LG BW 4040 UES

Summary

Product identification

The LG BW 4040 UES is an Ultra Low Energy brackish water Reverse Osmosis (RO) membrane. It incorporates Thin Film Nanocomposite (TFN) technology, offering high permeability at ultra-low feed pressure to reduce operating costs, especially suitable for low salinity brackish water applications.

Product specifications

• Active Membrane Area: 85 ft² (7.9 m²)
• Permeate flow rate: 2,700 GPD (10.2 m³/d)
• Stabilized Salt Rejection: 99.0%
• Minimum Salt Rejection: 98.0%
• Feed Spacer: 28 mil

Test Conditions: 500 ppm NaCl at 25°C (77°F), 100 psi (6.9 bar), pH 7, Recovery 15%. Permeate flows for individual elements will vary with no less than 85% of the specified datasheet flow.

Mechanical / hydraulic

• 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.)

Operating limits

• Max. Applied pressure: 600 psi (41 bar)
• Max. Chlorine concentration: < 0.1 ppm
• Max. Operating temperature: 45°C (113°F)
• pH Range, Continuous: 2-11
• pH Range, Cleaning: 2-12
• Max. Feedwater turbidity: 1.0 NTU
• Max. Feedwater SDI (15 mins): 5.0
• Max. Feed flow: 16 gpm (3.6 m³/h)
• Max. Pressure drop (ΔP) for each element: 15 psi (1.0 bar)

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Disclaimer: This summary is based on the provided text extract. The original PDF datasheet may contain additional figures, footnotes, or more recent revisions. For contractual purposes, always refer to the specific OEM PDF revision used on the project.

Official datasheet (PDF)

PDF datasheet