{"product_id":"espa1-ld-4040-hydranautics-nitto-2-450-gpd-at-150-psi-4-x-40-inch-99-4-rejection-membranes","title":"ESPA1-LD-4040 Hydranautics Nitto 2,450 GPD at 150 PSI 4 x 40 inch 99.4% Rejection Membranes","description":"\u003cp\u003e\u003c!-- x-tinymce\/html --\u003e\u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\u003cstrong\u003eHydranautics ESPA1-LD-4040 Extra Low Energy Brackish Water RO Membrane (2,450 GPD)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe Hydranautics ESPA1-LD-4040 (manufactured by a Nitto Group Company) is a commercial-grade, energy-saving polyamide (ESPA) reverse osmosis membrane engineered for high-performance water treatment. Utilizing advanced composite polyamide polymer technology, this 4-inch by 40-inch spiral-wound element is specifically designed for the purification of low TDS (Total Dissolved Solids) tap and brackish water sources. It incorporates Hydranautics' proprietary Low Differential (LD) Technology, which features a specialized 34-mil feed spacer. This advanced spacer design minimizes colloidal fouling when used with conventional pre-treatment equipment, optimizing internal flow dynamics and significantly extending the intervals between chemical cleanings for continuous-duty systems.\u003c\/p\u003e\n\u003cp\u003eDesigned to maximize system productivity while minimizing operational costs, the ESPA1-LD-4040 delivers a highly efficient permeate flow rate of 2,450 GPD (9.27 m³\/d) with a nominal salt rejection of 99.4%. Operating effectively at an exceptionally low test pressure of just 150 PSI, this membrane drastically reduces the energy required by high-pressure booster pumps, providing significant capital and operational expenditure savings. Built to withstand demanding commercial environments, the robust element safely accommodates a maximum applied pressure of 600 PSI, a maximum feed flow of 16 GPM, and continuous liquid temperatures up to 113°F (45°C). By combining industry-leading energy efficiency with uncompromised water purity, it is widely utilized for municipal drinking water production, light industrial process water, and high-volume commercial purification systems\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eSPECIFICATION\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eDETAILS\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eESPA1-LD-4040\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eHydranautics (Nitto)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eElement Type\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eEnergy Saving Polyamide RO Membrane\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eMembrane Technology\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eComposite Polyamide\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eActive Membrane Area\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e80 ft² (7.43 m²)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003ePermeate Flow Rate\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e2,450 GPD (9.27 m³\/d)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eNominal Salt Rejection\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e99.4%\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eMinimum Salt Rejection\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e99.2%\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eTest Pressure\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e150 PSI (1.05 MPa)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eMax Applied Pressure\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e600 PSI (4.14 MPa)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eMax Feed Flow Rate\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e16 GPM (3.6 m³\/h)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eFeed Spacer Thickness\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e34 mil\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eMax Operating Temp\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e113°F (45°C)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Hydranautics","offers":[{"title":"Default Title","offer_id":40020976664674,"sku":"ESPA1-LD-4040","price":285.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2555\/0478\/files\/HydranauticsNittoMembranes.png?v=1783206687","url":"https:\/\/hydrocomponents.us\/products\/espa1-ld-4040-hydranautics-nitto-2-450-gpd-at-150-psi-4-x-40-inch-99-4-rejection-membranes","provider":"Hydrocomponents \u0026 Technologies Inc.","version":"1.0","type":"link"}