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  • AK-400 LE Equivalent
AK-400 LE Equivalent

AK-400 LE Equivalent

Equivalent, equivalence, replacement, alternative, analog, retrofit, analogue, derivative, substitution: Veolia Suez GE AK-400 LE, AK400LE

General Information

TFXLP-8040-34A is manufactured as an equivalent, replacement, alternative, retrofit, analogue to Veolia Suez GE AK-400 LE (AK400LE) RO membrane element.
Veolia Suez GE AK-400 LE equivalent reverse osmosis membrane elements TFXLP-8040-34A are developed for energy saving for water treatment in low TDS environments, ideal for the desalination of municipal water, groundwater with less than 1,000 ppm.
TFXLP-8040-34A reverse osmosis membrane element provides reliable performance and long service life at an extra low feed pressure, and can be widely used in pure water preparation and related industries.

Features & Advantages

  • Extreme low working pressure
  • Energy saving
  • Economical efficiency
  • Economical equivalent element for direct replacement to Veolia Suez GE AK-400 LE


  • Potable water
  • Commercial water system
  • Industrial process water


  • Configuration: Spiral wound element
  • Membrane Polymer: Polyamide thin-film composite


Element Model

Membrane Active Area

ft2 (m2)

Feed Spacer

Mil (mm)

Permeate Flow Rate*

GPD (m3/d)

Stabilized Salt Rejection**

Minimum Salt Rejection


400 (37.2)

34 (0.864)

10,500 (39.7)



Standard test conditions:
The above performance is initial (data record after 30 minutes of operation), based on the following conditions:
500 ppm NaCl solution
100 psi (7 bar) operating pressure
25°C (77°F) operating temperature
15% permeate recovery
7.5-8 pH range
*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
Veolia Suez GE AK-400 LE Equivalent RO Membrane Element Dimensions


Length L
inch (mm)

Diameter D
inch (mm)

Permeate tube inner diameter d
inch (mm)


40 (1,016)

7.9 (201)

1.125 (28.6)

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)


Maximum Element Pressure Drop

15 psi (1 bar)

Maximum Feed Flow

17 m3/h

Minimum Ratio of Concentrate to Permeate Flow for Each Element


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.

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