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

Brand

Claris®

Industries

Oil & Gas

Filter Media

Polypropylene

Claris® Filter Cartridges, Removal Rating 30 μm, Polypropylene, Length 30 inches, DOE industrial (no end caps)

Product ID: CLR303040
Unit of Measure
24/EA
Min Order Qty
24
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
NA
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Claris® Filter Cartridges, Removal Rating 5 μm, Polypropylene, Length 30 inches, silicone, DOE with elastomer gasket seals & end caps

Product ID: CLR530DOES
Unit of Measure
12/EA
Min Order Qty
12
Removal Rating
5 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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Claris® Filter Cartridges, Removal Rating 5 μm, Polypropylene, Length 40 inches, silicone, SOE flat closed end external 222 O-rings

Product ID: CLR540M3S
Unit of Measure
12/EA
Min Order Qty
12
Removal Rating
5 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
40 in
Cartridge Length (Metric)
1016 mm
Cartridge Length (Metric)
101.6 cm
Gasket / O-Ring Material
Silicone
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Claris® Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 39 inches

Product ID: CLR139
Unit of Measure
24/EA
Min Order Qty
24
Removal Rating
1 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
39 in
Cartridge Length (Metric)
991 mm
Cartridge Length (Metric)
99.1 cm
Gasket / O-Ring Material
NA
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This product is currently not available. Please contact us for more information.

Claris® Filter Cartridges, Removal Rating 5 μm, Polypropylene, Length 30 inches, silicone, SOE fin end external 222 O-rings

Product ID: CLR530M8S
Unit of Measure
24/EA
Min Order Qty
24
Removal Rating
5 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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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
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Claris® Filter Cartridges, Removal Rating 30 μm, Polypropylene, Length 29.25 inches, Nitrile

Product ID: CLR302925M3N
Unit of Measure
24/EA
Min Order Qty
24
Removal Rating
30 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
29.25 in
Cartridge Length (Metric)
743 mm
Cartridge Length (Metric)
74.3 cm
Gasket / O-Ring Material
Nitrile
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Claris® Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 50 inches

Product ID: CLR150
Unit of Measure
20/EA
Min Order Qty
20
Removal Rating
1 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
50 in
Cartridge Length (Metric)
1270 mm
Cartridge Length (Metric)
127 cm
Gasket / O-Ring Material
NA
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Claris® Filter Cartridges, Removal Rating 10 μm, Polypropylene, Length 29.5 inches

Product ID: CLR10295
Unit of Measure
12/EA
Min Order Qty
12
Removal Rating
10 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
29.5 in
Cartridge Length (Metric)
749 mm
Cartridge Length (Metric)
74.9 cm
Gasket / O-Ring Material
NA
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Claris® Filter Cartridges, Removal Rating 50 μm, Polypropylene

Product ID: CLR501025
Unit of Measure
36/EA
Min Order Qty
36
Removal Rating
50 µm
Membrane Material
Polypropylene
Gasket / O-Ring Material
NA
End Configuration Code
Blank
End Configuration
Blank - DOE industrial (no end caps)
Change Out Differential Pressure
2.4 bard
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Claris® Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 40 inches, SOE plastic spring assembly saw cut end

Product ID: CLR140XK
Unit of Measure
12/EA
Min Order Qty
12
Removal Rating
1 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
40 in
Cartridge Length (Metric)
1016 mm
Cartridge Length (Metric)
101.6 cm
Gasket / O-Ring Material
NA
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Claris® Filter Cartridges, Removal Rating 10 μm, Polypropylene, Length 40 inches, Nitrile, DOE with elastomer gasket seals & end caps

Product ID: CLR1040DOEN
Unit of Measure
24/EA
Min Order Qty
24
Removal Rating
10 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
40 in
Cartridge Length (Metric)
1016 mm
Cartridge Length (Metric)
101.6 cm
Gasket / O-Ring Material
Nitrile
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21 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.