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TFAF55 UF Membrane Module


TFAF55 UF Membrane Module

Product No.:TFAF55

  • Details

General Information

TFAF55 is manufactured as an equivalent, direct replacement, alternative, analog, retrofit and analogue to replace Aquaflex 55, which is an ultrafiltration module, used for production of process, potable and wastewater. Major applications are the filtration of surface water, potable water, industrial wastewater and municipal effluent. TFAF55 uses naturally hydrophilic PES hollow fiber ultra-filtration membrane with excellent performance, so customers are using many of them as ultrafiltration (UF) module equivalents.
The mode of operation is feed-and-bleed with a minor cross flow or dead-end with regular backwash (with filtrate only) and chemically enhanced backwash.


  • A nominal pore size of 0.02 μm
  • Microporous symmetric structure
  • Naturally hydrophilic membrane composed of a blend of polyethersulfone and polyvinylpyrrolidone
  • High performance and very good anti-fouling characteristic
  • Typical filtrate quality SDI < 3, turbidity < 0.1 NTU
  • Membrane filtration provides 99.9999% (LOG 6) reduction of bacteria (Pseudomonas diminuta) and 99.99% (LOG 4) reduction of virus (MS2 colifages) by mechanical means.


  • High quality raw material
  • High thermal and chemical solvent resistance
  • High chemical tolerance for cleaning
  • Optimized design, high resistance to fouling
  • Direct and economical module replacement


  • Surface water
  • Potable water
  • Seawater desalination
  • Pre-treatment of industrial water
  • Industrial wastewater
  • Municipal sewage

Module Dimensions

Aquaflex 55 Equivalent Module Dimensions

Physical and Operating Specifications





Effective membrane area (m²/ft²)


Fiber diameter (mm/inch)


Membrane material


Housing material

PVC, white

Flow distributor material


Potting material

Polyurethane resin

Max. system pressure

300 kPa (43 psi)

Max. trans-membrane pressure

300 kPa (43 psi)

Max. backwash pressure

300 kPa (43 psi)

Temp. range

0-40℃ (32-104°F)

pH-Continuous operation @ 25℃


pH-CIP @ 25℃


Dry weight of membrane module

34 kg/75 lbs

Wet weight filled with water

66 kg/145 lbs

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