NFX TFC 150-300Da

Summary

Product identification

• Product Type: Nanofiltration TFC Spiral-Wound Element
• Series: NFX
• Approximate Molecular Weight Cutoff: 150-300 Da
• Membrane Polymer: Proprietary PA TFC

Operating limits

• Maximum Operating Pressure:
  • 600 psi (4,137 kPa) if T < 95°F (35°C)
  • 435 psi (3,000 kPa) if T > 95°F (35°C)
• Maximum Temperature: 50°C (122°F)
• pH Range @ Max Temperature: 3-9.5
• pH Range @ Ambient Temperature: 3-10.5

Cleaning Parameters

• Maximum Temperature (Short term < 30 min): 50°C (122°F)
• pH Range @ Max Temperature: 2-11
• pH Range @ Ambient Temperature: 2-11

Feed water

• Chlorine Tolerance: 500 ppm hours; dechlorination recommended
• Benefits for Feed Water Streams:
  • Excellent MgSO₄ and Na₂SO₄ rejection.
  • Reduces levels of hardness, nitrates, sulfates, tannins, turbidity, color, TDS, and moderate levels of salt.
  • Achieves excellent rejection of divalent and multivalent ions at lower pressures than Reverse Osmosis membranes.

Product water

• Typical Operating Flux: 25-30 GFD
• Rejection Performance (Test Conditions: 2,000 ppm solution at 110 psi (760 kPa) operating pressure, 77°F (25°C)):
  • Minimum Lactose Rejection: 99.0%
  • Average MgSO₄ Rejection: 99.0%
  • Average NaCl Rejection: 40%

Mechanical / hydraulic

• Pressure Drop:
  • Maximum per Element: 15 psi (103 kPa)
  • Maximum per Housing: 60 psi (414 kPa)
• Element Dimensions & Weight: Specific models include 1812TM, 2519HF, 2540TM, 2540HF, 2540HM, 4040TM, 4040HM, 4040HF, 8040HF. See the official PDF for exact tabulated values for diameter, length, PWT ID/OD, tube extension, and dry weight for each model.
• NF Membrane Area (sq. ft.): Varies by element model and feed spacer (24, 31, 46, 65, 80 mils). See the official PDF for exact tabulated values.
• Recommended Element Cross Flow Rate: Varies by element size (1.8", 2.5", 4", 8" diameters) and feed spacer (24, 31, 46, 65, 80 mils). See the official PDF for exact tabulated values. The recommended cross flow rate is subject to differential pressure limitations and specific applications.

Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions. Contractual data must match the OEM PDF revision used on the project.

Official datasheet (PDF)

PDF datasheet