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Datasheet summary

NFS TFC 100-250Da

Engineering summary from PDF text extraction for NFS TFC 100-250Da. Verify every value with the OEM datasheet.

Summary

Product identification

The Synder Filtration Nanofiltration TFC Spiral-Wound Element, NFS (100-250Da), is engineered to provide superior separation performance. It is known for stable flux and high sulfate rejection, making it ideal for applications such as seawater sulfate removal in the oil and gas industry.

  • Polymer: Proprietary PA TFC
  • Approx. Molecular Weight Cutoff: 100-250Da

Operating limits

Recommended Operating Parameters

  • Maximum Operating Pressure:
    • 600psi (4,137kPa) if T < 95°F (35°C)
    • 435psi (3,000kPa) 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 < 30min): 50°C (122°F)
  • pH Range @ Max Temperature: 2-11
  • pH Range @ Ambient Temperature: 2-11

Feed water

  • Chlorine Tolerance: 500ppm hours, dechlorination recommended.
  • NF membranes greatly reduce levels of hardness, nitrates, sulfates, tannins, turbidity, color, TDS, and moderate levels of salt from feed water streams.

Product water

  • Typical Operating Flux: 30-40 GFD
  • Avg MgSO₄ Rejection: 99.5%
    • Test Conditions: 2,000ppm MgSO₄ solution at 110psi (760kPa) operating pressure, 77°F (25°C)
  • Avg NaCl Rejection: 50.0%
    • Test Conditions: 2,000ppm NaCl solution at 110psi (760kPa) operating pressure, 77°F (25°C)
  • Avg Lactose Rejection: 99.5%
    • Test Conditions: 2% Lactose solution at 110psi (760kPa) operating pressure, 77°F (25°C)

Mechanical / hydraulic

Pressure Drop

  • Maximum per Element: 15psi (103kPa)
  • Maximum per Housing: 60psi (414kPa)

Element Dimensions & Weight

Element Model NumberDiameter (B) in (cm)Length (A) in (cm)PWT ID/OD in (cm)Tube Extension (C) in (cm)Dry Weight lb (kg)
1.8”
1812TM1.8” (4.6)11.75” (29.8)0.675” (1.71)0.75” (1.90)1.0 (0.9)
2.5”
2519HF2.4” (6.1)19.0” (48.3)0.625” (1.59)-3.0 (1.4)
2540TM2.4” (6.1)40.0” (101.6)0.75” (1.90)1.0” (2.54)6.0 (2.7)
2540HF2.4” (6.1)40.0” (101.6)0.625” (1.59)-6.0 (2.7)
2540HM2.4” (6.1)40.0” (101.6)0.75” (1.90)1.0” (2.54)6.0 (2.7)
4”
4040TM3.9” (9.9)40.0” (101.6)0.75” (1.90)-12.0 (5.5)
4040HM3.9” (9.9)40.0” (101.6)0.75” (1.90)1.0” (2.54)12.0 (5.5)
4040HF3.9” (9.9)40.0” (101.6)0.625” (1.59)-12.0 (5.5)
8”
8040HF7.9” (20.1)40.0” (101.6)1.125” (2.86)-35.0 (15.9)

NF Membrane Area (Sq. Ft.)

ElementFeed Spacer (in mils) 24Feed Spacer (in mils) 31Feed Spacer (in mils) 46Feed Spacer (in mils) 65Feed Spacer (in mils) 80
1812TM43.42.62.01.6
2540HF3530231715
2540HM3328211614
4040HF9987685143
4040HM9682645042
8040HF440380293227193

Recommended Element Cross Flow Rate

ElementFeed Spacer (in mils) 24Feed Spacer (in mils) 31Feed Spacer (in mils) 46Feed Spacer (in mils) 65Feed Spacer (in mils) 80
1.8” m³/hr0.40.50.60.60.6
1.8” gpm1.82.02.42.52.6
2.5” m³/hr1.21.41.61.82.1
2.5” gpm56789
4” m³/hr24556
4” gpm1018212324
8” m³/hr1011131415
8” gpm4348556164

The recommended cross flow rate will be subject to differential pressure limitations and specific applications.

NF Series Benefits

  • 30% increase in efficiency versus leading competitors and potential reduction in NF footprint.
  • Excellent MgSO₄ and Na₂SO₄ rejection.
  • Operation at lower pressures than Reverse Osmosis membranes and still achieve excellent rejection of divalent and multivalent ions.

Technical Notes

For element sizes not listed, contact Synder Filtration for details; custom element design is available. Elements are available with or without a controlled bypass tail, and additional feed spacers are available. Trials should be conducted to determine optimal application conditions.


Disclaimer: This summary is based solely on the provided text extract. The original OEM PDF datasheet may contain additional figures, footnotes, or more recent revisions. For contractual purposes, always refer to the specific OEM PDF revision used on the project.

Official datasheet (PDF)

PDF datasheet

Curated from selected public technical reference material for discovery and preliminary comparison. This summary is not a substitute for a current certified manufacturer datasheet. Verify revisions and design limits before use.