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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Microelectronics

U003AW29.5A product photo

U003AW29.5A

Product ID: U003AW295A
Unit of Measure
1/EA
Min Order Qty
1
Packaging
Bulk
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NXA 1-30U-DOEE product photo

Nexis, NXA, 1 μm, 76.2 cm (30 in), DOE with elastomer gasket seals and end caps, EPDM gasket

Product ID: NXA130UDOEE
Unit of Measure
24/EA
Min Order Qty
24
Micron
1 micron

NXT 20-9.875U-H21

Product ID: NXT209875UH21
Unit of Measure
1/EA
Min Order Qty
1

NXT 100-20U-M3E

Product ID: NXT10020UM3E
Unit of Measure
1/EA
Min Order Qty
1
NXT 0.5-20U product photo

Nexis, NXT, 0.5 μm, 50.8 cm (20 in), DOE industrial (no end caps)

Product ID: NXT0520U
Unit of Measure
10/EA
Min Order Qty
10
Micron
0.5 micron
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: PFT0210UEM3BLK513
Unit of Measure
1/EA
Min Order Qty
1
Micron
0.2 µm
T010A10Y product photo

T010A10Y

Product ID: T010A10Y
Unit of Measure
1/EA
Min Order Qty
1
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20" Ultipor GF+ 1µm, DOE with EPR gaskets

Product ID: MCY1002U010ZJ
Unit of Measure
1/EA
Min Order Qty
1

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

NXA 2-20U-M3E product photo

Nexis, NXA, 2 μm, 50.8 cm (20 in), SOE flat closed end, external 222 O-rings (retrofits other manufacturers’ Code 0), EPDM gasket

Product ID: NXA220UM3E
Unit of Measure
12/EA
Min Order Qty
12
Micron
2 micron
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
NXA 5-30U-M3E product photo

Nexis, NXA, 5 μm, 76.2 cm (30 in), SOE flat closed end, external 222 O-rings (retrofits other manufacturers’ Code 0), EPDM gasket

Product ID: NXA530UM3E
Unit of Measure
24/EA
Min Order Qty
24
Micron
5 micron
U0.5AW19.5U product photo

U0.5AW19.5U

Product ID: U05AW195U
Unit of Measure
10/EA
Min Order Qty
10
Packaging
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318 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.