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. 

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Product ID: RT250A10S
Unit of Measure
1/EA
Min Order Qty
1
Packaging
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Product ID: 10RPN20
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Product ID: AB1UY0207H4
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Product ID: AB2A2007WH4
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
20 µm
Membrane Material
Polypropylene
Industry-Specific Certification
W480 Food Contact
Filter Cartridge Style
Code 7
Cartridge Length (Imperial)
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Cartridge Length (Metric)
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AB2RT7H4 product photo

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Product ID: AB2RT7H4
Unit of Measure
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Product ID: AB2Y0307H4
Unit of Measure
12/EA
Min Order Qty
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Membrane Material
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Cartridge Length (Imperial)
20 in
Cartridge Length (Metric)
506 mm
Cartridge Length (Metric)
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Gasket / O-Ring Material
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Nexis® A Series Filter Cartridges, Removal Rating 0.5 μm, Polypropylene, Length 10 inches product photo

Nexis® A Series Filter Cartridges, Removal Rating 0.5 μm, Polypropylene, Length 10 inches

Product ID: NXA0510U
Unit of Measure
1/pkg
Min Order Qty
1
Micron
0.5 micron
NXA 0.5-10U-M3E product photo

Nexis, NXA, 0.5 μm, 25.4 cm (10 in), SOE flat closed end, external 222 O-rings (retrofits other manufacturers’ Code 0), EPDM gasket

Product ID: NXA0510UM3E
Unit of Measure
1/EA
Min Order Qty
1
Micron
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Nexis® A Series Filter Cartridges, Removal Rating 0.5 μm, Polypropylene, Length 10 inches, EPDM product photo

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Product ID: NXA0510UM7E
Unit of Measure
1/EA
Min Order Qty
1
Micron
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871 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.