LG BW 4040 UES 4" Membrane element

Product information

LG Chem’s BW4040 UES membrane is ideal for systems requiring high rejection and durability in treating brackish water. Suitable for various commercial RO setups.

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Technical information

Parameter
Specification
Average Permeate Flow Rate
10.2 m³/day
Minimum Salt Rejection
99.0 %
Stabilized Salt Rejection
98.0 %
Active Membrane Area
7.9 m²

Product Specifications

  • Active Membrane Area - 7.9 m2
  • Permeate Flow Rate, GPD - 10.2 m³/day
  • Stabilized salt rejection - 99.0 %
  • Minimum Salt Rejection - 98.0 %
  • Feed Spacer - 28 mil

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

Operating Specifications

  • Maximum applied pressure - 41 bar
  • Maximum chlorine concentration - < 0.1 ppm
  • Maximum operating temperature - 45°C
  • pH range, operational mode - 2...11
  • pH range, chemical cleaning mode - 2...12
  • Maximum feedwater turbidity - 1.0 NTU
  • Maximum feedwater SDI - 5.0
  • Maximum feed flow - 3.6 m3/h
  • Maximum pressure drop - 1.0 bar