LG SW 440 GR

Summary

Product identification

LG Chem's LG SW 440 GR is a Seawater Reverse Osmosis (RO) membrane element. It incorporates Thin Film Nanocomposite (TFN) technology, designed for high salt rejection and low energy requirements, making it suitable for high salinity seawater applications.

Product water

The nominal performance specifications for the LG SW 440 GR element are:

• Active Membrane Area: 440 ft² (41 m²)
• Permeate flow rate: 8,250 GPD (31.2 m³/d)
• Stabilized Salt Rejection: 99.85 %
• Minimum Salt Rejection: 99.7 %
• Boron Rejection: 93 %
• Feed Spacer: 28 mil

These specifications are based on the following test conditions:

• Feed water: 32,000 ppm NaCl, 5 ppm boron
• Temperature: 25°C (77°F)
• Operating pressure: 800 psi (55 bar)
• pH: 8
• Recovery: 8% Permeate flows for individual elements may vary by +/-15%.

Operating limits

• Max. Applied pressure: 1,200 psi (82.7 bar)
• Max. Operating temperature: 45°C (113°F)
• pH Range, Continuous: 2-11
• pH Range, Cleaning: 2-13
• Max. Chlorine concentration: < 0.1 ppm

Feed water

• Max. Feedwater turbidity: 1.0 NTU
• Max. Feedwater SDI (15 mins): 5.0
• Max. Feed flow: 75 gpm (17 m³/h)
• Min. Ratio of concentrate to permeate flow for any element: 5 : 1

Mechanical / hydraulic

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

Indicative dimensions and weight are:

• A: 1,016 mm (40 in.)
• B: 200 mm (7.9 in.)
• C: 28.6 mm (1.125 in.)
• Weight: 16 kg (35 lbs.)

All dimensional information is indicative and for reference purposes only.

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Disclaimer: This summary is based on the provided text extract. The original PDF may contain additional figures, footnotes, or revisions not present in this extract. For contractual data and complete specifications, please refer to the official OEM PDF revision used on the project.

Official datasheet (PDF)

PDF datasheet