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Aqua Best DOW Filmtec BW30-400 RO Membrane

DOW FilmTec BW30-400 Brackish Water RO Membrane

The DOW FilmTec BW30-400 is a high-capacity reverse osmosis (RO) membrane element designed for brackish water desalination. Engineered for industrial-scale applications, this membrane delivers up to 10,500 gallons per day (39.7 m³/day) of purified water while maintaining a nominal salt rejection rate of 99.5%. With its 400 ft² active area and robust construction, it ensures maximum performance, durability, and cost efficiency in demanding water treatment environments.


Key Features & Benefits

  • 💧 High Flow Capacity: Produces 10,500 GPD, making it ideal for large-scale systems.

  • 🔒 Superior Salt Rejection: Removes 99.5% of dissolved salts and contaminants for consistently pure water.

  • ⚙️ Industrial-Grade Durability: Built to withstand pressures of up to 600 psi (41 bar) for reliable long-term operation.

  • 🏭 Optimized for Brackish Water: Specifically designed for challenging brackish water sources, ensuring efficient purification.

  • 🌍 Trusted Technology: Manufactured by DOW FilmTec, one of the world’s leading membrane technology providers.


Technical Specifications

  • Type: Thin-Film Composite (TFC) RO element (for brackish water)

  • Production Capacity: 10,500 GPD (39.7 m³/day)

  • Nominal Salt Rejection: 99.5%

  • Active Membrane Area: 400 ft² (37 m²)

  • Maximum Operating Pressure: 600 psi (41 bar)

  • Maximum Feed Flow Rate: 85 gpm (19.3 m³/h)

  • Operating Temperature Range: 41–113°F (5–45°C)

  • Dimensions:

    • Length: 40 in (1016 mm)

    • Diameter: 8 in (203 mm)


Applications

  • Industrial water treatment plants

  • Large-scale brackish water desalination systems

  • Power generation & energy sector

  • Food & beverage processing industries

  • Municipal water treatment facilities

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Product Full Description

DOW Filmtec BW30-400 RO Membrane – High-Capacity Brackish Water Desalination

The DOW Filmtec BW30-400 RO membrane is a high-performance reverse osmosis element specifically designed for brackish water desalination. With its impressive production capacity of up to 10,500 gallons per day, it delivers large volumes of purified water while maintaining superior quality standards. Built with advanced membrane technology and an active surface area of 400 square feet, the Filmtec BW30-400 ensures maximum efficiency and durability, making it an ideal choice for industrial and municipal water treatment systems.


Key Features of DOW Filmtec BW30-400

  • High Production Capacity – Produces up to 10,500 gallons per day (39.7 m³/day), making it perfect for large-scale water purification projects.
  • Superior Salt Rejection – Achieves a 99.5% nominal salt rejection rate, providing clean and safe water for industrial, municipal, and commercial use.
  • Large Membrane Area – With 400 square feet of active membrane area, it enhances performance, reduces fouling, and ensures long service life.
  • Durable Construction – Engineered to handle high-pressure operations while maintaining consistent results.
  • Anti-Fouling Design – Optimized for resistance against fouling and scaling, reducing maintenance needs.

The DuPont Filmtec BW30-400 RO membrane represents advanced engineering in water treatment, offering unmatched consistency and reliability.


Benefits of Using Filmtec BW30-400 RO Membrane

  1. High-Efficiency Desalination – Effectively removes salts, dissolved solids, and contaminants from brackish water sources.
  2. Lower Operating Costs – Its high efficiency reduces energy consumption per gallon of water produced.
  3. Extended Service Life – Robust construction ensures durability under continuous use in demanding environments.
  4. Scalability – Ideal for integration into large industrial RO systems, municipal plants, and desalination facilities.
  5. Consistent Water Quality – Delivers reliable results with stable operation under varying feedwater conditions.

By choosing the Filmtec BW30-400 reverse osmosis membrane, industries gain long-term cost savings and improved process water quality.


Applications of DOW Filmtec BW30-400

The DOW Filmtec BW30-400 membrane is widely used in sectors that demand high-capacity and reliable brackish water treatment. Common applications include:

  • Municipal water treatment plants – Providing safe drinking water to communities.
  • Industrial water purification – For manufacturing, textiles, food & beverage, and chemical industries.
  • Power generation facilities – Ensuring high-purity water for boilers and turbines.
  • Agricultural irrigation systems – Supplying purified water for crop growth.
  • Desalination plants – Converting brackish water into potable water at a large scale.

Its versatility makes the Filmtec BW30-400 RO element a trusted choice for both public utilities and private enterprises.


Technical Specifications

  • Model: DOW Filmtec BW30-400
  • Type: Brackish Water RO Membrane
  • Daily Capacity: Up to 10,500 gallons/day (39.7 m³/day)
  • Salt Rejection: 99.5% nominal
  • Membrane Area: 400 sq. ft.
  • Operating Pressure: Designed for high-pressure brackish water applications
  • Construction: Durable design with enhanced fouling resistance

These specifications highlight why the DuPont Filmtec BW30-400 membrane is considered one of the most reliable solutions in water treatment technology.


Why Choose DOW Filmtec BW30-400 RO Membrane?

The DOW Filmtec BW30-400 RO element is engineered with DuPont’s innovative membrane technology, setting it apart from competitors. Its balance of high rejection, durability, and energy efficiency makes it a preferred choice for operators worldwide.

Key reasons to choose:

  • High water output for large projects
  • Reliable operation under challenging feedwater conditions
  • Reduced maintenance costs due to anti-fouling design
  • Trusted brand with proven results in global water treatment

Conclusion

For industries, municipalities, and large-scale operations requiring brackish water desalination, the DOW Filmtec BW30-400 reverse osmosis membrane delivers unmatched performance. With its 10,500 GPD capacity, 99.5% salt rejection, and robust 400 sq. ft. active area, it ensures efficiency, reliability, and cost-effectiveness.

Whether upgrading an existing RO system or installing a new one, the Filmtec BW30-400 membrane is a long-term investment in water purity and operational efficiency.

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