Hydranautics Seawater RO Membrane SWC5-LD-4040

Hydranautics SWC seawater desalination membranes are high productivity elements offering the highest levels of salt rejection and a consistently pure end product.

Hydranautics Seawater RO Membrane SWC5-LD-4040

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  • Model Name: SWC5-LD-4040
  • Length: 40”
  • Diameter: 4”
  • Weight: 8 lbs
  • Feed Spacer: 34 mil
  • Active Membrane: 80 ft²
  • Membrane Type: Low Fouling Thin Film Composite
  • Operating Pressure: 800 PSI
  • Maximum Pressure: 1200 PSI
  • Permeate Flow Rate: 1750 GPD
  • Nominal Salt Rejection: 99.7%

Hydranautics Corporate Brochure

Hydranautics Seawater RO Membrane SWC5-LD-4040

Membrane Formulations are designed to accommodate varying levels of seawater salinities worldwide with reliable field-proven performance. SWC5-LD-4040 membranes feature Hydranautics LD Technology — high-performance RO technology that helps reduce fouling from colloidal particles and biological growth. LD Technology uses proprietary feed spacers to reduce bio-growth (NSF 61 approved For drinking water). This innovative feed spacer design prevents trapping of small colloidal particles and improves the effectiveness of cleanings.

  • High permeate flow
  • High salt rejection — 99.8% (99.7% minimum)
  • 92% boron rejection
  • Lowest biological and colloidal fouling
  • Greater tolerance to high pH cleanings
  • Lower energy consumption
  • Replaces SWC6-4040.

  • Maximum Operating Temperature: 113 °F (45 °C)
  • Chlorine Tolerance: 0.1 PPM
  • pH Range, Continuous Operation: 2-11
  • pH Range, Short Term Cleaning (30min): 1-13
  • Maximum Feed Water Turbidity (NTU): 1
  • Maximum Feed Water Silt Density Index (SDI): 5
  • Maximum Pressure Drop For Each Element: 10 psi
  • Maximum Feed Flow: 16 GPM

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