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
String-Wound Filter Cartridges
String-Wound Filter Cartridges

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Cartridge Length (Imperial)

10 in

DFT Classic®, Filter Cartridges, Removal Rating 50 μm, Length 10 Inches, 316 stainless steel, with Extended Core product photo

DFT Classic®, Filter Cartridges, Removal Rating 50 μm, Length 10 Inches, 316 stainless steel, with Extended Core

Product ID: U050A10SEC1S
Unit of Measure
1/EA
Min Order Qty
1
Packaging
Bulk
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Poly-Fine® XLD Filter Cartridges, Removal Rating 20 μm, Polypropylene, Length 10 inches, FEP encapsulated fluorocarbon elastomer Orings, SOE flat closed end external 222 O-rings

Product ID: XLD2010UFM3
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
20 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
10 in
Cartridge Length (Metric)
254 mm
Cartridge Length (Metric)
25.4 cm
Gasket / O-Ring Material
FEP encapsulated fluorocarbon elastomer (O-rings)
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NXT 1-10U-M3F product photo

Nexis, NXT, 1 μm, 25.4 cm (10 in), SOE flat closed end, external 222 O-rings (retrofits other manufacturers’ Code 0), FEP encapsulated fluorocarbon elastomer (O-rings)

Product ID: NXT110UM3F
Unit of Measure
1/EA
Min Order Qty
1
Micron
1 micron

Nexis® A Series Filter Cartridges, Removal Rating 0.5 μm, Polypropylene, Length 10 inches, FEP encapsulated fluorocarbon elastomer Orings

Product ID: NXA0510UM3F
Unit of Measure
30/EA
Min Order Qty
30
Removal Rating
0.5 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
10 in
Cartridge Length (Metric)
254 mm
Cartridge Length (Metric)
25.4 cm
Gasket / O-Ring Material
FEP encapsulated fluorocarbon elastomer (O-rings)
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Profile® II Filter Cartridges, R1F010W

Product ID: R1F010W
Unit of Measure
6/EA
Min Order Qty
6
Removal Rating
1 µm
Membrane Material
Polypropylene
Industry-Specific Certification
W480 Food Contact
Filter Cartridge Style
RF-style
Cartridge Length (Imperial)
10 in
Cartridge Length (Metric)
254 mm
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Nexis® T Filter Cartridges, Removal Rating 5 μm, Polypropylene, Length 10 inches, silicone, DOE with elastomer gasket seals and end caps

Product ID: NXT510UDOES
Unit of Measure
30/EA
Min Order Qty
30
Removal Rating
5 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
10 in
Cartridge Length (Metric)
254 mm
Cartridge Length (Metric)
25.4 cm
Gasket / O-Ring Material
Silicone
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Poly-Fine® II, Filter Cartridges, Removal Rating 20 μm, Polypropylene, Length 10 Inches, silicone

Product ID: PFT2010USM7
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
20 µm
Membrane Material
Polypropylene
Industry-Specific Certification
General Use
Cartridge Length (Imperial)
10 in
Cartridge Length (Metric)
254 mm
Cartridge Length (Metric)
25.4 cm
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Nexis® T Filter Cartridges, Removal Rating 50 μm, Polypropylene, Length 10 inches, EPDM, SOE flat closed end external 222 O-ring

Product ID: NXT5010UM18E
Unit of Measure
60/EA
Min Order Qty
60
Removal Rating
50 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
10 in
Cartridge Length (Metric)
254 mm
Cartridge Length (Metric)
25.4 cm
Gasket / O-Ring Material
EPDM
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Poly-Fine® II, Filter Cartridges, Removal Rating 0.2 μm, Highly Asymetric Polysulfone, Length 10 Inches, EPDM, SOE fin end external 226 O-rings product photo

Poly-Fine® II, Filter Cartridges, Removal Rating 0.2 μm, Highly Asymetric Polysulfone, Length 10 Inches, EPDM, SOE fin end external 226 O-rings

Product ID: PFT0210UEM7
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 10 Inches, FEP encapsulated Fluorocarbon Elastomer Orings, SOE fin end external 226 O-rings product photo

Poly-Fine® II, Filter Cartridges, Removal Rating 0.2 μm, Highly Asymetric Polysulfone, Length 10 Inches, FEP encapsulated Fluorocarbon Elastomer Orings, SOE fin end external 226 O-rings

Product ID: PFT0210UFM7425
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 10 Inches, EPDM, SOE flat closed end external 222 O-rings product photo

Poly-Fine® II, Filter Cartridges, Removal Rating 0.45 μm, Polypropylene, Length 10 Inches, EPDM, SOE flat closed end external 222 O-rings

Product ID: PFT04510UEM3
Unit of Measure
1/EA
Min Order Qty
1
Micron
0.45 µm
Poly-Fine® II, Filter Cartridges, Removal Rating 2 μm, Polypropylene, Length 10 Inches, silicone, SOE fin end external 226 O-rings product photo

Poly-Fine® II, Filter Cartridges, Removal Rating 2 μm, Polypropylene, Length 10 Inches, silicone, SOE fin end external 226 O-rings

Product ID: PFT210USM7425
Unit of Measure
1/EA
Min Order Qty
1
Micron
2 µm
525 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.