BW Membrane
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BW Membrane

Type: BW series RO membrane
Model: 4040
Max. Working Pressure: 600 Psi
Replace: Every 24 months or as needed
Salt Rejection: 98.8%
Max. Feedwater Temperature: 45°C
Max. Feedwater SDI: 5
Maximum Feed Water Turbidity: 1 NTU
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Product Introduction

The BW Membrane stands as a cornerstone of reliability in commercial and residential drinking water purification, leveraging cutting-edge reverse osmosis technology to deliver unmatched filtration performance. Engineered for equipment suppliers, water treatment specialists, and end-users alike, this membrane combines advanced automated manufacturing processes with robust materials to ensure consistent, long-term efficiency. Operating at a standard pressure of 60 psi, the BW Membrane outperforms competitors by purifying 20% more water under identical conditions, maximizing output while minimizing energy consumption. Its dry-shipping design guarantees convenience in handling and extended shelf life, preserving membrane integrity until installation.

With the BW-4040 model producing 2,400 GPD at 100 psi, the membrane maintains remarkable adaptability. Even at a reduced pressure of 60 psi-a 40% drop-it still yields approximately 1,440 GPD, showcasing its resilience in fluctuating operational environments. This pressure-flexible performance makes it ideal for commercial facilities, residential complexes, and small-scale treatment plants prioritizing both high-volume output and cost efficiency.

 

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4040 BW Membrane specification

Model No.

Feed Spacer
thickness (mil)

Min. Salt
Rejection (%)

Stabilized Salt
Rejection (%)

Permeate
Flow Rate (GPD)

Test
Pressure (psi)

Test water
TDS (ppm)

TW-4040XLE

28

97.5

98

2600

100

750

TW-4040ULP

31

98.2

98.8

2400

150

1000

BW-4040LP

31

98.6

99.2

2400

225

1500

BW-4040AF

34

98.7

99.2

2100

225

2000

 

Operating Limits:

Model No.

Maximum
Operating
Temperature

Maximum
Operating
Pressure

Feed Water
PH Range,
continuous
operation

Maximum Feed
Water Turbidity

Maximum
Feed Water
SDI

Chlorine
Tolerance

TW-4040XLE

45℃

300psi

2-11

1NTU

5

<0.1ppm

TW-4040ULP

45℃

600psi

2-11

1NTU

5

<0.1ppm

BW-4040LP

45℃

600psi

2-11

1NTU

5

<0.1ppm

BW-4040AF

45℃

600psi

2-11

1NTU

5

<0.1ppm

 

BW Membrane features

  • High-TDS Water Resilience: The BW Membrane excels in treating challenging high-TDS water sources (5,000ppm), maintaining superior contaminant rejection rates even under extreme salinity conditions for reliable purification.
  • Precision Layered Engineering: Featuring a state-of-the-art thin-film composite design with precision-engineered polymer layers, it ensures enhanced filtration accuracy and structural durability for long-term performance.
  • Low-Maintenance Efficiency: Its anti-fouling surface technology minimizes scaling and organic buildup, reducing cleaning cycles and extending service intervals to lower operational downtime.
  • Shelf-Life Maximization: Shipped in 100% dry, vacuum-sealed packaging, the membrane retains optimal functionality during storage and transport, guaranteeing readiness for immediate deployment.

 

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