Hydrocomponents & Technologies Inc.
SW30-2540 FilmTec™ DuPont / DOW Desalination Machine Watermaker Seawater Membranes
SW30-2540 FilmTec™ DuPont / DOW Desalination Machine Watermaker Seawater Membranes
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SW30-2540 FilmTec™ DOW / DuPont Desalination Machine Watermaker Seawater Membranes
DuPont FilmTec SW30-2540 Seawater RO Membrane
The DuPont FilmTec SW30-2540 (formerly Dow FilmTec) is a highly efficient, small-scale reverse osmosis (RO) membrane engineered specifically for seawater desalination and marine liquid transfer. Manufactured utilizing advanced polyamide thin-film composite technology, this 2.5-inch by 40-inch spiral-wound element features a durable hard-shell fiberglass exterior. This industry-leading construction maximizes permeability and structural stability, allowing the membrane to deliver high-quality potable water in continuous-duty applications. It is widely specified for marine watermakers on yachts and boats, off-shore platforms, and small land-based commercial desalination systems.
Designed to provide exceptional productivity while reducing overall system wear, the SW30-2540 delivers a high permeate flow rate of 700 GPD (2.6 m³/d) with an impressive stabilized salt rejection of 99.7%. Operating efficiently at a standard test pressure of 800 PSI, this membrane drastically reduces the energy consumption of high-pressure booster pumps, allowing system operators to downsize pump requirements and lower operational expenses. Engineered to withstand challenging, high-salinity environments, the element safely accommodates a maximum applied pressure of 1200 PSI and a maximum feed flow of 6.0 GPM. By combining automated precision fabrication with state-of-the-art membrane chemistry, this RO element delivers the consistent, reliable liquid purification required for mission-critical marine and commercial desalination.
| SPECIFICATION | DETAILS |
| Model Number | SW30-2540 |
| Manufacturer | DuPont (FilmTec™) |
| Element Type | Seawater RO Membrane |
| Membrane Technology | Polyamide Thin-Film Composite |
| Configuration | Spiral Wound (Fiberglass Shell) |
| Permeate Flow Rate | 700 GPD (2.6 m³/d) |
| Stabilized Salt Rejection | 99.7% |
| Test Pressure | 800 PSI (55 bar) |
| Max Applied Pressure | 1200 PSI (83 bar) |
| Max Feed Flow Rate | 6.0 GPM (1.4 m³/h) |
| Free Chlorine Tolerance | < 0.1 ppm |
| Max Operating Temp | 113°F (45°C) |
| PART NUMBER | SIZE (INCHES) | Test Pressure (psi) | FLOW RATE GPD | Stabilized Salt Rejection |
| SW30-2540 | 2.5 x 40 | 800 | 700 | 99.0% |
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