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WaterSolutions DOW FILMTEC NF270-400

The DOW™ FILMTEC™ NF270-400 elemant is a high area, high productivity element designed to remove a high percentage of TOC and THM precursors while having a medium to high salt passage and medium hardness passage.

The DOW FILMTEC NF270-400 element is an ideal element for surface and ground water applications where good organic removal is desired with partial softening in order to maintain a minimum level of hardness for organoleptic properties and preservation of distribution networks.

The high active area membrane combined with low net driving pressure of the membrane allows the removal of these compounds at low operating pressure.

Nominal Active Surface Area ft² (m²)	Permeate Flow Rate gpd (m³/d)		Typical Salt Passage (%)
400 (37)	Typical CaCl₂: 14,700 (55.6) MgSO₄: 12,500 (47.3)		CaCl₂: 40-60 MgSO₄: 97

Permeate flow and salt passage based on the following test conditions:
- 500 mg/l CaCl₂, 70 psi (0.48 MPa), 77ºF (25ºC) and 15% recovery
- 2,000 mg/l MgSO₄, 70 psi (0.48 MPa), 77ºF (25ºC) and 15% recovery
Flow rates for individual elements may vary +/-15%.
The above specifications are benchmark values. Pleasee be sure to operate according to our system design guidelines.

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Product Datasheet (PDF)
English (122KB) | Chinese (36KB)

Case Histories

FILMTEC NF270-400 Element Helps National Park Service Improve Water Quality (PDF)
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FILMTEC Membranes Nanofiltration Produces Sparkling Clean Water for Swedish Resort Community (PDF)
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