LG Water Solutions,LG Chem

LG  BW440 ES L

    Energy-saving membrane equipped with fouling tolerant low dP feed spacer technology  |


    LG BW 440 ES L is engineered with an advanced feed spacer technology designed to optimize the flow regime on the membrane surface. The innovative technology combined with the well-proven LG BW ES membrane results in lower differential pressure and enhanced fouling tolerance.


    LG BW 440 ES L lead to a marked decrease in cleaning frequency, chemical usage, and energy consumption, and thus reduces your plant's overall operational costs. Maximize Plant Uptime with LG BW 440 ES L.

Product Specifications
Active Membrane Area 440 ft² (41 m²)
Permeate Flow Rate 11,550 gpd (43.7 m³/d)
Stabilized Salt Rejection 99.6%
Minimum Salt Rejection 99.5%
Feed Spacer 28 (low dP) mil
Test Conditions
NaCl 2,000 ppm
Pressure 150 psi (10.3 bar)
Temperature 25°C (77°F)
pH 7
Recovery 15%
Permeate Flow Variation +/-15%
Operating Specifications
Max. Operating Pressure 600 psi (41 bar)
Max. Chlorine Concentration <0.1 ppm
Max. Operating Temperature 45°C (113°F)
pH Range, Continuous (Cleaning) 2-11 (2-12)
Max. Feedwater Turbidity 1.0 NTU
Max. Feedwater SDI (15 minutes) 5.0
Max. Feed Flow 75 gpm (17 m³/h)
Max. Pressure Drop for Each Element 15 psi (1.0 bar)
Product Dimensions
Length 1,016 mm (40 inch)
Element O.D. 200 mm (7.9 inch)
Permeate Tube I.D. 28.6 mm (1.125 inch)
Weight 16 kg (35 lbs.)