Hydrocomponents & Technologies Inc.

SW30-2521 FilmTec™ DuPont / DOW Desalination Machine Watermaker Seawater Membranes

$287.29 USD

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DuPont FilmTec SW30-2521 Seawater RO Membrane

The DuPont FilmTec SW30-2521 is a high-performance, industrial-grade seawater reverse osmosis (RO) membrane engineered for demanding desalination applications. Utilizing advanced polyamide thin-film composite technology, this 2.5-inch by 21-inch spiral-wound element is designed to provide exceptional salt rejection while maintaining high productivity. It is widely specified for continuous-duty commercial and marine watermakers, including yacht desalination systems, offshore platforms, and land-based seawater treatment facilities. The membrane's robust construction ensures reliable, long-term performance even in high-salinity feed water environments.

Designed for operational flexibility, the SW30-2521 delivers a nominal permeate flow rate of 300 GPD (1.1 m³/d) with a stabilized salt rejection of 99.4% under standard test conditions. The element operates at a test pressure of 800 PSI, allowing for efficient separation of dissolved solids from seawater. Its ability to maintain high flux at this pressure range helps minimize energy consumption for high-pressure booster pumps, providing an optimized solution for small-to-medium scale desalination systems. By combining automated precision fabrication with industry-standard membrane chemistry, this element delivers the consistent, reliable liquid purification required for mission-critical marine and industrial systems.

SPECIFICATION	DETAILS
Model Number	SW30-2521
Manufacturer	DuPont (FilmTec)
Element Type	Seawater RO Membrane
Membrane Technology	Polyamide Thin-Film Composite
Permeate Flow Rate	300 GPD (1.1 m³/d)
Stabilized Salt Rejection	99.4%
Test Pressure	800 PSI (55 bar)
Max Applied Pressure	1,000 PSI (69 bar)
Active Surface Area	13 ft² (1.2 m²)
Max Operating Temp	113°F (45°C)
Dimensions (D x L)	2.5" x 21" (61 mm x 533 mm)

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