Compliance & Document Hub
- FDA Food Additive Status: Membrane materials comply with the U.S. Food, Drug and Cosmetic Act under Food Additive Regulation 21 CFR § 177.2550 for processing liquid food and purifying water for food manufacturing.
- Potable Water Contact: Element parts and materials in contact with potable water comply with 21 CFR § 170 to 199.
Executive Product Summary
The FilmTec™ Eco Pro-440 is an advanced high-rejection, low-energy reverse osmosis (RO) membrane element engineered by DuPont to deliver exceptional water purity while substantially reducing both operational expenditures (OPEX) and capital expenditures (CAPEX). Manufactured using state-of-the-art automated fabrication processes, this 8-inch brackish water element utilizes a highly advanced polyamide thin-film composite chemistry. The element is designed to provide optimal separation of salts from water, making it a critical component for large-scale industrial demineralization and municipal water treatment plants requiring permeate flow rates exceeding 10 gpm (2,300 L/h).
At the core of the FilmTec™ Eco Pro-440 is its maximized active surface area of 440 ft² (41 m²). This high-density active area allows facilities to generate an impressive permeate flow rate of 12,650 gallons per day (48 m³/d) under standard low-pressure operating conditions of just 150 psi (10.3 bar). By achieving high productivity at lower feed pressures, plant operators can significantly reduce the energy consumption of high-pressure pumps, directly lowering the total cost of ownership (TCO) over the lifespan of the system. Furthermore, the element incorporates a 28 mil feed spacer, which effectively balances the need for high membrane surface area with the necessity of mitigating pressure drop and fouling tendencies within the pressure vessel.
Performance-wise, the membrane delivers an outstanding stabilized salt rejection rate of 99.7% (with a minimum guaranteed rejection of 99.4%). Beyond standard sodium chloride removal, the FilmTec™ Eco Pro-440 is specifically engineered to provide excellent rejection of challenging constituents, including silica, boron, nitrate, total organic carbon (TOC), and ammonium. This ensures extremely high permeate quality tailored for stringent industrial boiler feedwater and municipal purification standards.
Durability and cleanability are paramount in industrial reverse osmosis operations, and this element features a highly robust construction with a fiberglass outer wrap and a U-Cup brine seal. It supports an exceptionally wide short-term cleaning pH range of 1 to 13, enabling operators to deploy aggressive Clean-In-Place (CIP) protocols to effectively remove stubborn mineral scale and organic fouling. The element is capable of withstanding maximum operating pressures up to 600 psi (41 bar) and maximum feed flows of 75 gpm (17 m³/h), with a continuous operational pH tolerance of 2 to 11. Careful adherence to operational limits, such as maintaining a free chlorine tolerance below 0.1 ppm and restricting maximum continuous temperatures to 95°F (35°C) when operating above pH 10, will ensure the structural integrity and long-term performance of the thin-film composite layer.
Applications & Industry Use-Cases
- Industrial Utility Water Processing: Utilized in manufacturing facilities to generate high-purity utility water, leveraging the 99.7% stabilized salt rejection to prevent scaling and corrosion in plant equipment.
- Boiler Feedwater Treatment: Deployed in power generation and heavy industry to remove silica, TOC, and hardness from boiler makeup water, protecting turbines and boiler tubes from detrimental scale accumulation.
- Cooling Tower Make-Up Water: Integrated into HVAC and industrial cooling systems to significantly reduce dissolved solids and biological precursors, increasing cycles of concentration and conserving water.
- Food and Beverage Manufacturing: Fully compliant with FDA 21 CFR § 177.2550 and § 170 to 199 regulations, making it an essential purification barrier for processing liquid foods and generating process water used directly in consumable goods.
- Municipal Water Purification: Applied in large-scale municipal desalination and surface water treatment plants to effectively remove nitrates, ammonium, and dissolved salts, ensuring safe and high-quality potable water distribution.
- Industrial Demineralization Arrays: Acts as a primary reverse osmosis stage preceding mixed-bed ion exchange or electrodeionization (EDI) systems, drastically reducing the ionic load and extending the operational lifespan of downstream polishing resins.
