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TW30 PRO-4040 DuPont FilmTec Membranes
TW30 PRO-4040 DuPont FilmTec Membranes
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TW30 PRO-4040 DuPont FilmTec Membranes
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DuPont FilmTec TW30 PRO-4040 RO Membrane (2,600 GPD)
The DuPont FilmTec TW30 PRO-4040 is an industry-leading, professional-grade tap water reverse osmosis (RO) membrane engineered for demanding commercial water treatment applications. Fabricated with advanced polyamide thin-film composite technology, this 4-inch by 40-inch element delivers exceptional reliability and high-purity water production. By building upon decades of proven membrane performance, the PRO series offers enhanced structural durability and superior fouling protection, ensuring stable, long-term operation for commercial facility water systems, food and beverage service setups, and medical research institutions.
Designed for maximum efficiency, the TW30 PRO-4040 features a tape-wrapped outer shell, making it a highly economical choice for systems operating with one or two elements per pressure vessel. It incorporates a robust 34-mil feed spacer, which effectively mitigates the impact of particulate fouling and allows for a broad pH range (1-13) during routine short-term chemical cleaning procedures. Under standard manufacturer test conditions at 225 PSI, this heavy-duty element delivers a remarkable nominal permeate flow rate of 2,600 gallons per day (GPD) while maintaining an industry-leading stabilized salt rejection rate of 99.70%. Capable of safely withstanding a maximum continuous operating pressure of 600 PSI, this membrane guarantees consistent, premium-quality water yields for commercial applications requiring the stringent removal of dissolved solids.
| Specification | Details |
| Model Number | TW30 PRO-4040 |
| Manufacturer | DuPont Water Solutions (FilmTec) |
| Membrane Type | Tap Water RO (Polyamide Thin-Film Composite) |
| Nominal Size | 4.0" x 40" |
| Exterior Wrap | Tape-Wrapped |
| Permeate Flow Rate | 2,600 GPD (9.8 m³/d) |
| Stabilized Salt Rejection | 99.70% |
| Feed Spacer Thickness | 34 mil |
| Max Operating Pressure | 600 PSI (41 bar) |
| Test PSI (Applied Pressure) | 225 PSI (15.5 bar) |
| Max Operating Temp | 113°F (45°C) |
| Free Chlorine Tolerance | < 0.1 ppm |
| Max Feed Silt Density Index | SDI 5 |
| Test Conditions | 2,000 ppm NaCl, 225 PSI, 77°F (25°C), pH 8.0, 15% Recovery |
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