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  • IPD-51 Equivalent
IPD-51 Equivalent

IPD-51 Equivalent

Equivalent, replacement, alternative, analog, retrofit, analogue: DuPont DOW IntegraPac IPD 51, IPD-51, IPD51

General Information

TFIM-51D is manufactured as an equivalent, direct replacement, alternative, analog, retrofit and analogue to replace DuPont DOW IntegraPac IPD-51 (IPD51) UF membrane module.
TFIM-51D membrane modules are pressurized integrated modules, which are designed and manufactured for the filtration of surface water, potable water, drinking water, food & beverage water and pre-treatment of sea water desalination etc. These UF modules are made of new generation PVDF hollow fiber membrane with high fouling resistance and hydrophilicity.
TaFlux IM 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.


  • Outside-to-inside flow direction
  • New generation PVDF hollow fiber
  • Nominal pore size of 0.03 μm
  • Typical filtrate quality SDI ≤ 2.5, turbidity ≤ 0.1 NTU


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


  • Surface water
  • Potable water
  • Drinking water
  • Beverage clarification
  • Pre-treatment of sea water desalination

Module Dimensions


DOW IPD-51 Equivalent Module Dimensions

Part number








Drinking Water

1988±3 mm

(78.3±0.1 inch)

1689±3 mm

(66.5±0.1 inch)

1500±3 mm

(59.1±0.1 inch)

225 mm

(8.9 inch)

360 mm

(14.1 inch)




Part number


Effective membrane area

51 m² (549 ft²)


49 L (13 gallon)

Dry weight

53 KG (102 lbs)

Wet weight filled with water

117 KG (225 lbs)

Membrane material

PVDF (Polyvinylidene Fluoride)

Fiber ID/OD

0.7/1.3 mm (0.02/0.05 inch)

Flow direction


Pore size

0.03 μm

Housing material


Clamp material

Stainless Steel

Potting material

Epoxy resin/Polyurethane

Feed, concentrate connector

DN100 coupling

Filtrate connector

DN40 union

Air connector


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)



Maximum feed pressure(20°C)

6.25 bar(90.6 psi)

Maximum feed pressure(40°C)

 4.75 bar(68.8 psi)

Maximum trans-membrane pressure

2.1 bar(30.5 psi)

Backwash flux(25°C)

80-120 L/m2·h(48-71 gfd)

Maximum backwash pressure

2.5 bar(36 psi)

Maximum air scour feed pressure

2.5 bar(36 psi)

Maximum air scour flow

4-12 Nm3/hr(2.4-7.1 scfm)

pH-Continuous operation @25°C


Maximum NaClO

 2,000 mg/L

Maximum feed TSS

100 ppm

Maximum feed turbidity

300 NTU

Maximum feed particle size

 300 µm

Filtrate SDI15


Filtrate turbidity

≤0.1 NTU

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