SW30-2540 FilmTec 2.5 x 40" Seawater Membrane

FilmTecSKU: 513SWM-001


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High efficiency SW30-2540 seawater membrane in 2.5" diameter x 40" length. This size is industry standard as a long membrane from common watermaker brands including Spectra, Stella, Selmar, FCI & Schenker. Ideal replacement membrane for onboard and offshore desalination.


  • DuPont (Dow) FilmTec - the industry standard for reliable operation
  • Spiral-wound element with polyamide thin-film composite membrane
  • Ideal for small marine and yacht seawater desalination systems
  • Durable fiberglass shell
  • High flow rate, high salt rejection
  • May also be operated at a lower pressure to reduce pump size, cost, and operating expenses


Membrane Type: Polyamide Thin Film Composite
Diameter: 2.4" (61mm) 
Length: 40" (1016mm)
Stabilised Salt Rejection: 99.4%
Permeate Flow Rate: 2.6m³/day
Max. Feed Flow Rate:
Max. Operating Pressure: 69bar
Max. Operating Temperature: 45°C
Max. Pressure Drop: 1bar
pH. Range (Continuous Cleaning): 2 - 11
pH. Range (Short-Term Cleaning): 1 - 13
Maximum Feed Silt Density Index: SDI 5
Free Chlorine Tolerance: <0.1ppm
Manufacturer Part Number: 80737
Model Number: SW30-2540

Data Sheets

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