Filmtec NF270-4040 Nanofiltration Membrane Element 2500 GPD (4.0″ x 40″)

Specifications

• Part Number: NF270-4040
• Alternative Part Number: 149987
• Membrane Features: Good natural organic matter (NOM) removal and partial softening
• Applied Pressure: 70 PSI
• Permeate Flow Rate: 2,500 GPD (9.5 m³/day)
• Salt Rejection: >97%
• Product Type: Polyamide Thin-Film Composite

Operating Limits

• Maximum Operating Temperature: 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
• 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

Applications

• Production of municipal drinking water