HCTI
Replaces BW30 PRO-4040 DuPont FilmTec 2,400 GPD at 225 PSI 4 x 40 inch Membranes
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Direct Replacement for FilmTec BW30 PRO-4040 RO Membrane
This industrial-grade brackish water reverse osmosis (RO) membrane is precision-engineered to serve as a direct, drop-in replacement for the DuPont FilmTec BW30 PRO-4040. Designed to fit identically into standard 4-inch by 40-inch commercial pressure vessels, it provides facility operators with a highly cost-effective alternative that maintains rigorous water purification standards without requiring any system modifications or plumbing adjustments.
Utilizing advanced thin-film composite technology, this heavy-duty element operates efficiently at a standard applied test pressure of 225 PSI. Under these conditions, it delivers a reliable nominal permeate flow rate of 2,400 gallons per day (GPD) alongside a stabilized salt rejection rate of 99.50%. Built to match the exact physical form factor and core performance profile of the OEM target model, it ensures the consistent removal of total dissolved solids (TDS) and other dissolved contaminants, making it an ideal choice for continuous-duty commercial purification, spot-free rinse setups, and light-industrial water treatment systems.
| Specification | Details |
| Product Type | Direct Replacement RO Membrane |
| Direct Replacement For | BW30 PRO-4040 |
| Membrane Type | Brackish Water RO (Thin-Film Composite) |
| Nominal Size | 4.0" x 40" |
| Permeate Flow Rate | 2,400 GPD |
| Stabilized Salt Rejection | 99.50% |
| Test PSI (Applied Pressure) | 225 PSI |
| Test Conditions | 2000 ppm TDS, 77°F (25°C), pH 7.5, 15% Recovery |
| Flow Variance | ± 15% |
Non-OEM Compatibility: This product is a high-quality, non-OEM compatible replacement membrane designed to function as an alternative to original manufacturer components. While engineered for direct fit and functional compatibility, specific performance metrics and technical specifications—including, but not limited to, permeate flow rate (GPD), operating pressure (PSI), and salt rejection percentages—may vary from the exact specifications of the original OEM target model. It is the customer's sole responsibility to cross-reference these specifications with the original part to ensure the replacement meets their specific operating requirements prior to purchase and installation. All brand names, part numbers, and logos are the property of their respective owners and are used solely for identification and cross-reference purposes. This product is not affiliated with, endorsed by, or sponsored by any original equipment manufacturer.
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