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

Order Products

Industries

Microelectronics

Filter Media

Polypropylene

Profile® Star Filter Cartridges, Removal Rating 3 μm, Polypropylene, Length 20 inches, Ethylene Propylene, double O-ring with flat end

Product ID: AB2A0303J
Unit of Measure
6/EA
Min Order Qty
6
Removal Rating
3 µm
Membrane Material
Polypropylene
Filter Cartridge Style
Code 3
Cartridge Length (Imperial)
20 in
Cartridge Length (Metric)
508 mm
Cartridge Length (Metric)
50.8 cm
See All Attributes
NXA 0.5-20U-M3E product photo

Nexis, NXA, 0.5 μm, 50.8 cm (20 in), SOE flat closed end, external 222 O-rings (retrofits other manufacturers’ Code 0), EPDM gasket

Product ID: NXA0520UM3E
Unit of Measure
1/EA
Min Order Qty
1
Micron
0.5 micron
NXA 1-10U-M3S product photo

Nexis, NXA, 1 μm, 25.4 cm (10 in), SOE flat closed end, external 222 O-rings (retrofits other manufacturers’ Code 0), Silicone gasket

Product ID: NXA110UM3S
Unit of Measure
30/EA
Min Order Qty
30
Micron
1 micron
NXA 5-20U-M3E product photo

Nexis, NXA, 5 μm, 50.8 cm (20 in), SOE flat closed end, external 222 O-rings (retrofits other manufacturers’ Code 0), EPDM gasket

Product ID: NXA520UM3E
Unit of Measure
12/EA
Min Order Qty
12
Micron
5 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
NXA 0.5-20U-DOEE product photo

Nexis, NXA, 0.5 μm, 50.8 cm (20 in), DOE with elastomer gasket seals and end caps, EPDM gasket

Product ID: NXA0520UDOEE
Unit of Measure
1/EA
Min Order Qty
1
Micron
0.5 micron
NXA 3-20U-M3E product photo

Nexis, NXA, 3 μm, 50.8 cm (20 in), SOE flat closed end, external 222 O-rings (retrofits other manufacturers’ Code 0), EPDM gasket

Product ID: NXA320UM3E
Unit of Measure
12/EA
Min Order Qty
12
Micron
3 micron

Nexis® T Filter Cartridges, Removal Rating 200 μm, Polypropylene, EPDM, DOE with elastomer gasket seals and end caps

Product ID: NXT200TFUDOEE47
Unit of Measure
5/EA
Min Order Qty
5
Removal Rating
200 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
NXA 10-29.25U-DOEV product photo

Nexis, NXA, 10 μm, 74.3 cm (29.25 in), DOE with elastomer gasket seals and end caps, Fluorocarbon Elastomer gasket

Product ID: NXA102925UDOEV
Unit of Measure
1/EA
Min Order Qty
1
Micron
10 micron
NXT 100-30U-M7E product photo

Nexis, NXT, 100 μm, 76.2 cm (30 in), SOE fin end, external 226 O-rings (retrofits other manufacturers’ Code 7), EPDM gasket

Product ID: NXT10030UM7E
Unit of Measure
1/EA
Min Order Qty
1
Micron
100 micron
NXA 1-20U-M8E product photo

Nexis, NXA, 1 μm, 50.8 cm (20 in), SOE fin end, external 222 O-rings (retrofits other manufacturers’ Code 5), EPDM gasket

Product ID: NXA120UM8E
Unit of Measure
12/EA
Min Order Qty
12
Micron
1 micron
NXA 30-19.75U-H21 product photo

Nexis, NXA, 30 μm, 50.2 cm (19.75 in), DOE, Santoprene gasket seal

Product ID: NXA301975UH21
Unit of Measure
12/EA
Min Order Qty
12
Micron
30 micron
80 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.