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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Accessories Spare Parts
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Ceramic Filters
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Cleanliness Cabinet Service Instruments
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Filter Capsules
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Filter Cartridges
Housings Vessels Assemblies
Housings Vessels Assemblies
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Large Format Filters
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Last Chance Filter Discs
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Last Chance Filter Elements
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Metal Filters
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Microza Hollow Fiber Modules
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Microelectronics

NXT 10-29.25U-H21

Product ID: NXT102925UH21
Unit of Measure
1/EA
Min Order Qty
1
NXT 10-40U-M8N product photo

Nexis, NXT, 10 μm, 102 cm (40 in), SOE fin end, external 222 O-rings (retrofits other manufacturers’ Code 5), Nitrile gasket

Product ID: NXT1040UM8N
Unit of Measure
12/EA
Min Order Qty
12
Micron
10 micron

NXT 1-10U-M3E

Product ID: NXT110UM3E
Unit of Measure
30/EA
Min Order Qty
60
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

NXT 1-20U-DOEE

Product ID: NXT120UDOEE
Unit of Measure
24/EA
Min Order Qty
24

Nexis® T Filter Cartridges, Removal Rating 120 μm, Polypropylene, EPDM, DOE with elastomer gasket seals and end caps

Product ID: NXT120TFUDOEE47
Unit of Measure
10/EA
Min Order Qty
10
Removal Rating
120 µm
Membrane Material
Polypropylene
Gasket / O-Ring Material
EPDM
End Configuration Code
DOE
End Configuration
DOE - DOE with elastomer gasket seals and end caps
Cartridge Type
NXT
See All Attributes
NXT 1-20U-DOEN product photo

Nexis, NXT, 1 μm, 50.8 cm (20 in), DOE with elastomer gasket seals and end caps, Nitrile gasket

Product ID: NXT120UDOEN
Unit of Measure
1/EA
Min Order Qty
1
Micron
1 micron
Nexis® T Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 30 inches, EPDM, SOE fin end external 222 O-rings product photo

Nexis® T Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 30 inches, EPDM, SOE fin end external 222 O-rings

Product ID: NXT130UM8E
Unit of Measure
12/EA
Min Order Qty
12
Micron
1 micron
NXT 1-4U product photo

Nexis, NXT, 1 μm, 10.2 cm (4 in), DOE industrial (no end caps)

Product ID: NXT14U
Unit of Measure
1/EA
Min Order Qty
1
Micron
1 micron
NXT 150-20U product photo

Nexis, NXT, 150 μm, 50.8 cm (20 in), DOE industrial (no end caps)

Product ID: NXT15020U
Unit of Measure
10/EA
Min Order Qty
10
Micron
150 micron
NXT 150-9.75U-H21 product photo

Nexis, NXT, 150 μm, 24.8 cm (9.75 in), DOE, Santoprene gasket seal

Product ID: NXT150975UH21
Unit of Measure
1/EA
Min Order Qty
1
Micron
150 micron
NXT 15-20U product photo

Nexis, NXT, 15 μm, 50.8 cm (20 in), DOE industrial (no end caps)

Product ID: NXT1520U
Unit of Measure
10/EA
Min Order Qty
20
Micron
15 micron
445 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.