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X-Flow

XF40

Pentair X-Flow XF40 Membrane Elements are based on hydrophilic hollow-fiber ultrafiltration membranes, composed of a PES/PVP blend. They have high mechanical and chemical strength, making them suitable for a wide range of applications. The pressurized membrane elements with inside-out configuration are the industry’s choice for the removal of bacteria, viruses, suspended solids, and colloids.

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Hollow fiber ultrafiltration

Features

  • Removal of microorganisms
    • 99.9999% (LOG6) reduction of bacteria (Pseudomonas diminuta)
    • 99.99% (LOG 4) reduction of viruses (MS2 coliphages) by mechanical means
  • High membrane packing density: One of the industry’s smallest free volume in a membrane elements
  • 100% integrity testing on individual fibers
  • Individual fiber repair
  • Very good antifouling behavior
  • Typical permeate quality:
    • SDI < 3
    • Turbidity < 0.1NTU
  • Excellent chemical resistance:
    • Wide pH range: 2 – 12
    • High chlorine stability:maximum free chlorine 250 mg/l
  • Typical high permeability: low energy consumption

Functional description

The core of the XF40 Membrane Element is the single-fiber, inside-out filtration process that delivers a robust solution. Mode of operation is dead-end with regular backwash (permeate only) and chemically enhanced backwash.The Membrane Elements are operated horizontal and can be utilized in Pentair X-Flow's Xiga Solution.

Fields of application

Potable water production 

The X-Flow XF40 Membrane Elements provide superior separation performance and effective rejection of viruses and chlorine-resistant organisms such as Cryptosporidium and Giardia.

Process water production
The Membrane Elements offer an effective barrier to suspended solids and silt. The permeate can be used directly or, if salinity and dissolved solids are not within the required limits, the permeate can be fed to a downstream RO system.

Effluent polishing
The X-Flow XF40 are a reliable solution to meeting the highest standards for turbidity and microbiology. The polished effluent is ready for high- grade and unrestricted reuse applications.

Pretreatment for Seawater Reverse Osmosis (SWRO) systems
X-Flow's XF40 offer an effective barrier to suspended solids and silt. The almost total removal of suspended solids protects the SWRO from fouling.

Typical applications are the filtration of surface water, large-scale drinking and process water production and pretreatment for SWRO.

Specifications

XF40

Membrane surface area
40 m²
Module dimensions (dxl)
8" x 1527.5 mm
Housing material
PVC
Membrane material
PES/PVP
Hydraulic membrane diameter
0.8 mm
Nominal pore size
20 nm

The Pentair X-Flow XF40 Membrane Element is formally known as Xiga 40 and Seaguard 40.

Featured cases

CocaCola slider image

wakefield, united kingdom

potable water production

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Emalalheni (Witbank) South Africa

Acid mine drainage

WTE-Moscow slider image

South-West Moscow

Surface water

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