{"product_id":"toray-tm820m-440","title":"Toray TM820M-440 7700 GPD Seawater RO Membrane | 8x40 High Area High Rejection","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003eToray TM820M-440 Seawater Reverse Osmosis Membrane Element\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe \u003cstrong\u003eToray TM820M-440\u003c\/strong\u003e is a premium high-surface-area 8\" x 40\" seawater RO membrane engineered for maximum permeate production with excellent salt rejection. With 440 ft² of active membrane area and a 28 mil feed spacer, it delivers higher flow than standard 400 ft² elements while maintaining outstanding performance in seawater and high-salinity applications.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eKey Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e TM820M-440\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 8.0\" x 40\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMembrane Area:\u003c\/strong\u003e 440 ft² (41 m²)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Salt Rejection:\u003c\/strong\u003e 99.80%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Salt Rejection:\u003c\/strong\u003e 99.50%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePermeate Flow Rate:\u003c\/strong\u003e 7,700 GPD (29.2 m³\/day)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Permeate Flow:\u003c\/strong\u003e 6,200 GPD (23.5 m³\/day)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeed Spacer:\u003c\/strong\u003e 28 mil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest Conditions:\u003c\/strong\u003e 800 psi, 77°F (25°C), 32,000 mg\/L NaCl, 8% recovery, pH 7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMembrane Type:\u003c\/strong\u003e Cross-linked fully aromatic polyamide composite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoron Rejection (typical):\u003c\/strong\u003e 95% at pH 8\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eLarge-scale seawater desalination\u003c\/li\u003e\n\u003cli\u003eHigh-salinity brackish water treatment\u003c\/li\u003e\n\u003cli\u003eIndustrial \u0026amp; municipal water purification\u003c\/li\u003e\n\u003cli\u003eOffshore platforms and marine systems\u003c\/li\u003e\n\u003cli\u003eHigh-flow commercial RO systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eFeatures \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eLarger 440 ft² active area for higher productivity\u003c\/li\u003e\n\u003cli\u003eHigh rejection for superior water quality\u003c\/li\u003e\n\u003cli\u003eOptimized 28 mil spacer for reduced fouling and higher flux\u003c\/li\u003e\n\u003cli\u003eRobust construction for long element life\u003c\/li\u003e\n\u003cli\u003eWet-tested and vacuum-packed with deoxidant\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Toray","offers":[{"title":"Default Title","offer_id":49621727805680,"sku":"TM820M-440","price":695.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/9453\/5152\/files\/TorayTM820M-440.png?v=1777307414","url":"https:\/\/knapprochicago.com\/products\/toray-tm820m-440","provider":"KnappRO","version":"1.0","type":"link"}