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. 

Filter Cartridges
Filter Cartridges

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Filter Cartridge Style

Code 7

Poly-Fine® II Filter Cartridge, PFT02510USM7W480 product photo

Poly-Fine® II Filter Cartridge, PFT02510USM7W480

Product ID: PFT02510USM7W480
Unit of Measure
12/EA
Min Order Qty
12
Micron
0.25 µm
Poly-Fine® II Filter Cartridge, PFT02530USM7W480 product photo

Poly-Fine® II Filter Cartridge, PFT02530USM7W480

Product ID: PFT02530USM7W480
Unit of Measure
1/EA
Min Order Qty
1
Micron
0.25 µm
Poly-Fine® II Filter Cartridge, PFT0830UEM7W480 product photo

Poly-Fine® II Filter Cartridge, PFT0830UEM7W480

Product ID: PFT0830UEM7W480
Unit of Measure
1/EA
Min Order Qty
1
Micron
0.8 µm
Poly-Fine® II, Filter Cartridges, Removal Rating 0.8 μm, Polypropylene, Length 30 Inches, FEP encapsulated Fluorocarbon Elastomer Orings product photo

Poly-Fine® II, Filter Cartridges, Removal Rating 0.8 μm, Polypropylene, Length 30 Inches, FEP encapsulated Fluorocarbon Elastomer Orings

Product ID: PFT0830UFM7
Unit of Measure
1/EA
Min Order Qty
1
Micron
0.8 µm

Profile® Star Filter Cartridge, AB1A0507WH4

Product ID: AB1A0507WH4
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
5 µm
Membrane Material
Polypropylene
Filter Cartridge Style
Code 7
Cartridge Length (Imperial)
10 in
Cartridge Length (Metric)
254 mm
Cartridge Length (Metric)
25.4 cm
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Oenopure™ Filter Cartridges, AB1GB7WH4

Product ID: AB1GB7WH4
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
0.45 µm
Membrane Material
Hydrophillic Polyethersulfone
Effective Filtration Area (Metric cm²)
0.6 cm²
Filter Cartridge Style
Code 7
Cartridge Length (Imperial)
10 in
Cartridge Length (Metric)
254 mm
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This product is currently not available. Please contact us for more information.

Fluorodyne® II Filter Cartridges, AB1FSD7WH4

Product ID: AB1FSD7WH4
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
0.2 µm
Membrane Material
Hydrophilic polyvinylidene fluoride (PVDF)
Effective Filtration Area (Metric m²)
0.55 m²
Filter Cartridge Style
Code 7
Cartridge Length (Imperial)
10 in
Cartridge Length (Metric)
254 mm
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Fuente II Filter Cartridge, AB1FFN7WH4

Product ID: AB1FFN7WH4
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
0.2 µm
Membrane Material
Double Layer PES, with built in pre-filtration
Effective Filtration Area (Metric m²)
1.04 m²
Filter Cartridge Style
Code 7
Cartridge Length (Imperial)
10 in
Cartridge Length (Metric)
254 mm
See All Attributes

Emflon® HTPFRW Filter Cartridges, AB1HTPFR7WH4

Product ID: AB1HTPFR7WH4
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
0.2 µm
Membrane Material
Double Layer PTFE
Effective Filtration Area (Metric cm²)
8400 cm²
Filter Cartridge Style
Code 7
Cartridge Length (Imperial)
10 in
Cartridge Length (Metric)
254 mm
See All Attributes

MEMBRAcart XP Filter Cartridges, AB1MBX7WH4

Product ID: AB1MBX7WH4
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
0.45 µm
Membrane Material
Polyethersulfone (PES)
Effective Filtration Area (Metric m²)
0.6 m²
Filter Cartridge Style
Code 7
Cartridge Length (Imperial)
10 in
Cartridge Length (Metric)
254 mm
See All Attributes

PAREQII Filter Cartridge, AB1PAREQII7WH4

Product ID: AB1PAREQII7WH4
Unit of Measure
1/EA
Min Order Qty
1
Membrane Material
Polyethersulfone (PES)
Effective Filtration Area (Metric m²)
0.75 m²
Filter Cartridge Style
Code 7
Cartridge Length (Imperial)
10 in
Cartridge Length (Metric)
254 mm
Cartridge Length (Metric)
25.4 cm
See All Attributes

Supor® Beverage Filter Cartridges, AB1SBB7WH4

Product ID: AB1SBB7WH4
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
0.45 µm
Membrane Material
Polyethersulfone (PES)
Industry-Specific Certification
W480 Food Contact
Filter Cartridge Style
Code 7
Cartridge Length (Imperial)
10 in
Cartridge Length (Metric)
254 mm
See All Attributes
81 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.