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
Large Format Filters
Large Format Filters

Order Products

Cartridge Length (Metric)

508 mm

Vector™ High Flow Large Format Filters, Removal Rating 10 µm, Polypropylene, Length 20 inches

Product ID: HFV620PP010PH13
Unit of Measure
6/EA
Min Order Qty
6
Cartridge Length
20/508 inch/mm
Filter Grade
10 µm
Hardware Material
White polypropylene
Media Material
Polypropylene
Outside Diameter (Imperial)
6 in
Outside Diameter (Metric)
152 mm
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DFT Classic®, Filter Cartridges, Removal Rating 10 μm, Length 20 Inches, Polypropylene

Product ID: C010AW20U
Unit of Measure
10/EA
Min Order Qty
10
Removal Rating
10 µm
Cartridge Length (Imperial)
20 in
Cartridge Length (Metric)
508 mm
Cartridge Length (Metric)
50.8 cm
Cartridge Outer Diameter (OD) (Imperial)
2.5 in
Cartridge Outer Diameter (OD) (Metric)
6.4 cm
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Nexis® A Series Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 20 inches

Product ID: NXAQ120UM7T12
Unit of Measure
12/EA
Min Order Qty
12
Removal Rating
1 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
20 in
Cartridge Length (Metric)
508 mm
Cartridge Length (Metric)
50.8 cm
End Configuration Code
M7
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Discontinued

This part is no longer available. Please contact us for more information.
Poly-Fine® II, Filter Cartridges, Removal Rating 0.2 μm, Highly Asymetric Polysulfone, Length 20 Inches, Nitrile, DOE industrial product photo

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

Product ID: PFT0220UNB
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, silicone, SOE fin end external 226 O-rings, No Bubble Test product photo

Poly-Fine® II, Filter Cartridges, Removal Rating 0.2 μm, Highly Asymetric Polysulfone, Length 20 Inches, silicone, SOE fin end external 226 O-rings, No Bubble Test

Product ID: PFT0220USM7
Unit of Measure
1/EA
Min Order Qty
1
Micron
0.2 µm
Poly-Fine® II, Filter Cartridges, Removal Rating 0.45 μm, Polypropylene, Length 20 Inches, silicone, SOE fin end external 222 O-rings product photo

Poly-Fine® II, Filter Cartridges, Removal Rating 0.45 μm, Polypropylene, Length 20 Inches, silicone, SOE fin end external 222 O-rings

Product ID: PFT04520USM8
Unit of Measure
1/EA
Min Order Qty
1
Micron
0.45 µm
Poly-Fine® II, Filter Cartridges, Removal Rating 2 μm, Polypropylene, Length 20 Inches, Fluorocarbon Elastomer product photo

Poly-Fine® II, Filter Cartridges, Removal Rating 2 μm, Polypropylene, Length 20 Inches, Fluorocarbon Elastomer

Product ID: PFT220UVM3
Unit of Measure
1/EA
Min Order Qty
1
Micron
2 µm

Marksman™ High Flow, Large Format Filters, Filter Grade 20 µm, polypropylene, Length 20 Inches, Fluorocarbon Elastomer O-ring

Product ID: PFTM2020UHFH
Unit of Measure
4/EA
Min Order Qty
4
Cartridge Length
20/508 inches/mm
Filter Grade
20 µm
Hardware Material
Polypropylene
Media Material
Polypropylene
Outside Diameter (Imperial)
6.3 in
Outside Diameter (Metric)
160 mm
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DFT Classic®, Filter Cartridges, Removal Rating 30 μm, Length 20 Inches, 316 stainless steel product photo

DFT Classic®, Filter Cartridges, Removal Rating 30 μm, Length 20 Inches, 316 stainless steel

Product ID: G030AW20S1PK
Unit of Measure
10/EA
Min Order Qty
10
Packaging
Individually wrapped
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Ultipor® N66 Filter Cartridges, AB2NB7WH4

Product ID: AB2NB7WH4
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
0.45 µm
Cartridge Length (Imperial)
20 in
Cartridge Length (Metric)
508 mm
Cartridge Length (Metric)
50.8 cm
Material
Nylon
Maximum Differential Pressure
5.4 bard @ < 50° C (122◦ F)
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G G001AW20A-1PK product photo

G G001AW20A-1PK

Product ID: GG001AW20A1PK
Unit of Measure
10/EA
Min Order Qty
10
Packaging
Individually wrapped
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Profile® Star Filter Cartridges, Removal Rating 0.8 μm, Polypropylene, Length 20 inches, Ethylene Propylene

Product ID: AB2A00825J
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
0.8 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
20 in
Cartridge Length (Metric)
508 mm
Cartridge Length (Metric)
50.8 cm
Gasket / O-Ring Material
Ethylene Propylene
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630 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.