DOW Filmtec SW30HRLE-400 Sea Water Reverse Osmosis Membrane, an 8.0″ x 40″ RO membrane element that can provide RO quality water of up to 7,500 gallons per day at an 8% recovery rate. It can operate at feed pressures ranging from 800 psi to 1,200 psi with 99.8% salt rejection. This Seawater RO element is designed to reduce capital and operational costs of large desalination systems that produce greater than approximately 10 GPM (2300 L/h) of permeate for premium seawater reverse osmosis (RO). These products combine premium membrane performance with automated precision fabrication to provide reliable and consistent performance.
SW30HRLE-400 Elements offer a combination of high rejection and low energy requirements to allow lower total costs with medium- and high-salinity feed water. Dow’s fully automated and precise element production enables the most consistent products in the industry for the most consistent product performance available. With a wide range of membranes available to meet various system design requirements, Filmtec’s RO products combine excellent membrane quality with automated precision fabrication, taking system performance to unprecedented levels. This product is best for seawater desalination, municipal drinking water and industrial desalination.
| Model/SKU: | DWC90 |
| Manufacturer ID [Part#]: | Dupont Dow SW30HRLE-400 [Part 248257] |
| Dimensions(Diameter x Length, inches): | 8.0 x 40 inches(actual 7.9 x 40) |
| Stabilized Salt Rejection, Range(min-max%): | 99.65% – 99.8% |
| Permeate Flow Rate(Gallons per Day, gpd): | 7,500 gpd (28,390 L/day) or 28 m³/day) * |
| Maximum Feed Flow Rate [gpm (m³/hr)]: | 85 gpm (19.3 m³/hr) |
| Maximum Operating Temperature(°F): | 113°F (45°C) |
| Applied Pressure(psi): | 800 psi (55 bar) |
| Maximum Operating Pressure(psi): | 1,200 psi (83 bar) |
| Maximum Pressure Drop(psi): | 15 psi (1.0 bar) |
| pH Range, Continuous Operation: | 2 – 11 ** |
| pH Range, Short-Term Cleaning: | 1 – 13 |
| Maximum Feed Silt Density Index(SDI): | 5 SDI |
| Free Chlorine Tolerance(ppm): | < 0.1 ppm *** |
| Membrane Style: | Drop-in Element |
| Membrane Material: | Polyamide Thin-Film Composite |
| Feed Spacer: | 28 mil |
| Active Area(sq.ft., ft²): | 400 ft² (37 m²) |
| Outer Wrap: | Hard fiberglass outer shell |
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