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
Coalescers
Coalescers
Filter Cartridges
Filter Cartridges
Housings Vessels Assemblies
Housings Vessels Assemblies
Large Format Filters
Large Format Filters
Metal Filters
Metal Filters

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Industries

Oil & Gas

WS18 - 1/2" NPT 200mm Probe 10m Cable product photo

WS18 - 1/2" NPT 200mm Probe 10m Cable

Product ID: WS18DSB08L10
Unit of Measure
1/EA
Min Order Qty
1

Marksman™, Large Format Filters, Filter Grade 1.5 µm, Polypropylene, Size 2 bag, EPDM, Plastic self-adjusting flange

Product ID: XLDM152UEPFA
Unit of Measure
1/EA
Min Order Qty
1

Marksman™, Large Format Filters, Filter Grade 3 µm, Polypropylene, Size 2 bag, EPDM

Product ID: XLDM32UEPFA
Unit of Measure
1/EA
Min Order Qty
1

Vector™ High Flow Series Filter Cartridges
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Vector™ High Flow Series Filter Cartridges
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Vector™ High Flow Series Filter Cartridges
30 Products In Family
$ 123.96 - $ 640.17
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Profile® Star, Filter Cartridges, Removal Rating 10 μm, Polypropylene, Length 30 Inches, silicone, Polypropylene Cage

Product ID: AB3A1007H4
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
10 µm
Membrane Material
Polypropylene
Filter Cartridge Style
Code 7
Cartridge Length (Imperial)
30 in
Cartridge Length (Metric)
762 mm
Cartridge Length (Metric)
76.2 cm
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This product is currently not available. Please contact us for more information.

SepraSol L/G Coalescer, 30in length, 2.75in diameter, 99.999% at 0.3µm aerosol rating, 99.99% >0.3µm solids removal rating

Product ID: CC3LGA7H13
Unit of Measure
1/EA
Min Order Qty
1
Maximum Operating Temperature (F)
180 °F
Maximum Operating Temperature (C)
82 °C
Change out pressure drop (bar)
0.83 bar
Change out pressure drop (psid)
12 psid
Maximum differential pressure rating (bar)
2.75 bar
Maximum differential pressure rating (psid)
40 psid
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Claris® Filter Cartridges, Removal Rating 20 μm, Polypropylene, Length 30 inches product photo

Claris® Filter Cartridges, Removal Rating 20 μm, Polypropylene, Length 30 inches

Product ID: CLR2030
Unit of Measure
12/EA
Min Order Qty
12
Micron
20 micron
Length
76.2 cm / 30 in
Claris® Filter Cartridges, Removal Rating 5 μm, Polypropylene, Length 29.25 inches product photo

Claris® Filter Cartridges, Removal Rating 5 μm, Polypropylene, Length 29.25 inches

Product ID: CLR52925
Unit of Measure
12/EA
Min Order Qty
12
Micron
5 micron
Length
74.3 cm / 29.25 in

GASKET VITON ST

Product ID: D10512-062
Unit of Measure
1/EA
Min Order Qty
1

Duo-Fine® , Filter Cartridges, Removal Rating 0.45 μm, Length 10 Inches, Nitrile, Blank - DOE with elastomer gasket seals & end caps

Product ID: DFN04510UN
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
0.45 µm
Cartridge Length (Imperial)
10 in
Cartridge Length (Metric)
254 mm
Cartridge Length (Metric)
25.4 cm
Gasket / O-Ring Material
Nitrile
End Configuration
Blank - DOE with elastomer gasket seals & end caps
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91 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.