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

Order Products

Cartridge Length (Metric)

251 mm

Nexis® T Filter Cartridges, Removal Rating 50 μm, Polypropylene, Length 9.875 inches, DOE Santoprene gasket seal

Product ID: NXT509875UH21
Unit of Measure
60/EA
Min Order Qty
60
Removal Rating
50 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
9.875 in
Cartridge Length (Metric)
251 mm
Cartridge Length (Metric)
25.1 cm
Gasket / O-Ring Material
NA
See All Attributes
Nexis® T Filter Cartridges, Removal Rating 150 μm, Polypropylene, Length 9.875 inches product photo

Nexis® T Filter Cartridges, Removal Rating 150 μm, Polypropylene, Length 9.875 inches

Product ID: NXT1509875UH21
Unit of Measure
30/EA
Min Order Qty
30
Micron
150 micron

Nexis® T Filter Cartridges, Removal Rating 3 μm, Polypropylene, Length 9.875 inches

Product ID: NXT39875UH21
Unit of Measure
30/EA
Min Order Qty
30
Removal Rating
3 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
9.875 in
Cartridge Length (Metric)
251 mm
Cartridge Length (Metric)
25.1 cm
Gasket / O-Ring Material
NA
See All Attributes

Claris® Filter Cartridges, Removal Rating 10 μm, Polypropylene, Length 9.875 inches

Product ID: CLR109875
Unit of Measure
72/EA
Min Order Qty
72
Removal Rating
10 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
9.875 in
Cartridge Length (Metric)
251 mm
Cartridge Length (Metric)
25.1 cm
Gasket / O-Ring Material
NA
See All Attributes

Nexis® T Filter Cartridges, Removal Rating 100 μm, Polypropylene, Length 9.875 inches

Product ID: NXT1009875U
Unit of Measure
30/EA
Min Order Qty
30
Removal Rating
100 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
9.875 in
Cartridge Length (Metric)
251 mm
Cartridge Length (Metric)
25.1 cm
Gasket / O-Ring Material
NA
See All Attributes

Nexis® T Filter Cartridges, Removal Rating 10 μm, Polypropylene, Length 9.875 inches

Product ID: NXT109875UH21
Unit of Measure
30/EA
Min Order Qty
30
Removal Rating
10 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
9.875 in
Cartridge Length (Metric)
251 mm
Cartridge Length (Metric)
25.1 cm
Gasket / O-Ring Material
NA
See All Attributes
Claris® Filter Cartridges, Removal Rating 20 μm, Polypropylene, Length 9.875 inches product photo

Claris® Filter Cartridges, Removal Rating 20 μm, Polypropylene, Length 9.875 inches

Product ID: CLR209875
Unit of Measure
36/EA
Min Order Qty
36
Length
25.1 cm / 9.875 in
Micron
20 micron

Nexis® T Filter Cartridges, Removal Rating 5 μm, Polypropylene, Length 9.875 inches

Product ID: NXT59875U
Unit of Measure
30/EA
Min Order Qty
30
Removal Rating
5 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
9.875 in
Cartridge Length (Metric)
251 mm
Cartridge Length (Metric)
25.1 cm
Gasket / O-Ring Material
NA
See All Attributes

Claris® Filter Cartridges, Removal Rating 50 μm, Polypropylene, Length 9.875 inches

Product ID: CLR509875
Unit of Measure
36/EA
Min Order Qty
36
Removal Rating
50 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
9.875 in
Cartridge Length (Metric)
251 mm
Cartridge Length (Metric)
25.1 cm
Gasket / O-Ring Material
NA
See All Attributes

Nexis® T Filter Cartridges, Removal Rating 200 μm, Polypropylene, Length 9.875 inches

Product ID: NXT2009875UH21
Unit of Measure
30/EA
Min Order Qty
30
Removal Rating
200 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
9.875 in
Cartridge Length (Metric)
251 mm
Cartridge Length (Metric)
25.1 cm
Gasket / O-Ring Material
NA
See All Attributes

Claris® Filter Cartridges, Removal Rating 5 μm, Polypropylene, Length 9.875 inches

Product ID: CLR59875
Unit of Measure
36/EA
Min Order Qty
36
Removal Rating
5 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
9.875 in
Cartridge Length (Metric)
251 mm
Cartridge Length (Metric)
25.1 cm
Gasket / O-Ring Material
NA
See All Attributes

Claris® Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 9.875 inches

Product ID: CLR19875
Unit of Measure
36/EA
Min Order Qty
36
Removal Rating
1 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
9.875 in
Cartridge Length (Metric)
251 mm
Cartridge Length (Metric)
25.1 cm
Gasket / O-Ring Material
NA
See All Attributes
13 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.