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.
- Potable Water Contact Compliance: Element parts and materials in contact with potable water are fully compliant to 21 CFR § 170 to 199.
Executive Product Summary
The DuPont FilmTec™ Eco Pro-400 is an advanced Polyamide Thin-Film Composite reverse osmosis membrane element explicitly engineered for heavy industrial water demineralization and complex municipal water purification systems. Serving as a foundational technology for facilities demanding high-purity permeate streams combined with rigorous control over operational expenditures (OPEX), this element delivers an exceptional permeate flow rate of 11,500 gallons per day (43.5 cubic meters per day). It achieves a stabilized salt rejection rate of 99.7 percent and a strict minimum salt rejection threshold of 99.4 percent under standard 150 psi test conditions. This high salt-rejection profile at fundamentally lower operating pressures allows plant engineers to drastically reduce energy consumption and pressure-pump overhead without compromising final water purity standards.
Fouling resistance is a paramount operational metric for reverse osmosis membranes deployed in challenging, high-solids feedwaters. The FilmTec™ Eco Pro-400 mitigates particulate accumulation and biological fouling through its sophisticated architectural integration of a 34-mil low differential pressure (LDP) feed spacer. This advanced hydrodynamic design minimizes the internal pressure drop across the element, capping it at a maximum of 15 psi (1.0 bar) per individual element or 50 psi (3.5 bar) per multi-element pressure vessel configuration. By maintaining this lower differential pressure, the element actively reduces the required frequency of Clean-In-Place (CIP) interventions, thereby extending continuous operational uptime and tangibly reducing the total cost of ownership (TCO) over the membrane lifespan.
The unit exhibits robust chemical tolerance, designed specifically for harsh operating environments that necessitate aggressive chemical maintenance. The membrane supports continuous operation across a comprehensive pH range of 2 to 11, and is capable of withstanding short-term chemical cleaning cycles (up to 30 minutes) at extreme pH levels ranging from 1 to 13. This wide chemical latitude enables operators to effectively strip inorganic scales, organic fouling, and dense biofilm matrices using potent acidic or alkaline cleaning agents. The maximum operating pressure is rated at 600 psi (41 bar), with a maximum continuous operating temperature of 113°F (45°C). Plant managers must ensure strict adherence to feedwater limitations, maintaining a Silt Density Index (SDI) of 5 or lower, while totally neutralizing residual free chlorine to levels below 0.1 ppm to prevent irreversible oxidation damage to the polyamide layer.
Applications & Industry Use-Cases
- Industrial Water Demineralization: Utilized in heavy industrial processing facilities to strip dissolved solids from raw feedwater. The 99.7 percent stabilized salt rejection guarantees that process water meets the rigorous low-conductivity specifications required for sensitive electronics and heavy manufacturing operations.
- Boiler Feedwater Processing: Critical for high-pressure boiler systems within power generation plants. The membrane delivers excellent rejection of silica, boron, and total organic carbon (TOC), preventing aggressive scaling on heat exchanger surfaces and significantly improving long-term thermal efficiency.
- Cooling Tower Make-Up Water: Integrated into primary cooling tower configurations to effectively manage cycles of concentration. The robust 34-mil LDP spacer allows the system to process challenging waters and reduce blowdown volumes while mitigating particulate fouling.
- Food & Beverage Manufacturing: Fully certified and compliant with USA FDA regulations under 21 CFR § 177.2550 for liquid food processing. This element safely produces the ultra-pure water necessary for critical ingredient formulation, beverage bottling, and sanitary CIP plant operations.
- Municipal Water Purification: Deployed in large-scale municipal drinking water infrastructure to ensure stable, potable water output. The high-capacity 11,500 gpd flow rate per element allows municipal operators to scale plant production volume efficiently within existing footprint constraints.
- Industrial Water Reuse: Applied in advanced wastewater reclamation and zero-liquid discharge (ZLD) systems. The broad pH tolerance (1-13) for short-term cleaning allows operators to rigorously wash and recover membrane elements exposed to high organic or biological loads typical of reclaimed effluents.
Cross-Compatibility & System Integration
The DuPont FilmTec™ Eco Pro-400 is dimensionally engineered to integrate directly into standard 8-inch internal diameter pressure vessels utilized across the global water treatment sector. The element features industry-standard dimensions, including an overall length of 40.0 inches (1,016 mm) and an outer diameter of 7.9 inches (201 mm). It is constructed with a durable fiberglass outer wrap and features an integrated U-cup brine seal to ensure a secure, bypass-free fit within the pressure housing. This standardized design acts as a seamless drop-in replacement for existing 8-inch RO configurations, allowing facilities to upgrade legacy arrays to low-energy, high-rejection technology without incurring massive capital expenditures for new vessel hardware.
For hydraulic system integration, the element is built with a standard 1.125-inch (29 mm) inner diameter permeate tube. To facilitate multi-element daisy-chaining within a single pressure vessel array, DuPont provides one specialized interconnecting coupler (part number 313198) with every individual element. To guarantee an absolute leak-proof hydraulic seal between adjacent permeate tubes under extreme operational pressures, each coupler is pre-equipped with two heavy-duty 3-912 EPR O-rings (part number 151705). Design engineers must ensure that system configurations do not exceed the stated maximum pressure drop of 50 psi (3.5 bar) across a minimum array of four elements.
Frequently Asked Questions
Q: What is the permeate flow rate and salt rejection of the FilmTec Eco Pro-400?
The DuPont FilmTec™ Eco Pro-400 delivers an excellent permeate flow rate of 11,500 gallons per day (43.5 m³/d) with a stabilized salt rejection rate of 99.7% and a minimum salt rejection threshold of 99.4%. These baseline specifications are established under standard test conditions of 2,000 ppm NaCl at 150 psi.
Q: Is the DuPont FilmTec Eco Pro-400 compliant with FDA regulations?
Yes, this element complies fully with the U.S. Food, Drug and Cosmetic Act under Food Additive Regulation 21 CFR § 177.2550. It is legally approved for use in processing liquid food and purifying water utilized in food manufacturing applications.
Q: What are the maximum operating pressure and temperature limits?
The maximum operating pressure for this reverse osmosis element is 600 psi (41 bar). The absolute maximum continuous operating temperature is 113°F (45°C), though operations exceeding a pH of 10 must restrict maximum temperature to 95°F (35°C).
Q: Can the FilmTec Eco Pro-400 tolerate chlorine exposure?
No, like most advanced polyamide thin-film composite membranes, this element possesses a strict free chlorine tolerance of < 0.1 ppm. Facilities must utilize adequate pretreatment protocols, such as dechlorination or activated carbon filtration, to prevent irreversible oxidation damage.
Q: What are the exact dimensions of this membrane element?
The element is designed for standard 8-inch vessels, measuring exactly 40.0 inches (1,016 mm) in length and 7.9 inches (201 mm) in outer diameter. The internal permeate tube features a 1.125-inch (29 mm) inner diameter.
Q: Where can I buy the DuPont FilmTec Eco Pro-400 in bulk?
Procurement teams can source this membrane in bulk or project quantities directly through Growthbet LTD. Please email sales@growthbet.net with your project requirements to receive a formal DDP landed-cost quotation.
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.