NF90-400/34i FilmTec™ DOW / DuPont Nanofiltration 10,000 GPD at 70 PSI 8 x 40 inch Membranes
- Description
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NF90-400/34i FilmTec™ DOW / DuPont Nanofiltration 10,000 GPD at 70 PSI 8 x 40 inch Membranes
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🔬 FilmTec NF90-400/34i Nanofiltration Membrane
The FilmTec NF90-400/34i is a high-performance 8-inch nanofiltration element engineered for large-scale municipal and industrial water treatment. It is specifically designed to deliver high-quality permeate while selectively removing contaminants such as salts, nitrates, iron, and organic compounds like pesticides and herbicides. Utilizing advanced polyamide thin-film composite technology, this membrane provides a high level of productivity at low operating pressures, making it an energy-efficient solution for water softening and demineralization.
A standout feature of the NF90-400/34i is the inclusion of iLEC™ interlocking end caps, which significantly reduce the risk of O-ring leaks that can compromise water quality. The element features a 34-mil feed spacer that provides enhanced fouling protection and improves the efficiency of cleaning cycles. With an active membrane area of 400 square feet, it delivers a substantial permeate flow rate of 10,000 gallons per day, ensuring reliable and cost-effective performance for utility managers and system operators.
| SPECIFICATION | DETAILS |
| Model Number | NF90-400/34i |
| Manufacturer | FilmTec (DuPont) |
| Membrane Type | Polyamide Thin-Film Composite |
| Element Dimensions | 8.0" Diameter x 40.0" Length |
| Permeate Flow Rate | 10,000 GPD (38 m³/d) |
| Stabilized Salt Rejection | 98.7% (Minimum) |
| Typical NaCl Rejection | 90% – 96% |
| Active Surface Area | 400 ft² (37 m²) |
| Feed Spacer Thickness | 34 mil |
| Test Pressure | 70 psi (4.8 bar) |
| Max Operating Pressure | 600 psig (41 bar) |
| Max Operating Temp | 113°F (45°C) |
| pH Range (Continuous) | 2 – 11 |
| pH Range (Cleaning) | 1 – 13 |
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