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LG BW 440 ES RO Membrane Element

Product No.：BW 440 ES
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LG BW 440 ES Energy Saving RO Membrane (LGBW440ES)

LG BW 440 ES energy saving RO membrane is a brackish water RO membrane with proven, long-lasting reliability and offers high permeability at low feed pressure, significantly reducing operating costs: suitable for low to medium salinity brackish water applications.

LG BW 440 ES Energy Saving RO Membrane Product Data Sheet

Key Features

High permeate flow rate and salt rejection at low feed pressures
Good durability

Main Benefits

Low energy consumption
High permeate water quality
Well-proven and long-lasting reliability

Ideal Applications

Industrial process water
Municipal drinking water
2nd pass SWRO

Performance Specifications

Specification	Unit	Test Condition A	Test Condition B
Permeate Flow Rate	GPD (m³/d)	11,550 (43.7)	12,280 (46.5)
Stabilized Salt Rejection	%	99.6	99.66
Minimum Salt Rejection	%	99.5	99.56
Active Membrane Area	ft² (m²)	440 (41)
Feed Spacer Thickness	mil	28

The specifications outlined above are normalized performances based on the following test conditions:

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

• Test Condition B (referential only): 1,500 ppm NaCl, 150 psi (10.3 bar), 25°C (77°F), pH 7, Recovery 15%

• Permeate flow rates for individual elements may vary by ±15%

Dimensions and Weight

LG BW 440 ES RO Membrane Element Dimension

Dimensions: mm (in)		Wet Weight: kg (lbs)
A	B	C	16 (35)
Element Length	Element O.D.	Core Tube I.D.
1,016 (40)	200 (7.9)	28.6 (1.125)

All dimensional information is indicative and for reference only. Please contact LG Water Solutions for detailed technical specifications.

Operating Specifications

Specification	Unit	Value
Maximum Applied Pressure	psi (bar)	600 (41.3)
Maximum Chlorine Concentration	ppm	< 0.1
Maximum Operating Temperature	°C (°F)	45 (113)
pH Range, Continuous Operation		2–11
pH Range, Cleaning		2–12
Maximum Feed Water Turbidity	NTU	1.0
Maximum Feed Water SDI₁₅		5.0
Maximum Feed Flow	gpm (m³/h)	75 (17)
Maximum Pressure Drop (ΔP) for Each Element	Psi (bar)	15 (1.0)

From D-BW440ES-EN-123124

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