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. 

Accessories Spare Parts
Accessories Spare Parts
Air Breathers
Air Breathers
Air Gas Vent Filters
Air Gas Vent Filters
Backwash Filters
Backwash Filters
Cabin Air Filters
Cabin Air Filters
Centrifugal Filters
Centrifugal Filters
Ceramic Filters
Ceramic Filters
Cleanliness Cabinet Service Instruments
Cleanliness Cabinet Service Instruments
Coalescers
Coalescers
Depth Filter Sheets
Depth Filter Sheets
Depth Filtration
Depth Filtration
Diagnostic Monitoring Equipment
Diagnostic Monitoring Equipment
Disc Filters
Disc Filters
Filter Capsules
Filter Capsules
Filter Cartridges
Filter Cartridges
Housings Vessels Assemblies
Housings Vessels Assemblies
Integrity Test Devices
Integrity Test Devices
IV Filters
IV Filters
Large Format Filters
Large Format Filters
Last Chance Filter Discs
Last Chance Filter Discs
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Last Chance Filter Elements
Lenticular Filters
Lenticular Filters
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Media Membranes
Membrane Filters
Membrane Filters
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Metal Filters
Microza Hollow Fiber Modules
Microza Hollow Fiber Modules
Oil Purifiers
Oil Purifiers
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Services
Supor-EKV
Supor-EKV
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Systems
Vent Filters
Vent Filters

Order Products

Red1000 Glass Fiber 12 micron (Beta 1000) Nitrile 36in 91.44cm

Product ID: HC2296FKS36H
Unit of Measure
1/EA
Min Order Qty
6
Anti-Static
No
Beta Rating
BETA 1000
Element Series
HC2296
Family
Red1000
Filter Media
Glass Fiber
Filter Removal Rating (μm)
12 µm
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Ultipor III Glass Fiber 5 micron (Beta 1000) Nitrile 8in 20.32cm length

Product ID: HC9601FDP8H#28
Unit of Measure
1/EA
Min Order Qty
1
Anti-Static
No
Beta Rating
BETA 1000
Element Series
HC9601
Family
Ultipor III
Filter Media
Glass Fiber
Filter Removal Rating (μm)
5 µm
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RT250A10S product photo

RT250A10S

Product ID: RT250A10S
Unit of Measure
30/EA
Min Order Qty
30
Packaging
Bulk
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DISC NM NPG 025100 product photo

DISC NM NPG 025100

Product ID: NPG025100
Unit of Measure
1/BOX
Min Order Qty
1

Nexis® A Series Filter Cartridges, Removal Rating 0.5 μm, Polypropylene, Length 4 inches

Product ID: NXA054UM3S
Unit of Measure
30/EA
Min Order Qty
30
Removal Rating
0.5 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
4 in
Cartridge Length (Metric)
102 mm
Cartridge Length (Metric)
10.2 cm
Gasket / O-Ring Material
Silicone
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Nexis® A Series Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 10 inches, silicone

Product ID: NXA110UM7S
Unit of Measure
60/EA
Min Order Qty
60
Removal Rating
1 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
10 in
Cartridge Length (Metric)
254 mm
Cartridge Length (Metric)
25.4 cm
Gasket / O-Ring Material
Silicone
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Nexis® A Series Filter Cartridges, Removal Rating 1 μm, Polypropylene, DOE industrial (no end caps)

Product ID: NXA1295U
Unit of Measure
24/EA
Min Order Qty
24
Removal Rating
1 µm
Membrane Material
Polypropylene
Gasket / O-Ring Material
NA
End Configuration Code
BLANK
End Configuration
BLANK - DOE industrial (no end caps)
Cartridge Type
NXA
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Nexis® A Series Filter Cartridges, Removal Rating 30 μm, Polypropylene, Length 30 inches, silicone, DOE with elastomer gasket seals and end caps

Product ID: NXA3030UDOES
Unit of Measure
12/EA
Min Order Qty
12
Removal Rating
30 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
30 in
Cartridge Length (Metric)
762 mm
Cartridge Length (Metric)
76.2 cm
Gasket / O-Ring Material
Silicone
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Nexis® A Series Filter Cartridges, Removal Rating 3 μm, Polypropylene, Length 9.75 inches

Product ID: NXA3975U
Unit of Measure
30/EA
Min Order Qty
30
Removal Rating
3 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
9.75 in
Cartridge Length (Metric)
248 mm
Cartridge Length (Metric)
24.8 cm
Gasket / O-Ring Material
NA
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Nexis® A Series Filter Cartridges, Removal Rating 70 μm, Polypropylene, Length 30 inches, Nitrile, SOE flat closed end external 222 O-ring

Product ID: NXA7030UM18N
Unit of Measure
12/EA
Min Order Qty
12
Removal Rating
70 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
30 in
Cartridge Length (Metric)
762 mm
Cartridge Length (Metric)
76.2 cm
Gasket / O-Ring Material
Nitrile
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Marksman™, Large Format Filters, Removal Rating 20 μm, Length Size 2 bag, EPDM

Product ID: NXAMS202UEPFA
Unit of Measure
4/EA
Min Order Qty
4
Cartridge Length
Size 2 bag
Filter Grade
20 µm
Hardware Material
Polypropylene
Outside Diameter (Imperial)
6 in
Outside Diameter (Metric)
152 mm

Nexis® A Series Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 20 inches

Product ID: NXAQ120UM7T12
Unit of Measure
12/EA
Min Order Qty
12
Removal Rating
1 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
20 in
Cartridge Length (Metric)
508 mm
Cartridge Length (Metric)
50.8 cm
End Configuration Code
M7
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Discontinued

This part is no longer available. Please contact us for more information.
9,846 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.