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SW 4040 RO Membrane

Sea Water RO membranes are designed for desalination with high rejection and high productivity. The Desalination RO Membrane range is ideal for desalination in marine applications, waterers, land and seawater shedders.
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Brief Introduction

Sea Water RO membranes are designed for desalination with high rejection and high productivity. The Desalination RO Membrane range is ideal for desalination in marine applications, waterers, land and seawater shedders.


Specifications and Major Properties


Model Average Permeated Flow GPD (m3/d)  Stable Rejection Rate (%) Minimum Rejection Rate (%)

SW30HRLE-8040

7500(28.4)  99.85 99.6

SW30XLE-8040

9000(34.1)

99.8 99.6
SW-4040

1400(5.3)

99.7 99.5


Testing Conditions: 

Testing Pressure: 800 psi (5.5Mpa)

Temperature of Testing Solution: 25°C

Concentration of Testing Solution (NaCI): 32000ppm

pH Value of Testing Solution: 7.5

Recovery Rate of Single Membrane Element: 15%


Extreme Operation Conditions

Max. Working Pressure: 1000psi(6.9Mpa)

Max. Feedwater Flow: 75gpm(17m3/h) (8040)

16gpm (3.6 m3/h) (4040)

Max. Feedwater Temperature: 45°C

Max. Feedwater SDI: 5

Residual chlorine Concentration of Feedwate: < 0.1ppm

pH Range of Feedwater during Continuous Operation: 3~10

pH Range of Feedwater during Chemical Cleaning: 2~12

Max. Pressure Drop of Single Membrane Element: 15psi(0. 1Mpa)


Dimensions of Membrane Element

All dlimensions are shown in: millimeter (inch)


Dimensions of Membrane Element (1)

Dimensions of Membrane Element (2)



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