HCTI
Replaces XLE-4021 DuPont FilmTec 1000 GPD at 100 PSI 99% Salt Rejection 4 x 21 inch Membranes
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4" x 21" Extra Low Pressure RO Membrane (1,000 GPD)
This industrial-grade, extra low pressure (XLP) reverse osmosis membrane is engineered for high-performance commercial water treatment applications. Designed to fit standard 4-inch by 21-inch pressure vessels, this element utilizes advanced thin-film composite technology to provide superior filtration efficiency. By operating effectively at a reduced feed pressure of 100 PSI, this membrane minimizes the energy consumption of high-pressure booster pumps while maximizing system throughput, making it a highly cost-effective solution for reducing overall facility operating expenses.
This element is built for consistency and durability, delivering a nominal permeate flow rate of 1,000 gallons per day (GPD). With a stabilized salt rejection rate of 99.00%, it provides robust removal of total dissolved solids (TDS) and other common contaminants, ensuring reliable water quality for commercial RO setups. Whether used in small-scale commercial purification or as part of a multi-stage industrial system, this membrane is designed to maintain consistent output even under variable feed water conditions, offering a dependable balance of high flux and stringent purification.
| Specification | Details |
| Membrane Type | Extra Low Pressure (XLP) RO |
| Nominal Size | 4.0" x 21" |
| Permeate Flow Rate | 1,000 GPD |
| Stabilized Salt Rejection | 99.00% |
| Test PSI (Applied Pressure) | 100 PSI |
| Test Conditions | 500 ppm TDS, 77°F, 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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