Cross-Compatibility & System Integration
The FilmTec™ Eco Pro-440 membrane element is engineered to standard 8-inch industry sizing conventions, ensuring seamless integration into existing industrial reverse osmosis frameworks. With an exact outer diameter of 7.9 inches (201 mm) and a length of 40.0 inches (1,016 mm), this element functions as a direct drop-in replacement for standard 8-inch brackish water pressure vessels. The element is designed for multi-element configurations, supporting a maximum pressure drop of 50 psi (3.5 bar) across a minimum 4-element pressure vessel array.
To facilitate immediate and secure installation, each FilmTec™ Eco Pro-440 element is shipped with the necessary coupling hardware. The package includes an integrated U-Cup brine seal and one interconnector coupler (part number 313198) equipped with two 3-912 EPR O-rings (part number 151705). This precision-engineered connection system ensures a leak-free seal between sequential elements in the pressure vessel, eliminating the risk of permeate contamination from the high-pressure feed stream.
When integrating this low-energy element into existing plants, operators should evaluate their high-pressure pump variable frequency drives (VFDs) and system hydraulics. Because the FilmTec™ Eco Pro-440 achieves nominal flow (12,650 gpd) at a low test pressure of 150 psi, facilities upgrading from older, higher-pressure membranes can typically reduce their pump energy consumption. System integrators should verify that pretreatment regimens effectively maintain a Silt Density Index (SDI) below 5 and ensure complete dechlorination (free chlorine < 0.1 ppm) prior to the membrane array to protect the polyamide thin-film composite.
Frequently Asked Questions
Q: What is the permeate flow rate of the FilmTec™ Eco Pro-440?
Under standard test conditions of 2,000 ppm NaCl at 150 psi and 77°F, this element delivers a permeate flow rate of 12,650 gallons per day (48 m³/d).
Q: Is the FilmTec™ Eco Pro-440 approved for food and beverage applications?
Yes, when used unmodified and according to good manufacturing practices, the membrane complies with FDA Food Additive Regulation 21 CFR § 177.2550 for liquid food processing. Furthermore, element parts in contact with potable water comply with 21 CFR § 170 to 199.
Q: What is the maximum operating pressure for this reverse osmosis element?
The maximum operating pressure for the FilmTec™ Eco Pro-440 is 600 psi (41 bar), accommodating robust industrial demineralization and utility water applications.
Q: What are the cleaning pH limits for the Eco Pro-440 membrane?
This membrane offers exceptional chemical durability, supporting a wide short-term cleaning pH range of 1 to 13 for up to 30 minutes, allowing for highly effective Clean-In-Place (CIP) procedures.
Q: What are the physical dimensions of the element?
The element features an industry-standard 8-inch configuration, with an exact length of 40.0 inches (1,016 mm), an outer diameter of 7.9 inches (201 mm), and an inner permeate tube diameter of 1.125 inches (29 mm).
Q: Where can I buy the FilmTec™ Eco Pro-440 in bulk?
You can source this product in bulk or project quantities directly from Growthbet LTD. Please contact our procurement team at sales@growthbet.net for DDP pricing and global delivery options.
Source This Product From Growthbet LTD
Growthbet LTD is a UK-registered global industrial procurement company specializing in sourcing and delivering technical components under a full-liability DDP (Delivered Duty Paid) model. When you source through Growthbet, the company assumes complete responsibility for supplier verification, quality control, international freight, customs clearance, and last-mile delivery to your facility — with a single, transparent invoice and no hidden costs.
- Bulk & Project Pricing: Competitive DDP landed-cost quotations for any volume, from single units to full-container orders.
- 48-Hour Quotation Response: Submit your specifications and quantity, and receive a formal sourcing brief within 48 hours.
- Global Delivery: DDP shipping to the GCC, United Kingdom, Europe, United States, Australia, and worldwide.
- Verified Supply Chain: Every supplier is factory-audited and certification-verified before any order is placed.
📧 Request a Quote: Email sales@growthbet.net with the product name, quantity, and delivery destination. 📞 Call: +44 7897470885.