NF-4040 Nano Filtration element
NF-4040 Nano Filtration element

NF-4040 Nano Filtration element

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Model Number: NF-4040 NF40-4040 NF40-8040 NF70-400 NF70-4040 NF90

Maximum feed flow rate, gpm (m3/h) : 16 (3.6)

Typical recovery rate (%) : 15

Maximum operating temperature : 113°F (45°C）

Maximum operating pressure : 600 psig (41 bar)

Maximum pressure drop : 15 psig (1.0 bar)

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Product Details

NF-4040 membrane elements provide high productivity performance while removing a high percentage of salts, nitrate, iron, and organic compounds such as pesticides, herbicides, and THM precursors.

Typical Properties

1. Permeate flow and salt rejection based on the following test conditions: 2,000 ppm MgSO4, 130 psig (8.9 bar), 77°F (25°C), pH 8 and 15% recovery.

2. Target water flow rates for new elements are: NF-2540 – 920 gpd (3.5 m3/d), NF-4040 – 3,050 gpd (11.5 m3/d), NF-400 – 13,700 gpd (51.9 m3/d).

3. Minimum MgSO4 rejection is 98.0%. Stabilized rejection is >99%.

4. Product specifications may vary slightly as improvements are implemented. 

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