DuPont
BW30XFR-400/34i Dow FilmTec™ 2,300 GPD at 225 PSI 8 x 40 inch 99.5% Rejection Membranes
BW30XFR-400/34i Dow FilmTec™ 2,300 GPD at 225 PSI 8 x 40 inch 99.5% Rejection Membranes
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FilmTec BW30XFR-400/34i RO Membrane | Extreme Fouling Resistance
The FilmTec BW30XFR-400/34i is a premium 8-inch x 40-inch Brackish Water (BW) Reverse Osmosis element from DuPont Water Solutions, engineered for industrial and commercial applications with high potential for biological or organic fouling. The key feature of this element is the Extreme Fouling Resistance (XFR) technology, which incorporates a wider 34-mil feed spacer to minimize pressure drop and the accumulation of fouling materials on the membrane surface, significantly reducing cleaning frequency and maintenance costs.
This element provides high performance with a nominal flow rate of 2,300 GPD and excellent salt rejection of 99.5%, making it suitable for high-quality product water production. The membrane also features the proprietary i-LEC™ Interlocking Endcaps technology, which reduces the potential for element telescoping and improves flow sealing, ensuring more reliable, long-term system operation.
Technical Specifications
| Feature | Specification | Units / Notes |
| Part Number | BW30XFR-400/34i | |
| Manufacturer | DuPont FilmTec | |
| Element Type | Brackish Water (BW) | Extreme Fouling Resistance (XFR) |
| Nominal Size | 8 x 40 inch | (Fits standard 4040 housings) |
| Active Membrane Area | 85 sq ft | (7.9 sq m) |
| Nominal Permeate Flow | 2,300 GPD | (8.7 cu m/day) |
| Nominal Salt Rejection | 99.5% | |
| Test Pressure | 225 PSI | (1.55 MPa) |
| Test Conditions | 2,000 ppm NaCl, 15% recovery, 77F (25C) | |
| Feed Spacer Size | 34 mil | (Wide Spacer for Fouling Resistance) |
| Endcap Feature | i-LEC™ Interlocking Endcaps | (Improved sealing and stability) |
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