Hydranautics
CPA2-2540 Hydranautics Nitto 225 PSi 2.5 x 40 inch 99.4% Rejection Membranes
CPA2-2540 Hydranautics Nitto 225 PSi 2.5 x 40 inch 99.4% Rejection Membranes
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Hydranautics CPA2-2540 High Rejection Brackish Water RO Membrane
For industrial, commercial, and municipal water purification systems demanding uncompromised performance and high-purity water, the Hydranautics CPA2-2540 is a highly dependable reverse osmosis membrane. As part of Hydranautics' Composite Polyamide (CPA) series, this 2.5-inch by 40-inch element is specifically engineered to treat challenging brackish water sources and effectively reduce high levels of total dissolved solids (TDS). Utilizing state-of-the-art thin-film composite technology, it provides industry-leading salt rejection and robust chemical tolerance, making it an ideal choice for continuous-duty commercial purification, spot-free rinse applications, and light industrial process water.
Operating at a standard test pressure of 225 PSI, the CPA2-2540 is built to maintain an exceptional salt rejection rate to ensure maximum operational uptime and pristine permeate quality across demanding treatment environments. Designed to fit seamlessly into any standard 2.5" x 40" commercial pressure vessel, this heavy-duty spiral-wound membrane provides a highly cost-effective and reliable solution for reducing TDS prior to ion exchange, boiler make-up water, and commercial drinking water processing.
| Specification | Details | Notes |
| Model Number | CPA2-2540 | |
| Manufacturer | Hydranautics (Nitto) | |
| Membrane Type | Brackish Water RO | Thin-Film Composite (TFC) |
| Nominal Size | 2.5" x 40" | Standard commercial 2540 footprint |
| Nominal Salt Rejection | 99.4% | High purity removal rate |
| Test PSI (Applied Pressure) | 225 PSI (1.55 MPa) | Standard test conditions |
| Max Operating Pressure | 600 PSI (4.14 MPa) | |
| Max Operating Temp | 113°F (45°C) | |
| pH Range (Continuous) | 2 - 10 |
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