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
String-Wound Filter Cartridges
String-Wound Filter Cartridges

Order Products

Brand

Claris®

CLR 75-10-H21

Product ID: CLR7510H21
Unit of Measure
1/EA
Min Order Qty
1

Claris® Filter Cartridges, Removal Rating 50 μm, Polypropylene, Length 40 inches, silicone, SOE fin end external 222 O-rings

Product ID: CLR5040M8S
Unit of Measure
12/EA
Min Order Qty
12
Removal Rating
50 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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AVS20M30

Product ID: AVS20M30
Unit of Measure
24/EA
Min Order Qty
24

Claris® Filter Cartridges, Removal Rating 5 μm, Polypropylene, Length 20 inches, silicone, SOE flat closed end external 222 O-rings

Product ID: CLR520M3S
Unit of Measure
12/EA
Min Order Qty
12
Removal Rating
5 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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Claris® Filter Cartridges, Removal Rating 5 μm, Polypropylene, Length 40 inches, Nitrile, SOE fin end external 222 O-rings

Product ID: CLR540M8N
Unit of Measure
24/EA
Min Order Qty
24
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
Nitrile
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Claris® Filter Cartridges, Removal Rating 3 μm, Polypropylene, Length 29.25 inches

Product ID: CLR32925
Unit of Measure
12/EA
Min Order Qty
12
Removal Rating
3 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
NA
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Claris® Filter Cartridges, Removal Rating 30 μm, Polypropylene, Length 30 inches, EPDM

Product ID: CLR3030M3E
Unit of Measure
12/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
EPDM
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Discontinued

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

MW 20-9.875 827

Product ID: MW209875827
Unit of Measure
72/EA
Min Order Qty
72

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
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Claris® Filter Cartridges, Removal Rating 30 μm, Polypropylene, Length 40 inches, Nitrile

Product ID: CLR3040M3N
Unit of Measure
24/EA
Min Order Qty
24
Removal Rating
30 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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Claris® Filter Cartridges, Removal Rating 75 μm, Polypropylene, Length 40 inches, Nitrile

Product ID: CLR7540M3N
Unit of Measure
24/EA
Min Order Qty
24
Removal Rating
75 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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Claris® Filter Cartridges, Removal Rating 5 μm, Polypropylene, Length 40 inches, SOE metal spring/polypropylene cap saw cut end

Product ID: CLR540SI
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
NA
See All Attributes
204 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.