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  4. DuPont FilmTec Eco Platinum-440 Brackish Water Reverse Osmosis Element
DuPont

DuPont FilmTec Eco Platinum-440 Brackish Water Reverse Osmosis Element

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SKUGB-DUP-ECO-PLATINUM-440Mfr Part #Eco Platinum-440BrandDuPont
Price on request
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Permeate Flow Rate: 12,650 GPD (48 m³/d) Stabilized Salt Rejection: 99.7% (Minimum 99.4%) Active Area: 440 ft² (41 m²) Dimensions: 40.0″ Length x 7.9″ Outer Diameter Membrane Type: Polyamide Thin-Film Composite

Compliance & Document Hub

  • Subject to drinking water application restrictions in certain countries; operators must verify application status before integration.
  • Designed in accordance with general handling, preservation, and storage guidelines (Form No. 45-D03716-en).

Executive Product Summary

The DuPont FilmTec™ Eco Platinum-440 is a state-of-the-art brackish water reverse osmosis (RO) membrane element engineered to confront complex operational and capital expenditure challenges in large-scale industrial water demineralization. Utilizing advanced Polyamide Thin-Film Composite technology, this 8-inch element offers an industry-leading balance between extreme salt rejection and highly energy-efficient operation. Operating at an incredibly low standard test pressure of 150 psi (10.3 bar), the element consistently produces a massive permeate flow of 12,650 gallons per day (48 m³/d), drastically reducing facility energy consumption and driving down the total cost of ownership (TCO) without sacrificing permeate quality.

A critical engineering advantage of the Eco Platinum-440 lies in its high active membrane area of 440 square feet combined with a precisely designed 28-mil Low Differential Pressure (LDP) feed spacer. This improved hydraulic balance directly reduces the potential for localized fouling and scaling, resulting in a maximum pressure drop of only 15 psi per element. The membrane delivers a stabilized salt rejection rate of 99.7% (with a strict minimum of 99.4%) and excels in rejecting difficult contaminants including silica, boron, nitrate, total organic carbon (TOC), and ammonium. This robust rejection profile makes it exceptionally suited for controlled pre-treatment environments requiring ultra-pure water yields.

Durability and prolonged lifespan are central to the structural integrity of the FilmTec Eco Platinum-440. It is fully capable of withstanding maximum operating pressures up to 600 psi (41 bar) and maximum feed flow rates of 75 gpm. In addition, the membrane demonstrates extraordinary chemical robustness, accommodating continuous operation within a pH range of 2 to 11, and supporting aggressive short-term chemical cleaning cycles (up to 30 minutes) at a wide pH range of 1 to 13. While highly resistant to varied pH levels and silt (accommodating a max SDI of 5), the element must be protected from oxidation damage, mandating a free chlorine tolerance strictly below 0.1 ppm. When effectively maintained, this element ensures maximum continuous uptime and superior efficiency for modern water treatment plants.

Applications & Industry Use-Cases

  • Boiler Feedwater Demineralization: Engineered for power generation and heavy industrial boilers, the element provides exceptional silica, TOC, and boron rejection, which is crucial for preventing scaling on high-pressure boiler tubes and extending turbine life.
  • Cooling Tower Water Make-Up: With its high membrane active area of 440 ft² and robust 1-13 pH short-term cleaning range, this RO element effectively processes variable feedwaters, preventing mineral deposits in cooling infrastructures and reducing blowdown frequency.
  • Industrial Utility Water Sourcing: The extremely low operating pressure (150 psi) allows large-scale manufacturing facilities to produce process utility water while significantly reducing pump energy requirements, directly optimizing overall OPEX.
  • Municipal Water Purification: Producing up to 12,650 GPD per element, municipal treatment plants can leverage this model to increase facility throughput and reliably meet strict public water purification standards (subject to localized drinking water regulations).
  • Petrochemical & Chemical Processing: By maintaining a stabilized salt rejection of 99.7%, the membrane provides the high-purity solvent base required for sensitive chemical synthesis, handling up to 600 psi of operational pressure in demanding environments.
  • Heavy Manufacturing Wastewater Recovery: The 28-mil Low Differential Pressure (LDP) spacer design mitigates particulate fouling, allowing plants to efficiently treat and recycle factory water containing up to a Silt Density Index (SDI) of 5.

Cross-Compatibility & System Integration

The FilmTec Eco Platinum-440 is built to standard industrial dimensions, making it an ideal drop-in replacement or upgrade for existing reverse osmosis infrastructure. With an outer diameter of 7.9 inches (201 mm) and a total length of 40.0 inches (1,016 mm), the element perfectly fits into standard 8-inch nominal pressure vessels. The element features a 1.125-inch inner diameter permeate tube and utilizes a standard U-cup brine seal configuration, ensuring high structural integrity and preventing bypass within the vessel.

For seamless integration, each membrane element includes a genuine DuPont FilmTec interconnector coupler (part number 313198). This coupler assembly comes pre-fitted with two highly durable 3-912 EPR (Ethylene Propylene Rubber) O-rings (part number 151705), which maintain a watertight seal under high-pressure conditions up to 600 psi. When loading the pressure vessels, system engineers should adhere to standard industry practices, noting that the maximum allowable pressure drop across a multi-element pressure vessel (minimum of 4 elements) is 50 psi (3.5 bar).

Because it shares the standard 8-inch footprint, facility operators can quickly retrofit existing high-energy systems with the Eco Platinum-440 to immediately realize the benefits of its low-pressure 150 psi operational threshold. Buyers must verify compatibility with their system's feed flow limits, ensuring the system does not exceed the maximum feed flow of 75 gpm per vessel array.

Frequently Asked Questions

Q: What is the permeate flow rate of the FilmTec Eco Platinum-440?

The element produces a permeate flow rate of 12,650 gallons per day (48 m³/d), tested under standard conditions of 2,000 ppm NaCl at 150 psi and 77°F (25°C).

Q: What is the maximum operating pressure for this model?

The maximum operating pressure for this thin-film composite membrane is 600 psi (41 bar), with a maximum continuous operating temperature of 113°F (45°C).

Q: Can the FilmTec Eco Platinum-440 handle chlorine exposure?

No, the polyamide thin-film composite membrane is not resistant to oxidation. Free chlorine tolerance must remain strictly below 0.1 ppm at all times to prevent irreversible oxidation damage.

Q: What are the dimensions of the FilmTec Eco Platinum-440?

The element measures 40.0 inches (1,016 mm) in length and 7.9 inches (201 mm) in outer diameter, designed to fit standard 8-inch industrial pressure vessels.

Q: What is the recommended cleaning pH range?

For short-term cleaning cycles (maximum of 30 minutes), the membrane can withstand a wide pH range of 1 to 13. For continuous daily operation, the permissible pH range is 2 to 11.

Q: Where can I buy the FilmTec Eco Platinum-440 in bulk?

You can source this product in bulk or project quantities directly from Growthbet LTD. Email sales@growthbet.net for exact DDP pricing and lead times to your facility.

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.

Key Features

  • Dimension A (Length): 40.0 inches (1,016 mm)
  • Dimension B (Outer Diameter): 7.9 inches (201 mm)
  • Dimension C (Inner Diameter): 1.125 inches ID (29 mm)
  • Membrane Type: Polyamide Thin-Film Composite
  • Active Area: 440 ft² (41 m²)

Procurement Reference

MOQ1 each
Pack / UOMeach
Mfr Part #Eco Platinum-440
BrandDuPont

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