Seawater Desalination RO
OV-SW seawater RO membrane elements.
OV-SW elements are engineered for seawater, sub-seawater and high-salinity brackish water. LE, HR, FR, XLE and XHR options allow engineers to balance productivity, rejection and fouling resistance across desalination duties.
Product Advantages
Designed around the application.
- Up to 99.85% stabilized rejection
- Low-energy and high-rejection options
- 4040 and 8040 industrial formats
- Solutions for seawater and high-salinity feed
Typical Applications
- Seawater desalination
- High-salinity brackish water
- Power plant make-up water
- Wastewater reuse and leachate treatment
Typical Properties
Model performance data.
Values are based on the defined test conditions below. Actual system performance depends on feed-water quality, pressure, temperature, recovery and pretreatment.
| Model | Stabilized rejection | Minimum rejection | Permeate flow | Active membrane area |
|---|---|---|---|---|
| OV-SW-2521 | 99.7% | 99.6% | 300 GPD (1.1 m3/d) | 14 ft2 (1.3 m2) |
| OV-SW-2540 | 99.7% | 99.6% | 600 GPD (2.3 m3/d) | 30 ft2 (2.8 m2) |
| OV-SW-4040-LE | 99.8% | 99.6% | 1,900 GPD (7.2 m3/d) | 90 ft2 (8.4 m2) |
| OV-SW-4040-HR | 99.8% | 99.7% | 1,600 GPD (6.1 m3/d) | 90 ft2 (8.4 m2) |
| OV-SW-8040-LE 400 | 99.8% | 99.6% | 9,000 GPD (34.0 m3/d) | 400 ft2 (37.2 m2) |
| OV-SW-8040-HR 400 | 99.8% | 99.7% | 7,500 GPD (28.4 m3/d) | 400 ft2 (37.2 m2) |
| OV-SW-8040-LE 440 | 99.8% | 99.6% | 9,900 GPD (37.4 m3/d) | 440 ft2 (40.9 m2) |
| OV-SW-8040-XHR 400 | 99.85% | 99.75% | 7,000 GPD (26.5 m3/d) | 400 ft2 (37.2 m2) |
Standard Test Conditions
Test pressure800 psi (5.52 MPa)
Feed concentration32,000 ppm NaCl
Feed temperature25 C
Single-element recovery8%
Operating & Cleaning Limits
Maximum operating pressure1,200 psi (8.3 MPa)
Maximum feed flow75 gpm (8040) / 16 gpm (4040)
Maximum feed temperature45 C
Maximum feed SDI155
Free chlorine tolerance< 0.1 ppm
Continuous operating pH2-11
Cleaning pH1-13
Maximum element pressure drop15 psi (0.10 MPa)
Technical Document
OV-SW Series Datasheet
Download the original technical sheet used for the model data on this page.
Technical Inquiry