LG Water Solutions,LG Chem

LG BW CW 4040 SF

    LG CW 4040 SF RO membranes are mainly targeted for spot free rinse application in the car wash industry. LG CW 4040 SF RO membranes, incorporated with innovative Thin Film Nanocomposite (TFN) technology, offer high productivity at ultra-low feed pressure while delivering good water quality. The membranes are available in industry standard 4"x40" configuration and can easily fit into existing or new car wash RO systems.

Product Specifications
Active Membrane Area 85.0 ft² (7.9 m²)
Permeate Flow Rate 2,900 gpd (11.0 m³/d)
Stabilized Salt Rejection 99.0%
Minimum Salt Rejection 98.0%
Test Conditions
NaCl 500 ppm
Pressure 100 psi (6.9 bar)
Temperature 25°C (77°F)
pH 7
Recovery 15%
Permeate Flow Variation -15%
Operating Specifications
Max. Operating Pressure 600 psi (41 bar)
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 16 gpm (3.6 m³/h)
Max. Pressure Drop for Each Element 15 psi (1.0 bar)
Product Dimensions
Length 1,016 mm (40 inch)
Element O.D. 100 mm (3.9 inch)
Permeate Tube O.D. 19 mm (0.75 inch)
Active Membrane Area 85.0 ft² (7.9 m²)
Weight 4.0 kg (8.8 lbs.)
Core Tube Extension 29 mm (1.1 inch)