FilmTec™ SW30HRLE-440

Seawater High Permeate Quality Reverse Osmosis Membrane Element with Higher Productivity


General Information

  • Keep elements moist at all times after initial wetting.
  • For successful operation of Reverse Osmosis (RO) and Nanofiltration (NF) membrane systems, the operation must follow the guidelines provided in the FilmTec™ Reverse Osmosis / Nanofiltration Elements Operation Excellence and Limiting Conditions Tech Fact.
  • To prevent biological growth during prolonged system shutdowns, it is recommended that membrane elements be immersed in a preservative solution.
  • The customer is fully responsible for the effects of incompatible chemicals and lubricants on elements.
  • Avoid static permeate-side backpressure at all times.



Operating and Cleaning Limits
Membrane Type  Polyamide Thin-Film Composite
Maximum Operating Temperature  113°F (45°C)
Maximum Operating Pressure  1200 psig (83 bar)
Maximum Element Pressure Drop
Per element
Per pressure vessel (minimum 4 elements)
15 psig (1.0 bar)
50 psig (3.5 bar)
pH Range
Continuous Operation
Short-Term Cleaning (30 min)
2 – 11
1 – 13
Maximum Feed Silt Density Index (SDI  SDI 5
Free Chlorine Tolerance  < 0.1 ppm