Economical equivalent membranes with quick delivery for replacement in water and wastewater treatment projects.

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  • Siemens W2T125825 Equivalent
Siemens W2T125825 Equivalent

Siemens W2T125825 Equivalent

Equivalent, equivalence, replacement, alternative, analog, retrofit, analogue, derivative, substitution: Siemens W2T125825

General Information

TFNF90-8040-34PRO is manufactured as an equivalent, replacement, alternative, retrofit, analogue and derivative to Siemens W2T125825 nanofiltration membrane module.
TaFlux NF90 series TFNF90-8040-34PRO nanofiltration membrane elements offer molecular weight cut-off (MWCO) of 90 Da for precision separation, enabling tailored selectivity for divalent ion retention, organic molecule fractionation, or monovalent salt permeation.
Operating at 50-80% lower pressure than traditional RO systems, these membranes achieve energy-efficient separation with minimal operational costs and lower lifecycle cost. 

Features & Advantages

  • Advanced contaminant removal
  • High organic matter removal
  • Energy-efficient performance
  • Economical equivalent element for direct replacement of Siemens W2T125825

Applications

  • Municipal drinking water
  • Industrial process water
  • Water reuse
  • Wastewater treatment

Specifications

Configuration: Low fouling spiral wound element

Membrane Polymer: Polyamide thin-film composite

Performance

Element Model
Membrane Active Area
ft2 (m2)
Feed Spacer
mil (mm)

Permeate
Flow Rate*
GPD (m3/d)

Stabilized Salt
Rejection**

TFNF90-8040-34PRO
400 (37.2) 34 (0.864) 10,500 (39.7) ≥98.7%

Standard test conditions:

The above performance is initial (data record after 30 minutes of operation), based on the following conditions:

2,000 ppm MgSO4

70 psi (4.8 bar) operating press ure

25°C (77°F) operating temperature

15% permeate recovery

*Permeate flow for individual elements may vary but will be no more than ±15%.

**Stabilized salt rejection is generally achieved within 24-48 hours of continuous use; depending on feed water characteristics and operating conditions.

Element Dimensions

Siemens W2T125825 Equivalent Nanofiltration membrane dimension

* Each 8040 membrane element supplied with one interconnector (coupler) with four O-rings.

All 8040 elements fit nominal 8.0 inch (203.2 mm) I.D. pressure vessels.

Operating and Cleaning Limits
Maximum Operating Pressure
600 psi (41 bar)
Maximum Operating Temperature
45°C (113°F)
Maximum Chlorine Concentration
0.1 ppm
pH Range, Continuous
2 - 11
pH Range, Cleaning
1 - 13
Maximum Feed SDI (15 mins)
5
Maximum Element Pressure Drop
15 psi (1 bar)
Maximum Feed Flow
17 m3/h (8040)

* The limits shown above are for general applications. For specific projects, operating at more conservative values may ensure the best performance and longest life of the membrane element.
We offer various nanofiltration membrane module equivalents. If you and your customer accept Siemens W2T125825 equivalent nanofiltration membrane, please send us an inquiry now.


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