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Aqua Best DOW Filmtec BW30-4040 RO Membrane

DOW FilmTec BW30-4040 RO Membrane

The DOW FilmTec BW30-4040 is a high-performance reverse osmosis (RO) membrane element specifically designed for brackish water desalination. With a daily production capacity of up to 2,600 gallons (9.8 m³/day) and a nominal salt rejection rate of 99.5%, it provides reliable and efficient water purification for commercial and light industrial applications. Its compact 4-inch design makes it ideal for systems requiring high-quality water with consistent performance.


Key Features & Benefits

  • 💧 High Production Capacity: Produces up to 2,600 GPD, suitable for mid-sized RO systems.

  • 🔒 Superior Salt Rejection: Removes up to 99.5% of dissolved salts, contaminants, and impurities.

  • ⚙️ Durable Construction: Built to withstand demanding operating conditions with a design pressure of up to 600 psi (41 bar).

  • 🏭 Commercial & Industrial Use: Ideal for water treatment facilities, small industries, food & beverage plants, and commercial buildings.

  • 🌍 Trusted Technology: Manufactured by DOW FilmTec, ensuring long-lasting reliability and consistent performance.


Technical Specifications

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

  • Production Capacity: 2,600 GPD (9.8 m³/day)

  • Nominal Salt Rejection: 99.5%

  • Active Membrane Area: 85 ft² (7.9 m²)

  • Maximum Operating Pressure: 600 psi (41 bar)

  • Maximum Feed Flow Rate: 16 gpm (3.6 m³/h)

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

  • Dimensions:

    • Length: 40 in (1016 mm)

    • Diameter: 4 in (102 mm)


Applications

  • Commercial RO water treatment systems

  • Light industrial processes

  • Food & beverage production

  • Hospitality (hotels, restaurants, catering)

  • Small municipal or community water treatment plants

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Product Full Description

DOW Filmtec BW30-4040 Membrane – High-Performance Brackish Water RO Solution

The DOW Filmtec BW30-4040 membrane is a high-performance reverse osmosis (RO) element specifically designed for brackish water desalination. Known for its superior salt rejection and reliability, the Filmtec BW30-4040 RO membrane is trusted worldwide for commercial and industrial water treatment. With a production capacity of up to 2,600 gallons per day (9.8 m³/day) and a nominal salt rejection rate of 99.5%, it ensures the delivery of clean, safe, and high-quality water.


Key Features of DOW Filmtec BW30-4040

  • High Production Capacity – Delivers up to 2,600 GPD, making it suitable for medium to large-scale RO systems.
  • Superior Salt Rejection – Maintains a 99.5% rejection rate, ensuring consistent water purity.
  • Compact 4040 Design – Standard 4-inch diameter and 40-inch length, easy to integrate into RO housings.
  • Robust Construction – Engineered for durability in demanding brackish water RO applications.
  • 85 sq. ft. Active Membrane Area – Supports efficient operation and optimized system performance.

The DuPont Filmtec BW30-4040 membrane is built to last, providing stable operation under varying feedwater conditions.


Benefits of Using the Filmtec BW30-4040 RO Membrane

  1. Exceptional Water Quality – Removes salts, contaminants, and impurities, ensuring safe drinking and process water.
  2. Energy Efficiency – Operates at lower pressure compared to other membranes in its class, reducing operational costs.
  3. Versatility – Suitable for commercial water filtration systems, industrial applications, and municipal projects.
  4. Low Maintenance – Designed for long life, requiring fewer replacements and reduced downtime.
  5. Consistent Performance – Proven reliability even under challenging feedwater conditions.

By choosing the Filmtec BW30-4040 reverse osmosis membrane, businesses and industries benefit from reduced operating costs and improved water quality.


Applications of DOW Filmtec BW30-4040

The DOW Filmtec BW30-4040 membrane is widely used across industries that require efficient brackish water treatment. Applications include:

  • Commercial water purification systems (restaurants, hotels, and office buildings)
  • Industrial RO plants (factories, manufacturing units, food & beverage processing)
  • Municipal water treatment facilities
  • Agriculture and irrigation systems where water quality is critical
  • Desalination pre-treatment systems

Its versatility makes the BW30-4040 RO element a reliable choice for professionals across multiple sectors.


Technical Specifications

  • Model: DOW Filmtec BW30-4040
  • Type: Brackish Water RO Membrane
  • Capacity: Up to 2,600 gallons/day (9.8 m³/day)
  • Salt Rejection: 99.5% nominal
  • Membrane Area: 85 sq. ft.
  • Dimensions: 4-inch diameter x 40-inch length
  • Operating Pressure: Designed for medium-pressure brackish water applications

These specifications ensure that the Filmtec BW30-4040 membrane meets industry standards for both performance and reliability.


Why Choose DOW Filmtec BW30-4040 Membrane?

The DOW Filmtec BW30-4040 is backed by DuPont’s engineering excellence, making it a global leader in membrane technology. Its ability to balance high rejection, efficiency, and durability sets it apart from other brackish water membranes.

Key reasons to choose this membrane:

  • Long-lasting performance with fewer replacements
  • Optimized for brackish water RO systems
  • Reduced energy consumption
  • Trusted by industries worldwide for consistent results

Conclusion

For businesses, industries, and municipalities seeking reliable brackish water desalination, the DOW Filmtec BW30-4040 reverse osmosis membrane is a proven solution. With its 2,600 GPD capacity, 99.5% salt rejection, and robust construction, it ensures high water quality while keeping operational costs low.

Whether you are upgrading an existing RO system or setting up a new installation, the Filmtec BW30-4040 RO element delivers long-term efficiency, durability, and excellent water purification results.

DOW Filmtec BW30-4040 Membrane

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