Filmtec NF90-4040 Nanofiltration Membrane Element 2000 GPD (4.0" x 40")

PRODUCT DOCUMENTATION

• Filmtec NF90-4040 Membrane Element Specification
• Filmtec Principle of Reverse Osmosis and Nanofiltration
• Filmtec Element Characteristics
• Filmtec Membrane Construction
• Filmtec RO and NF Membranes Performance

Filmtec NF90 Series Nanofiltration membranes are typically used in water softening. The NF90 Membrane elements have sodium chloride rejection of between 90-96% and magnesium sulfate rejections of (98+ %).

SPECIFICATION 

• Part Number: NF90-4040
• Alternative Part Number: 149983
• Removes nitrate, iron and organic compounds such as pesticides, herbicides and THM
• Partial softening 
• Applied pressure (70 PSI)
• Permeate Flow Rate: 2000 gpd, 7.6 m3/d
• Salt Rejection: >97%
• Product Type: Polyamide Thin-Film Composite

OPERATING LIMITS

• Maximum Operating Temperature a 113°F (45°C)
• Maximum Operating Pressure 600 psig (41 bar)
• Maximum Feed Flow Rate: 16 gpm (3.6 m3/hr)
• Maximum Element Pressure Drop 13 psig (3.8 bar)
• pH Range, Continuous Operation 2 – 11
• pH Range, Short-Term Cleaning (30 min.) 1 – 12
• Maximum Feed Silt Density Index (SDI) SDI 5
• Free Chlorine Tolerance  < 0.1 ppm

USE IN

• Production of municipal drinking water