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Dow Filmtec SW30-2514 Reverse Osmosis (RO) Membrane

replacement 150 GPD seawater desalination reverse osmosis (RO) membrane element

Improved Filmtec seawater reverse osmosis elements offer the highest productivity while maintaining excellent salt rejection.

  • Filmtec SW30 membrane elements have the highest flow rates available to meet the water demands of both sea-based and land-based desalinators.
  • Filmtec SW30 elements may also be operated at lower pressure to reduce pump size, cost and operating expenses.
  • Improved Filmtec seawater membrane combined with automated, precision element fabrication result in the most consistent product performance available.
Membrane Type:Thin-Film Composite (TFC)
Maximum Operating Temperature:113F (45C)
Maximum Operating Pressure:1,000 psi (69 bar)
Maximum Pressure Drop:15 psi (1.0 bar)
Maximum Feed Flow Rate:6 GPM (1.4 m3/hr)
pH Range, Continuous Operation:2-11***
pH Range, Short-Term Cleaning:1-13* (30min)
Maximum Feed Silt Density Index:5 SDI
Free Chlorine Tolerance:<0.1 ppm**
Permeate Flow Rate:150 GPD (0.6 m3/day)*
Stabilized Salt Rejection:99.4%
Filmtec SW30-2514 Reverse Osmosis (RO) Membrane

*The above benchmark values are based on the following test conditions: 32,000 ppm NaCl, 800 psi (5.5 MPa), 77F (25C), pH 8 and 2% recovery. Permeate flows for individual elements may vary +/-20%.

**Under certain conditions, the presence of free chlorine and other oxidizing agents will cause premature membrane failure. Since oxidation damage is not covered under warranty, Dow recommends removing residual free chlorine by pretreatment prior to membrane exposure. Most RO systems have carbon pre-filters for this purpose.

***Maximum temperature for continuous operation above pH 10 is 95F (35C).


   A: 14.0" (356mm)
   B: 1.19" (30.2mm)
   C: 0.75" (19mm)
   D: 2.4" (61mm)
Filmtec SW30-2514 Size Chart

Element fits nominal 2.5-inch I.D. pressure vessel.

Model Diameter Inches Length Inches Active Surface
Area ft2 (m2)
Test Pressure Permeate Flow
GPD (m3/day)
(w/ Free Shipping)
Filmtec SW30-2514
Our Stock #703080733
Dow Part #80733
2.5 14 6.5 (0.6) 800 psi 150 (0.6)
MSRP: US$560.50
Price: US$314.00
You save: $246.50

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Notice: The use of this product in and of itself does not necessarily guarantee the removal of cysts and pathogens from water. Effective cyst and pathogen reduction is dependent on the complete system design and on the operation and maintenance of the system.

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