td><\/tr><tr><th scope=\"row\">SWC6 MAX<\/th><td data-label=\"Dimensioni\">8\u2033 diameter &amp; 40\u2033 lenght<\/td><td data-label=\"Download\"><a href=\"https:\/\/www.elfifiltration.com\/schede\/membrane\/SWC6-MAX.pdf\" target=\"_blank\" rel=\"noopener\"><strong>Technical Sheet<\/strong><\/a><\/td><\/tr><\/tbody><\/table> <\/div><\/div>\n\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>As the world is facing freshwater scarcity, Hydranautics brings a range of <strong>SWC RO membranes<\/strong> to meet the demands of <strong>desalination industry<\/strong>. SWC membranes have improved the productivity and salt rejection for more than two decades while reducing their environmental impact. SWC membranes come in a range of innovative formulations depending on the level of seawater salinity required. <\/p>\n","protected":false},"featured_media":10746,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_cat":[211,214],"product_tag":[],"class_list":{"0":"post-10744","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-membranes","7":"product_cat-water-treatment","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>SWC (Sea Water Composite) | Elfi Filtration<\/title>\n<meta name=\"description\" content=\"SWC membranes have improved the productivity and salt rejection for more than two decades while reducing their environmental impact.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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