Economical equivalents with quick delivery for replacement of water and wastewater treatment projects.    E-mail: [email protected]

TaFlux ZW 55 Series

General Information

TaFlux ZW 55 series hollow fiber UF membrane is a pressurized membrane of hollow fibers, which is designed and manufactured for the filtration of surface water, potable water, seawater and industrial wastewater. These UF modules are made of new generation PVDF hollow fiber membrane with high fouling resistance and hydrophilicity.
TaFlux ZW 55 series UF modules are applied in new systems, as well as directly connected to existing UF systems as replacements, providing high-quality filtrate by removing suspended solids, colloids, pyrogens, bacteria, viruses and other impurities to protect downstream processes.
TaFlux ZW 55 Series Hollow Fiber UF Membrane


  • Outside-to-inside flow direction
  • New generation PVDF hollow fiber
  • Uniform pore size of 0.02 μm
  • Typical filtrate quality SDI ≤ 2.5, turbidity ≤ 0.1 NTU


  • High tolerance for feed water
  • High-quality filtrate
  • Less energy needed with high flux
  • Longer service life by high fouling resistance and mechanical strength
  • Economical equivalent module for direct replacement


  • Surface water
  • Potable water
  • Industrial wastewater
  • Reclaimed water reuse
  • Pre-treatment of seawater desalination

Module Dimensions

TaFlux ZW 55 Series Hollow Fiber UF Membrane Module Dimensions



L1 (mm/inch)


D1 (mm/inch)

W (mm/inch)

Feed/Filtrate port

Concentrate port

Joint type







DN50 Victaulic

DN40 Victaulic

UPVC union


SS clamp

* Formerly TFZW7055C.

Effective membrane area

55.7 m² (600 ft²)

Membrane material

PVDF (Polyvinylidene Fluoride)

Pore size

0.02 μm

Membrane surface properties

Hydrophilic and non-ionic

Fiber ID/OD

0.65/1.2 mm (0.03/0.05 inch)

Flow direction


Housing material


Potting material

Epoxy resin

Wet weight filled with water

32 KG (70.5 lbs)

Shipping weight

37 KG (80 lbs)

Operating and Cleaning Limits

Type of operation

Dead-end flow or cross flow

Design flux (25°C)

40 - 120 L/m2·h (24 - 71 gfd)


1 - 40°C (34 - 104°F)

Maximum feed pressure (20°C)

4 bar (58 psi)

Maximum trans-membrane pressure

2.8 bar (40.6 psi)

Backwash flux (25°C)

32 - 120 L/m2·h (19.2-71 gfd)

Maximum backwash pressure

2.5 bar (36 psi)

Maximum air scour feed pressure

1.5 bar (21.8 psi)

Air scour flow

4-8.5 Nm3/hr (2.4 - 5 scfm)

pH-Continuous operation @25°C

2 - 11

pH-Cleaning @25°C

2 - 12

Maximum NaClO

1,000 mg/L

Maximum feed TSS

100 ppm

Maximum feed turbidity

300 NTU

Maximum feed particle size

300 µm

Filtrate SDI15

≤ 2.5

Filtrate turbidity

≤ 0.1 NTU

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