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. 

Filter Cartridges
Filter Cartridges

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Industries

Oil & Gas

Gasket / O-Ring Material

EPDM

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

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

Product ID: NXA0510UM7E
Unit of Measure
1/EA
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
0.5 micron
Nexis® A Series Filter Cartridges, Removal Rating 0.5 μm, Polypropylene, Length 30 inches, EPDM product photo

Nexis® A Series Filter Cartridges, Removal Rating 0.5 μm, Polypropylene, Length 30 inches, EPDM

Product ID: NXA0530UDOEE
Unit of Measure
1/EA
Min Order Qty
1
Micron
0.5 micron
Nexis® A Series Filter Cartridges, Removal Rating 10 μm, Polypropylene, Length 20 inches, EPDM, SOE flat closed end external 222 O-rings product photo

Nexis® A Series Filter Cartridges, Removal Rating 10 μm, Polypropylene, Length 20 inches, EPDM, SOE flat closed end external 222 O-rings

Product ID: NXA1020UM3E
Unit of Measure
12/EA
Min Order Qty
12
Micron
10 micron
Nexis® A Series Filter Cartridges, Removal Rating 10 μm, Polypropylene, Length 30 inches, EPDM, SOE flat closed end external 222 O-rings product photo

Nexis® A Series Filter Cartridges, Removal Rating 10 μm, Polypropylene, Length 30 inches, EPDM, SOE flat closed end external 222 O-rings

Product ID: NXA1030UM3E
Unit of Measure
1/EA
Min Order Qty
12
Micron
10 micron
NXA 10-39U-M3E product photo

Nexis, NXA, 10 μm, 99.1 cm (39 in), SOE flat closed end, external 222 O-rings (retrofits other manufacturers’ Code 0), EPDM gasket

Product ID: NXA1039UM3E
Unit of Measure
1/EA
Min Order Qty
1
Micron
10 micron
Nexis® A Series Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 39 inches product photo

Nexis® A Series Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 39 inches

Product ID: NXA139UM18E
Unit of Measure
12/EA
Min Order Qty
12
Micron
1 micron
Nexis® A Series Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 40 inches, EPDM, SOE flat closed end external 222 O-ring product photo

Nexis® A Series Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 40 inches, EPDM, SOE flat closed end external 222 O-ring

Product ID: NXA140UM18E
Unit of Measure
1/EA
Min Order Qty
1
Micron
1 micron
Nexis® A Series Filter Cartridges, Polypropylene, Length 30 inches, EPDM product photo

Nexis® A Series Filter Cartridges, Polypropylene, Length 30 inches, EPDM

Product ID: NXA1530UM3E
Unit of Measure
1/EA
Min Order Qty
1
Micron
15 micron
Nexis® A Series Filter Cartridges, Removal Rating 20 μm, Polypropylene, Length 30 inches, EPDM, SOE flat closed end external 222 O-rings product photo

Nexis® A Series Filter Cartridges, Removal Rating 20 μm, Polypropylene, Length 30 inches, EPDM, SOE flat closed end external 222 O-rings

Product ID: NXA2030UM3E
Unit of Measure
1/EA
Min Order Qty
1
Micron
20 micron
Nexis® A Series Filter Cartridges, Removal Rating 30 μm, Polypropylene, Length 30 inches, EPDM product photo

Nexis® A Series Filter Cartridges, Removal Rating 30 μm, Polypropylene, Length 30 inches, EPDM

Product ID: NXA3030UM3E
Unit of Measure
1/EA
Min Order Qty
1
Micron
30 micron
Nexis® A Series Filter Cartridges, Removal Rating 5 μm, Polypropylene, Length 10 inches, EPDM, SOE flat closed end external 222 O-rings product photo

Nexis® A Series Filter Cartridges, Removal Rating 5 μm, Polypropylene, Length 10 inches, EPDM, SOE flat closed end external 222 O-rings

Product ID: NXA510UM3E
Unit of Measure
1/EA
Min Order Qty
1
Micron
5 micron
43 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.