Compliance & Document Hub
- USA FDA Food Additive Status: Compliant with the U.S. Food, Drug and Cosmetic Act under Food Additive Regulation 21 CFR § 177.2550 for use in processing liquid food and purifying water for food manufacturing.
- Element parts and materials in direct contact with potable water are fully compliant to 21 CFR § 170 to 199.
Executive Product Summary
The DuPont FilmTec™ Eco Platinum-440i Element represents the pinnacle of modern brackish water reverse osmosis (RO) membrane technology, engineered specifically to address demanding capital expenditure (CAPEX) and operational expenditure (OPEX) challenges within industrial water treatment frameworks. At its core, this membrane utilizes a high-performance Polyamide Thin-Film Composite structure, achieving an exceptional balance of high salt rejection and low-energy consumption. With a massive active area of 440 square feet (41 square meters) supported by an advanced 28-mil low differential pressure (LDP) feed spacer, the module delivers an impressive permeate flow rate of 12,650 gallons per day (48 cubic meters per day) under standard test conditions of 150 psi. This optimal hydraulic design not only maximizes water throughput per element but also mitigates fouling pathways, significantly prolonging operational life in controlled pre-treatment environments.
A major engineering advantage of the FilmTec™ Eco Platinum-440i is its advanced rejection profile. Beyond its remarkable 99.7% stabilized salt rejection (99.4% minimum), the membrane is explicitly designed to deliver excellent rejection rates for specific, hard-to-remove contaminants including silica, boron, nitrate, total organic carbon (TOC), and ammonium. This capability is highly critical for specialized processes such as high-pressure boiler feedwater generation, where trace silica can cause catastrophic turbine scaling, and semiconductor manufacturing, where ultra-pure water is mandatory. Furthermore, the element demonstrates unparalleled robustness during chemical cleaning protocols. By tolerating an industry-leading wide pH range of 1 to 13 during short-term (30-minute) clean-in-place (CIP) operations, facility engineers can utilize more aggressive, highly effective cleaning chemistries to reverse organic or inorganic fouling, thereby restoring optimal flux and extending the asset's total lifecycle.
Operational integrity is further fortified through the integration of DuPont’s proprietary iLEC™ (Interlocking Endcaps) technology. Traditional membrane arrays rely on sliding O-ring couplers that are highly susceptible to rolling, pinching, or wear, frequently resulting in bypass leaks that compromise final permeate quality. The iLEC™ system physically locks the elements together, effectively eliminating the need for standalone interconnectors and drastically reducing the risk of O-ring failure. This translates to substantial OPEX savings by minimizing unexpected downtime and ensuring consistent, high-purity output. The element operates safely within a wide operational envelope, withstanding maximum feed flows up to 75 gpm (17 m³/h) and operating pressures up to 600 psi (41 bar). Operators must note that continuous maximum operating temperature is rated at 113°F (45°C), though this is reduced to 95°F (35°C) during continuous operation above a pH of 10. Pretreatment must also guarantee a free chlorine exposure of strictly less than 0.1 ppm to prevent irreversible oxidation damage to the polyamide layer.
Applications & Industry Use-Cases
- Industrial Water Demineralization: Utilized extensively in bulk demineralization plants due to its 99.7% stabilized salt rejection, significantly lowering the ionic load on downstream mixed-bed ion exchange resins or continuous electrodeionization (CEDI) systems.
- High-Pressure Boiler Feedwater: Critical for power generation facilities, as the membrane's excellent rejection of silica and boron prevents detrimental scaling on boiler tubes and steam turbine blades, thereby maintaining high thermal efficiency.
- Municipal Water Purification: Ideal for large-scale municipal drinking water projects requiring high throughput, leveraging the massive 12,650 gpd permeate flow rate and 440 sq ft active area to reduce the total number of required pressure vessels.
- Food and Beverage Processing: Fully compliant with USA FDA 21 CFR § 177.2550 and § 170 to 199, enabling its direct use in purifying water for liquid food processing and ingredient formulation under stringent sanitary conditions.
- Cooling Tower Make-Up Water: Employs the high nitrate, ammonium, and TOC rejection capabilities to produce high-quality make-up water, thereby reducing blowdown frequency and minimizing chemical treatment requirements in evaporative cooling systems.
- Industrial Utility Water: Delivers superior operational expenditure (OPEX) savings for general utility water production by operating efficiently at a low standard test pressure of 150 psi, substantially decreasing the electrical load on high-pressure feed pumps.
Cross-Compatibility & System Integration
The DuPont FilmTec™ Eco Platinum-440i is precision-engineered to integrate seamlessly into standard 8-inch internal diameter industrial pressure vessels. With an outer diameter of 7.9 inches (201 mm), it provides the requisite clearance for brine seal installation (utilizing the included U-Cup Brine Seal) and hydraulic loading. The element's advanced physical architecture includes a durable fiberglass outer wrap designed to withstand high radial expansion forces under operating pressures up to a maximum of 600 psi (41 bar).
A defining feature of this element's system integration profile is the inclusion of DuPont’s iLEC™ interlocking endcaps. When loading pressure vessels, these proprietary endcaps mechanically lock adjacent elements together, creating a rigid, leak-resistant structural column. This mechanism eliminates the need for external interconnectors or loose O-ring couplers between elements. While an individual element with the iLEC endcaps measures 40.5 inches (1,029 mm) in overall length, the net operational length when connected in a multi-element pressure vessel configuration perfectly conforms to the industry-standard 40.0 inches (1,016 mm).
For plant upgrades, the Eco Platinum-440i serves as an ideal drop-in replacement or retrofit for existing 8-inch brackish water reverse osmosis membrane systems. Plant managers must simply verify that the existing pressure vessels can accommodate the standard 50 psi (3.5 bar) maximum pressure drop across a multi-element vessel (minimum four elements) and that the central permeate tube connections align with the 1.125-inch (29 mm) internal diameter standard. Proper handling and loading protocols are critical to ensure that the interlocking mechanism is engaged securely without damaging the endcap structure.
Frequently Asked Questions
Q: What is the permeate flow rate of the DuPont FilmTec Eco Platinum-440i?
The element delivers a high permeate flow rate of 12,650 gpd (48 m³/d) based on standard test conditions of 2,000 ppm NaCl, 150 psi, and 15% recovery.
Q: Is the FilmTec Eco Platinum-440i FDA compliant for food processing?
Yes. When used unmodified and according to good manufacturing practices, the membrane complies with USA FDA 21 CFR § 177.2550 for use in processing liquid food and purifying water for food manufacturing.
Q: What is the maximum operating pressure and temperature for the Eco Platinum-440i?
The element can withstand a maximum operating pressure of 600 psi (41 bar) and a maximum operating temperature of 113°F (45°C). However, for continuous operation above pH 10, the maximum temperature is restricted to 95°F (35°C).
Q: Does the Eco Platinum-440i support wide pH cleaning?
Yes. The polyamide thin-film composite membrane provides exceptional chemical tolerance, allowing for short-term cleaning (30 minutes) across a very wide pH range of 1 to 13.
Q: What are the dimensions of the FilmTec Eco Platinum-440i?
The membrane fits standard 8-inch housings with an outer diameter of 7.9 inches (201 mm). Individual elements measure 40.5 inches (1,029 mm) in length, but the net connected length is the industry-standard 40.0 inches (1,016 mm).
Q: Where can I buy the DuPont FilmTec Eco Platinum-440i in bulk?
You can procure this element globally with full Delivered Duty Paid (DDP) logistics through Growthbet LTD. For volume pricing and lead times, email your requirements directly to sales@growthbet.net.
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.