BW-8040-FR Walchin Brackish Water RO Membrane – High-Efficiency Water Purification for Neutral Salts & Alkaline Water
BW-8040-FR Walchin Brackish Water RO Membrane – High-Efficiency Water Purification for Neutral Salts & Alkaline Water
BW-8040-FR Walchin Brackish Water RO Membrane – High-Efficiency Water Purification for Neutral Salts & Alkaline Water
BW-8040-FR Walchin Brackish Water RO Membrane – High-Efficiency Water Purification for Neutral Salts & Alkaline Water
BW-8040-FR Walchin Brackish Water RO Membrane – High-Efficiency Water Purification for Neutral Salts & Alkaline Water
BW-8040-FR Walchin Brackish Water RO Membrane – High-Efficiency Water Purification for Neutral Salts & Alkaline Water
BW-8040-FR Walchin Brackish Water RO Membrane – High-Efficiency Water Purification for Neutral Salts & Alkaline Water
BW-8040-FR Walchin Brackish Water RO Membrane – High-Efficiency Water Purification for Neutral Salts & Alkaline Water
BW-8040-FR Walchin Brackish Water RO Membrane – High-Efficiency Water Purification for Neutral Salts & Alkaline Water
BW-8040-FR Walchin Brackish Water RO Membrane – High-Efficiency Water Purification for Neutral Salts & Alkaline Water

BW-8040-FR Walchin Brackish Water RO Membrane – High-Efficiency Water Purification for Neutral Salts & Alkaline Water

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Product Introduction

The Walchin Brackish Water Series is specifically designed for water with high alkalinity, neutral salts, and a pH value greater than 7. Walchin's brackish water reverse osmosis membrane provides high-performance filtration, removing:

  • Over 90% of soluble salts
  • More than 99% of colloidal microorganisms and organic matter

The key benefits of our membranes include:

  • No phase change & operates at normal temperatures
  • Simple equipment design & easy operation
  • High efficiency & small footprint
  • Low energy consumption & wide adaptability
  • High degree of automation
  • Excellent water quality

This makes it the ideal solution for brackish water desalination and purification across various industries, offering cost-effective, reliable water treatment.

🔹 Customization Available! We offer OEM & bulk supply solutions tailored to your specific needs. Contact us via the Chat icon for more details.

 

Performance parameters 

Model

Membrane Type

Membrane area/ft²

Flow GPDm³/d

Stable desalination rate/%

BW-8040-FR

Polyamide composite membrane 

400 

9600(36.3 

99.5

Water production floating range:±15%

 

 

Model/Sizemm)

A

B

C

D

BW-8040-FR

40.0(1016)

1.05(26.7)

7.9(201)

1.125(29)

 

Test conditions

Test solution concentrationNaCl

Water temperature

pH

Operating pressure psiMPa

Recovery rate%

2000ppm

25

7.5-8

2251.55

 15

Operating Limits

Maximum working pressure 

600psi4.14MPa

Maximum water inlet temperature

45℃

Maximum water inlet flow 

75GPM17m³/h

Maximum water inlet SDI15 

5

Maximum residual chlorine concentration(mg/L) 

0.1

Inlet water pH range during continuous operation 

2-11

pH range of Inlet water during chemical cleaning

1-13

 Maximum allowable pressure drop of a single membrane element 

15psi0.1MPa