DuPont FilmTec™ SW30-4040 is a premium seawater reverse osmosis membrane designed for marine desalination systems, seawater treatment plants, offshore applications, and industrial water purification projects. Known worldwide for its reliability and excellent salt rejection performance, the SW30-4040 membrane delivers high-quality permeate water even in demanding seawater conditions.

High Performance Seawater Desalination Reverse Osmosis Membrane

The SW30-4040 is engineered to provide maximum productivity while maintaining superior desalination efficiency, making it one of the most trusted seawater RO membranes in the industry.

Technical Specifications

Model: SW30-4040

Brand: DuPont FilmTec™

Membrane Type: Polyamide Thin Film Composite (TFC)

Element Size: 4 Inch x 40 Inch (4040)

Active Membrane Area: 80 ft² (7.4 m²)

Permeate Flow Rate: 1,950 GPD (7.4 m³/day)

Stabilized Salt Rejection: 99.4%

Applied Test Pressure: 800 PSI (55 Bar)

Maximum Operating Pressure: 1,000 PSI (69 Bar)

Maximum Operating Temperature: 45°C

Maximum Feed Flow Rate: 16 GPM

pH Range Continuous Operation: 2 – 11

pH Range Cleaning: 1 – 13

Maximum SDI: 5

Free Chlorine Tolerance: <0.1 ppm

Feed Water Type: Seawater

Applications

Seawater Desalination Plants

Marine Watermakers

Offshore Platforms

Hotels & Resorts Near Coastal Areas

Island Water Treatment Systems

Industrial Seawater RO Plants

Yacht & Ship Watermakers

Municipal Desalination Projects

Food & Beverage Industries

High Salinity Water Treatment Systems

Benefits of SW30-4040

Excellent Salt Removal Efficiency

High Quality Fresh Water Production

Reliable Long-Term Performance

Reduced Energy Consumption

Lower Operating Costs

Stable Water Output

Easy System Integration

Industry Proven Technology

Ideal for Marine & Coastal Applications

Why Choose FilmTec SW30-4040?

Global Industry Standard for Seawater RO

Excellent Desalination Performance

Trusted DuPont Membrane Technology

High Productivity with Superior Rejection

Long Operational Life

Suitable for Demanding Seawater Conditions

Used Worldwide in Marine Applications

Why Buy From Us?

100% Genuine FilmTec™ Membranes

Competitive Industrial Pricing

Bulk Quantity Supply Available

Technical Support Assistance

Fast Dispatch Across India

GST Billing Available

Trusted Water Treatment Supplier

Pan India Delivery

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