LG BW 2521 ES

Summary

Product identification

• Product Name: LG BW 2521 ES
• Type: Brackish Water Reverse Osmosis (RO) Membrane
• Series: Energy Saving (ES)
• Technology: Thin Film Nanocomposite (TFN)
• Description: LG BW ES membranes offer high permeability at low feed pressure, significantly reducing operating costs, and are suitable for low to medium salinity brackish water applications.

Product water

• Permeate flow rate: 345 GPD (1.3 m³/d)
• Stabilized Salt Rejection: 99.5%
• Minimum Salt Rejection: 99.2%
• Test Conditions: 2,000 ppm NaCl at 25°C (77°F), 150 psi (10.3 bar), pH 7, Recovery 8%.
• Note: Permeate flows for individual elements may vary +/-20%.

Operating limits

• Max. Applied pressure: 600 psi (41 bar)
• Max. Operating temperature: 45°C (113°F)
• pH Range, Continuous: 2-11
• pH Range, Cleaning: 2-12
• Max. Pressure drop (ΔP) for each element: 15 psi (1.0 bar)

Feed water

• Max. Chlorine concentration: < 0.1 ppm
• Max. Feedwater turbidity: 1.0 NTU
• Max. Feedwater SDI (15 mins): 5.0
• Max. Feed flow: 16 gpm (3.6 m³/h)

Mechanical / hydraulic

• Active Membrane Area: 9 ft² (0.9 m²)
• Feed Spacer: 28 mil
• Dimensions:
  • A: 533 mm (21 in.)
  • B: 60 mm (2.4 in.)
  • C: 19 mm (0.75 in.)
  • D: 32 mm (1.3 in.)
• Weight: 1.0 kg (2.2 lbs.)

Disclaimer: The information and data provided in this summary are for general guidance. This extraction may miss figures, footnotes, or the latest revisions of the official document. Contractual data must match the OEM PDF revision used on the project.

Official datasheet (PDF)

PDF datasheet