LG BW 4040 ES

Summary

Product identification

LG Chem NanoH2O™ LG BW 4040 ES is an energy-saving brackish water reverse osmosis (RO) membrane element. It incorporates Thin Film Nanocomposite (TFN) technology, providing superior performance and intrinsic anti-fouling properties, suitable for low to medium salinity brackish water applications.

Product specifications

• Active Membrane Area: 85 ft² (7.9 m²)
• Permeate Flow Rate: 2,500 GPD (9.5 m³/d)
• Stabilized Salt Rejection: 99.5%
• Minimum Salt Rejection: 99.2%
• Feed Spacer: 28 mil

Test Conditions: 2,000 ppm NaCl at 25°C (77°F), 150 psi (10.3 bar), pH 7, Recovery 15%. 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

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

• Max. Pressure drop (ΔP) for each element: 15 psi (1.0 bar)

Dimensions:

• A: 1,016 mm (40 in.)
• B: 100 mm (3.9 in.)
• C: 19 mm (0.75 in.)
• D: 29 mm (1.1 in.)
• Weight: 4.0 kg (8.8 lbs.)

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Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions. Contractual data for any project must match the OEM PDF revision used on that project.

Official datasheet (PDF)

PDF datasheet