LG SW 400 ES

Summary

Product identification

• LG SW 400 ES Seawater Reverse Osmosis (RO) Membrane
• Features LG Chem’s NanoH2O™ Thin Film Nanocomposite (TFN) technology.
• LG SW ES (Energy Saving) membranes are suitable for low to medium salinity seawater applications.

Performance specifications

• Active Membrane Area: 400 ft² (37 m²)
• Permeate flow rate: 13,700 GPD (51.9 m³/d)
• Stabilized Salt Rejection: 99.8%
• Minimum Salt Rejection: 99.6%
• Boron Rejection: 89%
• Feed Spacer: 34 mil

Test Conditions:

• Feed: 32,000 ppm NaCl, 5 ppm boron
• Temperature: 25°C (77°F)
• Applied pressure: 800 psi (55 bar)
• pH: 8
• Recovery: 8%
• Permeate flows for individual elements may vary +/-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. Feed flow: 75 gpm (17 m³/h)
• Min. Ratio of concentrate to permeate flow for any element: 5 : 1
• 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

Mechanical / hydraulic

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

Disclaimer

This summary is based on the provided text extraction and may not include all figures, footnotes, or the latest revisions. Contractual data must match the OEM PDF revision used on the project.

Official datasheet (PDF)

PDF datasheet