FilmTec – RO Membranes – Nanofiltration <4" - NF270-4040

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FilmTec NF270-2540 Elements are ideal for removing a high percentage of TOC and THM precursors with medium to high salt passage and medium hardness passage in commercial systems. The NF270 nanofiltration membrane is an ideal choice for surface water and ground water where good organic removal is desired with partial softening. FilmTec NF270-2540 elements are tape-wrapped.

Applied Pressure – 70 psig (4.8 bar)

Permeate Flow Rate – 2,500 gpd (9.5 m3/d)

Stabilized Salt Rejection – >97.0%


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Manufacturer Filmtec
Series <4" Nanofiltration
Model Number NF270-4040
Part Number 149987
Description Membrane Type: Polyamide Thin-Film Composite
Maximum Operating Temperature: 113°F (45°C)
Maximum Operating Pressure: 600 psig (41 bar)
Maximum Feed Flow Rate: 4040 elements 16 gpm / 2540 elements 6 gpm
Maximum Pressure Drop: Tape wrapped: 13 psig (0.9 bar) / Fiberglassed: 15 psig (1.0 bar)
pH Range, Continuous Operation: 2 - 11, Short-Term Cleaning (30 min) 1 - 12
Maximum Feed Silt Density Index: SDI 5
Free Chlorine Tolerance: < 0.1 ppm

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