The SW30-2540 is a 2.5" × 40" DuPont FilmTec seawater RO membrane designed for high-TDS applications. It delivers 700 GPD at 99.4–99.7% stabilized salt rejection and is built for the higher pressures required in marine and small-scale desalination systems.
Technical Specifications
Permeate Flow: 700 GPD (2.6 m³/day)
Stabilized Salt Rejection: 99.4–99.7%
Maximum Operating Pressure: 800–1,000 psi (varies by datasheet revision)
Element Size: 2.5" diameter × 40" length
Membrane Type: Thin-Film Composite (TFC)
Active Area: ~29 ft²
Designed For: Seawater and high-salinity applications
Key Features
99.4–99.7% salt rejection for seawater
700 GPD permeate flow
2.5" × 40" element
Rated for high-pressure seawater service
FilmTec thin-film composite construction
Applications
Marine and boat systems
Small-scale seawater desalination
High-TDS commercial applications
Land-based or mobile RO units
At KnappRO Chicago we stock genuine DuPont FilmTec membranes with fast shipping from our U.S. warehouse. Need help choosing the right membrane? Contact our team for expert guidance.
