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. 

Depth Filter Cartridges
Depth Filter Cartridges
Pleated Depth Filter Cartridges
Pleated Depth Filter Cartridges
Pleated Filter Cartridges
Pleated Filter Cartridges

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Industries

Food & Beverage

FEATURED

Emflon® PFRW Junior Style Filter Cartridge, MCY2230PFRWH4

Product ID: MCY2230PFRWH4
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
0.2 µm
Membrane Material
Double Layer PTFE
Industry-Specific Certification
W480 Food Contact
Effective Filtration Area (Metric cm²)
1400 cm²
Filter Cartridge Style
MCY-style junior
Cartridge Length (Imperial)
3 in
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FEATURED

Emflon® PFRW Filter Cartridges, AB3PFR7WH4

Product ID: AB3PFR7WH4
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
0.2 µm
Membrane Material
Double Layer PTFE
Effective Filtration Area (Metric m²)
2.4 m²
Filter Cartridge Style
Code 7
Cartridge Length (Imperial)
30 in
Cartridge Length (Metric)
762 mm
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FEATURED

Emflon® PFRW Filter Cartridge, AB05PFR7WH4

Product ID: AB05PFR7WH4
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
0.2 µm
Membrane Material
Double Layer PTFE
Effective Filtration Area (Metric cm²)
4000 cm²
Filter Cartridge Style
Code 7
Cartridge Length (Imperial)
5 in
Cartridge Length (Metric)
127 mm
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FEATURED

Emflon® PFRW Filter Cartridge, AB1PFR7WH4

Product ID: AB1PFR7WH4
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
0.2 µm
Membrane Material
Double Layer PTFE
Effective Filtration Area (Metric cm²)
8000 cm²
Filter Cartridge Style
Code 7
Cartridge Length (Imperial)
10 in
Cartridge Length (Metric)
254 mm
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FEATURED

Emflon® PFRW Filter Cartridge, AB1PFR3WH4

Product ID: AB1PFR3WH4
Unit of Measure
1/EA
Min Order Qty
1
FEATURED

Emflon® PFRW Junior Style Filter Cartridge, MCY4463PFRWH4

Product ID: MCY4463PFRWH4
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
0.2 µm
Membrane Material
Double Layer PTFE
Industry-Specific Certification
W480 Food Contact
Effective Filtration Area (Metric cm²)
2800 cm²
Filter Cartridge Style
MCY-style junior
Cartridge Length (Imperial)
5.3 in
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FEATURED

Emflon® PFRW Junior Style Filter Cartridge, MCY4440PFRWH4

Product ID: MCY4440PFRWH4
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
0.2 µm
Membrane Material
Double Layer PTFE
Industry-Specific Certification
W480 Food Contact
Effective Filtration Area (Metric cm²)
2300 cm²
Filter Cartridge Style
MCY-style junior
Cartridge Length (Imperial)
4.1 in
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FEATURED

Emflon® PFRW Filter Cartridge, AB05PFR2WH4

Product ID: AB05PFR2WH4
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
0.2 µm
Membrane Material
Double Layer PTFE
Effective Filtration Area (Metric cm²)
4000 cm²
Filter Cartridge Style
Code 2
Cartridge Length (Imperial)
5 in
Cartridge Length (Metric)
127 mm
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FEATURED

Emflon® PFRW Filter Cartridge, AB2PFR7WH4

Product ID: AB2PFR7WH4
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
0.2 µm
Membrane Material
Double Layer PTFE
Effective Filtration Area (Metric m²)
1.6 m²
Filter Cartridge Style
Code 7
Cartridge Length (Imperial)
20 in
Cartridge Length (Metric)
508 mm
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FEATURED

Junior Filter Emflon PFR 0.2µm

Product ID: SBF1PFRWH4
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
0.2 µm
Membrane Material
Double Layer PTFE
Industry-Specific Certification
W480 Food Contact
Effective Filtration Area (Metric cm²)
410 cm²
Filter Cartridge Style
SBF-style junior
Cartridge Length (Imperial)
10 in
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Fuente II Filter Cartridge, AB3FFN7WJ product photo

Fuente II Filter Cartridge, AB3FFN7WJ

Product ID: AB3FFN7WJ
Unit of Measure
1/EA
Min Order Qty
1

This product is currently not available. Please contact us for more information.

Claris® Filter Cartridge, CLR130W480

Product ID: CLR130W480
Unit of Measure
12/EA
Min Order Qty
12
Removal Rating
1 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
30 in
Cartridge Length (Metric)
762 mm
Cartridge Length (Metric)
76.2 cm
Gasket O-Ring Code
Blank
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149 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.