SW-8040-HF Walchin Anti-Pollution RO Membrane – Enhanced Filtration for High-Efficiency Water Purification
SW-8040-HF Walchin Anti-Pollution RO Membrane – Enhanced Filtration for High-Efficiency Water Purification
SW-8040-HF Walchin Anti-Pollution RO Membrane – Enhanced Filtration for High-Efficiency Water Purification
SW-8040-HF Walchin Anti-Pollution RO Membrane – Enhanced Filtration for High-Efficiency Water Purification
SW-8040-HF Walchin Anti-Pollution RO Membrane – Enhanced Filtration for High-Efficiency Water Purification
SW-8040-HF Walchin Anti-Pollution RO Membrane – Enhanced Filtration for High-Efficiency Water Purification
SW-8040-HF Walchin Anti-Pollution RO Membrane – Enhanced Filtration for High-Efficiency Water Purification
SW-8040-HF Walchin Anti-Pollution RO Membrane – Enhanced Filtration for High-Efficiency Water Purification
SW-8040-HF Walchin Anti-Pollution RO Membrane – Enhanced Filtration for High-Efficiency Water Purification
SW-8040-HF Walchin Anti-Pollution RO Membrane – Enhanced Filtration for High-Efficiency Water Purification

SW-8040-HF Walchin Anti-Pollution RO Membrane – Enhanced Filtration for High-Efficiency Water Purification

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Product Introduction

The Walchin Anti-Pollution Reverse Osmosis Membrane Series offers improved performance over traditional reverse osmosis membranes, specifically designed for enhanced filtration. Key upgrades include:

  • Optimized membrane surface roughness
  • Enhanced electrical properties (closer to electrical neutrality)
  • Increased hydrophilicity of the membrane material

These improvements lead to significantly enhanced anti-pollution capabilities, reducing the frequency of chemical cleaning and system shutdowns, which in turn results in lower operating costs and improved efficiency.

Walchin’s anti-pollution membrane technology has been widely adopted across multiple industries, including:

  • Pure water preparation
  • Seawater desalination
  • Wastewater treatment

These reverse osmosis membranes are essential components of RO systems, ensuring reliable and cost-effective filtration with minimal maintenance.

🔹 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/%

SW-8040-HF

Polyamide composite membrane 

400 

11000(41.6)

99.7

Water production floating range:±15%

 

 

Model/Sizemm)

A

B

C

D

HQ-8040FR-400

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 influent water during chemical cleaning

1-13

 Maximum allowable pressure drop of a single membrane element 

15psi0.1MPa