String-wound Depth Filter Cartridges

A Long Service Life and High Contaminant Loading Capacity 

Pall’s string-wound depth filters are designed for advanced and efficient particulate removal performance and high contaminant holding capacity. Compared to traditional polypropylene or polyester materials, these filter cartridges use woven media yarn around the core and have high chemical, temperature, and process fluid compatibility. Available with 10+ different medium options these cartridges are also an economical low-cost choice compared to depth and pleated style filters. 

Accessories Spare Parts
Accessories Spare Parts
Backwash Filters
Backwash Filters
Depth Filter Sheets
Depth Filter Sheets
Diagnostic Monitoring Equipment
Diagnostic Monitoring Equipment
Filter Capsules
Filter Capsules
Filter Cartridges
Filter Cartridges
Housings Vessels Assemblies
Housings Vessels Assemblies
Large Format Filters
Large Format Filters
Lenticular Filters
Lenticular Filters
Metal Filters
Metal Filters
Microza Hollow Fiber Modules
Microza Hollow Fiber Modules
Vent Filters
Vent Filters

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T-series Centramate™ Cassette, Omega PES membrane, 10 kDa molecular weight cut-off (MWCO), 0.01 m² effective filtration area (EFA) product photo

T-series Centramate™ Cassette, Omega PES membrane, 10 kDa molecular weight cut-off (MWCO), 0.01 m² effective filtration area (EFA)

Product ID: OS010T01
Unit of Measure
1/EA
Min Order Qty
1
Effective Filtration Area (Metric)
100 cm²
Membrane Material
Polyethersulfone (PES)
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T-series Centramate™ Cassette, Omega PES membrane, 50 kDa molecular weight cut-off (MWCO), 0.01 m² effective filtration area (EFA) product photo

T-series Centramate™ Cassette, Omega PES membrane, 50 kDa molecular weight cut-off (MWCO), 0.01 m² effective filtration area (EFA)

Product ID: OS050T01
Unit of Measure
1/EA
Min Order Qty
1
Effective Filtration Area (Metric)
100 cm²
Membrane Material
Polyethersulfone (PES)
See All Attributes
T-series Centramate™ Cassette, Omega PES membrane, 10 kDa molecular weight cut-off (MWCO), 0.02 m² effective filtration area (EFA) product photo

T-series Centramate™ Cassette, Omega PES membrane, 10 kDa molecular weight cut-off (MWCO), 0.02 m² effective filtration area (EFA)

Product ID: OS010T02
Unit of Measure
1/EA
Min Order Qty
1
Effective Filtration Area (Metric)
200 cm²
Membrane Material
Polyethersulfone (PES)
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T-series Centramate™ Cassette, Omega PES membrane, 30 kDa molecular weight cut-off (MWCO), 0.1 m² effective filtration area (EFA) product photo

T-series Centramate™ Cassette, Omega PES membrane, 30 kDa molecular weight cut-off (MWCO), 0.1 m² effective filtration area (EFA)

Product ID: OS030T12
Unit of Measure
1/EA
Min Order Qty
1
Effective Filtration Area (Metric)
1000 cm²
Membrane Material
Polyethersulfone (PES)
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DFA Capsule Nylon66 0.1µm product photo

DFA Capsule Nylon66 0.1µm

Product ID: DFA4001NIEY
Unit of Measure
1/EA
Min Order Qty
1
PolyFine-II Filter Cartridge, Highly asymmetric polysulfone, 0.2 µm, 10 in, EPDM, M3 product photo

PolyFine-II Filter Cartridge, Highly asymmetric polysulfone, 0.2 µm, 10 in, EPDM, M3

Product ID: PFT0210UEM3513
Unit of Measure
1/EA
Min Order Qty
1
Micron
0.2 µm
Poly-Fine® II, Filter Cartridges, Removal Rating 0.2 μm, Highly Asymetric Polysulfone, Length 20 Inches, EPDM product photo

Poly-Fine® II, Filter Cartridges, Removal Rating 0.2 μm, Highly Asymetric Polysulfone, Length 20 Inches, EPDM

Product ID: PFT0220UE
Unit of Measure
1/EA
Min Order Qty
1
Micron
0.2 µm
Poly-Fine® II, Filter Cartridges, Removal Rating 0.2 μm, Highly Asymetric Polysulfone, Length 4 Inches, Fluorocarbon Elastomer product photo

Poly-Fine® II, Filter Cartridges, Removal Rating 0.2 μm, Highly Asymetric Polysulfone, Length 4 Inches, Fluorocarbon Elastomer

Product ID: PFT024UV
Unit of Measure
1/EA
Min Order Qty
1
Micron
0.2 µm

Duo-Fine® , Filter Cartridges, Removal Rating 0.2 μm, Length 40 Inches

Product ID: DFN0240UEM26
Unit of Measure
12/EA
Min Order Qty
12
Removal Rating
0.2 µm
Cartridge Length (Imperial)
40 in
Cartridge Length (Metric)
1016 mm
Cartridge Length (Metric)
101.6 cm
Change Out Differential Pressure
2.4 bard
Cartridge Outer Diameter (OD) (Imperial)
2.6 in
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Duo-Fine® , Filter Cartridges, Removal Rating 0.2 μm, Length 10 Inches

