Industrial Brackish Water RO

OV-L low-pressure RO membrane elements.

OV-L aromatic polyamide thin-film composite elements are designed for medium- and low-salinity brackish water. The series combines high rejection and high productivity for municipal supply, industrial process water and boiler make-up systems.

4040 / 8040 OV-L low-pressure RO membrane elements.

Product Advantages

Designed around the application.

  • Up to 99.8% stabilized rejection
  • 4040 and 8040 configurations
  • High-flow 400 and 440 ft2 options
  • Wide cleaning pH range

Typical Applications

  • Municipal water supply
  • Boiler make-up water
  • Food and beverage process water
  • Textile, electroplating and chemical industries

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.

ModelStabilized rejectionMinimum rejectionPermeate flowActive membrane area
OV-L-404099.7%99.5%2,600 GPD (9.8 m3/d)100 ft2 (9.3 m2)
OV-L-8040-40099.7%99.5%10,000 GPD (39.7 m3/d)400 ft2 (37.2 m2)
OV-L-8040-400 PRO99.8%99.5%11,500 GPD (43.5 m3/d)400 ft2 (37.2 m2)
OV-X-8040-44099.7%99.5%12,650 GPD (48.0 m3/d)440 ft2 (40.9 m2)

Standard Test Conditions

Test pressure225 psi (1.55 MPa)
Feed concentration2,000 ppm NaCl
Feed temperature25 C
Single-element recovery15%

Operating & Cleaning Limits

Maximum operating pressure600 psi (4.14 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-L Series Datasheet

Download the original technical sheet used for the model data on this page.

Download PDF

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