ID: 2631 (4040) | ID: 2632 (8040)<\/b><\/p>\nProduct Overview<\/b><\/h3>\n
The Industrial RO Brine Seal<\/b> is a critical “U-Cup” or “V-Lip” gasket engineered to eliminate internal bypass flow within a reverse osmosis pressure vessel. Mounted on the exterior feed-end of the membrane, this seal acts as a physical barrier that forces 100% of the feed water through the spiral-wound membrane leaves. Without a high-quality brine seal, water will simply flow around the outside of the element, leading to immediate loss of filtration efficiency and high permeate TDS.<\/p>\n Universal Filtration Support:<\/b> Mandatory for all 4″ and 8″ spiral-wound membrane elements (Brackish, Seawater, and Wastewater).<\/p>\n<\/li>\n Multi-Element Systems:<\/b> A dedicated seal is required for every membrane<\/b> installed in a multi-element pressure vessel.<\/p>\n<\/li>\n Maintenance & Repair:<\/b> Essential replacement item if the existing seal has become flattened, brittle, or “gummy” due to chemical cleaning (CIP) cycles.<\/p>\n<\/li>\n<\/ul>\n Pressure-Activated Sealing:<\/b> The specialized “V-Lip” geometry uses incoming water pressure to expand the seal against the housing wall, creating a tighter bond as system pressure increases.<\/p>\n<\/li>\n Premium EPDM Construction:<\/b> Molded from high-tensile, food-grade EPDM rubber that offers superior resistance to stretching, tearing, and chemical degradation.<\/p>\n<\/li>\n Low Friction Profile:<\/b> Designed with a smooth exterior surface to allow for easier membrane loading into FRP or Stainless Steel housings.<\/p>\n<\/li>\n Cross-Brand Compatibility:<\/b> Precision-fit for all major industrial brands, including Toray, DuPont (FilmTec), Hydranautics, and Vontron.<\/b><\/p>\n<\/li>\n<\/ul>\n The “V” Direction Rule:<\/b> To ensure a proper seal, the open end of the “V” or “U” shape must face the incoming water flow (Upstream)<\/b>. Installing the seal backward will cause it to collapse, allowing unfiltered water to bypass the membrane. Always lubricate the seal with Food-Grade Silicone or Glycerin<\/b> to prevent “rolling” during membrane insertion.<\/p>\n","protected":false},"excerpt":{"rendered":" RO Membrane Brine Seals (4040 & 8040) High-Performance Flow-Direction & Bypass Prevention Seals ID: 2631 (4040) | ID: 2632 (8040) Product Overview The Industrial RO Brine Seal is a critical “U-Cup” or “V-Lip” gasket engineered to eliminate internal bypass flow within a reverse osmosis pressure vessel. Mounted on the exterior feed-end of the membrane, this […]<\/p>\n","protected":false},"featured_media":2641,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[436],"product_tag":[],"class_list":["post-2642","product","type-product","status-publish","has-post-thumbnail","product_cat-industrial-large-scale-reverse-osmosis-membranes-800012000gpd","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/tqwater.co.za\/index.php?rest_route=\/wp\/v2\/product\/2642","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tqwater.co.za\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/tqwater.co.za\/index.php?rest_route=\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/tqwater.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2642"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tqwater.co.za\/index.php?rest_route=\/wp\/v2\/media\/2641"}],"wp:attachment":[{"href":"https:\/\/tqwater.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2642"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/tqwater.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=2642"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/tqwater.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=2642"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/tqwater.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=2642"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\nEngineering Applications<\/b><\/h3>\n
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\nKey Technical Benefits<\/b><\/h3>\n
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\nTechnical Specifications<\/b><\/h3>\n
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\n Feature<\/strong><\/td>\n 4040 Brine Seal (ID: 2631)<\/strong><\/td>\n 8040 Brine Seal (ID: 2632)<\/strong><\/td>\n<\/tr>\n<\/thead>\n\n \n Material<\/b><\/span><\/td>\n Industrial Food-Grade EPDM<\/span><\/td>\n Industrial Food-Grade EPDM<\/span><\/td>\n<\/tr>\n \n Seal Type<\/b><\/span><\/td>\n Pressure-Reactive V-Lip<\/span><\/td>\n Heavy-Duty U-Cup \/ V-Lip<\/span><\/td>\n<\/tr>\n \n Inside Diameter<\/b><\/span><\/td>\n ~82 mm<\/b> (Standard 4″ Core)<\/span><\/td>\n ~177 mm<\/b> (Standard 8″ Core)<\/span><\/td>\n<\/tr>\n \n Compatibility<\/b><\/span><\/td>\n All 4040 \/ 4021 Membranes<\/span><\/td>\n All 8040 Industrial Membranes<\/span><\/td>\n<\/tr>\n \n Max Temp<\/b><\/span><\/td>\n 80\u00b0C<\/b><\/span><\/td>\n 80\u00b0C<\/b><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n\u26a0\ufe0f Professional Installation Tip<\/b><\/h3>\n