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Hydranautics BW CPA3-8040 RO Membrane

Hydranautics brackish water CPA3-8040 RO membranes are regarded as the industry standard for all critical high purity applications. Hydranautics CPA3 membranes set the standard for high performance RO membrane elements.

CPA3 is the third generation CPA high rejection brackish water RO membranes. This membrane at 99.7% rejection is an upgrade to the CPA2 with 10% more membrane area (400 square feet). This resulted in reduced capital costs by requiring fewer pressure vessels and less floor space. CPA3 membranes also have a thicker (31 mil) feed spacer that exhibits higher tolerance to feed water suspended solids.

CPA lines of spiral-wound RO membranes are available in a variety of sizes and deliver unmatched performance with the highest salt rejection rates for brackish water applications. High throughput, efficiency and cost-effectiveness make CPA membranes the best high-rejection brackish water RO membranes in the industry. CPA membranes are ideal for power generation, pharmaceutical, electronics and semiconductor industry.


  • Desalting of Well Waters
  • Municipal Drinking Water
  • Power Generation Industry
  • Electronics and Semiconductor Industry

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