Product ID: DFN0210UE
Unit of Measure
30/EA
Min Order Qty
30
Removal Rating
0.2 µm
Cartridge Length (Imperial)
10 in
Cartridge Length (Metric)
254 mm
Cartridge Length (Metric)
25.4 cm
End Configuration
Blank - DOE with elastomer gasket seals & end caps
Change Out Differential Pressure
2.4 bard
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Duo-Fine® , Filter Cartridges, Removal Rating 0.2 μm, Length 10 Inches, Nitrile, DOE with elastomer gasket seals & end caps

Product ID: DFN0210UN
Unit of Measure
30/EA
Min Order Qty
30
Removal Rating
0.2 µm
Cartridge Length (Imperial)
10 in
Cartridge Length (Metric)
254 mm
Cartridge Length (Metric)
25.4 cm
Gasket / O-Ring Material
Nitrile
End Configuration
Blank - DOE with elastomer gasket seals & end caps
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Duo-Fine® II, Filter Cartridges, Removal Rating 0.2 μm, Length 10 Inches, Blank - DOE with elastomer gasket seals & end caps

Product ID: DFNT0210UE
Unit of Measure
30/EA
Min Order Qty
30
Removal Rating
0.2 µm
Cartridge Length (Imperial)
10 in
Cartridge Length (Metric)
254 mm
Cartridge Length (Metric)
25.4 cm
End Configuration
Blank - DOE with elastomer gasket seals & end caps
Change Out Differential Pressure
2.4 bard
See All Attributes
1,592 Items

Description

String-wound filter cartridges are a type of depth filter cartridge that is made by weaving yarn (cotton, glass fiber, polypropylene, polyester, nylon, and polyphenylene sulfide (PPS))around a core usually of 304 SS or 316 SS. 

Product Highlights:
  • High chemical and temperature compatibility
  • 10+ different medium options 
  • Economical choice

Specifications

Product Attributes Values
String-Wound Filters Filter Medium
  • Bleached cotton
  • Standard cotton
  • Natural cotton
  • Glass fiber
  • Heat purified glass fiber
  • Premium polypropylene
  • Standard polypropylene
  • Rayon
  • Polyester
  • Nylon
  • Acrylic
  • Polyphenylene sulfide (PPS)
  • Polytetrafluoroethylene (fluoropolymer)

Filter Grade Range

 0.5 μm to 350 μm
Length 10.2 cm (4 in.) to 127 cm (50 in.)

Applications/Uses

Pall’s string-wound filter cartridges are used for a variety of applications, including chemicals and polymer, oil and gas, and microelectronics.

Chemicals and Polymer

  • Midstream Process Water 
  • Poly Commodity Raw Material (Fluids)
  • Poly Commodity Intermediates (Fluids)
  • Poly Engineered & Special Raw Material (Fluids)
  • Poly Engineered & Special Intermediate (Fluids)

Oil and Gas

  • Upstream Offshore Boiler Water
  • Upstream Offshore Produced Water
  • Upstream Onshore Produced Water
  • Upstream Onshore Surface Discharged Water
  • Midstream Process Water
  • Upstream Injection Water & SRU

Microelectronics

  • Acid etch systems - including Piranha Etch Solvent Strip applications
  • Most aggressive and/or high temperature acids or solvents

Chemicals

  • Polishing of chemical solutions
  • Bulk industrial chemicals
  • Solvents
  • Acids
  • Bases
  • Monomers
  • Process and cooling water

Magnetic Coatings

  • Audio
  • Video & computer tape
  • Floppy discs
  • Computer hard discs
  • Solvents

Photographic

  • Photo emulsions
  • Chemicals
  • Wash & rinse water

Oil Production

  • Well completion fluids
  • Water flood

Air & Gas

  • Compressed air
  • Instrument air
  • Nitrogen
  • Hydrogen
  • Helium
  • Freon
  • Most corrosive gases

Other

  • Solution mining
  • Deep well disposal
  • Paint
  • Ink & coatings
  • Lubricating oils
  • Electropolishing solutions
  • Plating solutions
  • Pigments & dyes
  • Cleaning fluids
  • Adhesives

FAQs

1. Which are the two series that Pall offers for string-wound filters?

Pall offers string-wound filters in the DFT Classic and Encore Series.

 

2. Why choose Pall’s string-wound depth filters?

Pall’s string-wound depth filters are designed for advanced and efficient particulate removal performance and high contaminant holding capacity. These filter cartridges have high chemical, temperature, and process fluid compatibility compared to traditional polypropylene or polyester materials and come with 10+ different medium options.