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

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Availability

In Stock

Filter Media

Polypropylene

Claris® Filter Cartridges, Removal Rating 5 μm, Polypropylene, Length 40 inches product photo

Claris® Filter Cartridges, Removal Rating 5 μm, Polypropylene, Length 40 inches

Product ID: CLR540
Unit of Measure
12/EA
Min Order Qty
12
Length
102 cm / 40 in
Micron
5 micron

Profile® II, Filter Cartridges, Polypropylene, Length 10 Inches, Timonium

Product ID: R1F200TIMONIUM
Unit of Measure
24/EA
Min Order Qty
24
Membrane Material
Polypropylene
Filter Cartridge Style
RF-style
Cartridge Length (Imperial)
10 in
Cartridge Length (Metric)
254 mm
Cartridge Length (Metric)
25.4 cm
End Configuration
R type housing
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Profile® UP Filter Cartridges, 30 in, 10 µm, Silicone Elastomer

Product ID: AB3UY1007WH4
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
10 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 Elastomer
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Profile® II, Filter Cartridges, Polypropylene, Length 30 Inches, Timonium

Product ID: R3F1200TIMONIUM
Unit of Measure
24/EA
Min Order Qty
24
Membrane Material
Polypropylene
Filter Cartridge Style
RF-style
Cartridge Length (Imperial)
30 in
Cartridge Length (Metric)
762 mm
Cartridge Length (Metric)
76.2 cm
End Configuration
R type housing
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Profile® II, Filter Cartridges, Polypropylene, Length 20 Inches, Timonium

Product ID: RM2F100H21TIMONIUM
Unit of Measure
24/EA
Min Order Qty
24
Removal Rating
10 µm
Membrane Material
Polypropylene
Filter Cartridge Style
RMF-style
Cartridge Length (Imperial)
20 in
Cartridge Length (Metric)
508 mm
Cartridge Length (Metric)
50.8 cm
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Poly-Fine® II, Filter Cartridges, Removal Rating 0.25 μm, Polypropylene, Length 30 Inches, EPDM, SOE flat closed end external 222 O-rings product photo

Poly-Fine® II, Filter Cartridges, Removal Rating 0.25 μm, Polypropylene, Length 30 Inches, EPDM, SOE flat closed end external 222 O-rings

Product ID: PFT02530UEM3
Unit of Measure
1/EA
Min Order Qty
1
Micron
0.25 µm
NXA 2-20U-M3E product photo

Nexis, NXA, 2 μm, 50.8 cm (20 in), SOE flat closed end, external 222 O-rings (retrofits other manufacturers’ Code 0), EPDM gasket

Product ID: NXA220UM3E
Unit of Measure
12/EA
Min Order Qty
12
Micron
2 micron

Poly-Fine® XLD Filter Cartridges, Removal Rating 10 μm, Polypropylene, Length 20 inches, silicone, DOE industrial

Product ID: XLD1020US
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
10 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
20 in
Cartridge Length (Metric)
508 mm
Cartridge Length (Metric)
50.8 cm
Gasket / O-Ring Material
Silicone
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Profile® II, Filter Cartridges, Polypropylene, Length 10 Inches, Timonium

Product ID: RM1F050H21TIMONIUM
Unit of Measure
24/EA
Min Order Qty
24
Removal Rating
5 µm
Membrane Material
Polypropylene
Filter Cartridge Style
RMF-style
Cartridge Length (Imperial)
10 in
Cartridge Length (Metric)
254 mm
Cartridge Length (Metric)
25.4 cm
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Nexis® T Filter Cartridges, Removal Rating 150 μm, Polypropylene, Length 10 inches

Product ID: NXT15010U
Unit of Measure
30/EA
Min Order Qty
30
Removal Rating
150 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
10 in
Cartridge Length (Metric)
254 mm
Cartridge Length (Metric)
25.4 cm
Gasket / O-Ring Material
NA
See All Attributes
Poly-Fine® II, Filter Cartridges, Removal Rating 0.8 μm, Polypropylene, Length 40 Inches, EPDM, DOE industrial product photo

Poly-Fine® II, Filter Cartridges, Removal Rating 0.8 μm, Polypropylene, Length 40 Inches, EPDM, DOE industrial

Product ID: PFT0840UE
Unit of Measure
1/EA
Min Order Qty
1
Micron
0.8 µm

Nexis® T Filter Cartridges, Removal Rating 25 μm, Polypropylene, Length 20 inches

Product ID: NXT2520U
Unit of Measure
20/EA
Min Order Qty
20
Removal Rating
25 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
20 in
Cartridge Length (Metric)
508 mm
Cartridge Length (Metric)
50.8 cm
Gasket / O-Ring Material
NA
See All Attributes
146 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.