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
Backwash Filters
Backwash Filters
Coalescers
Coalescers
Diagnostic Monitoring Equipment
Diagnostic Monitoring Equipment
Filter Capsules
Filter Capsules
Filter Cartridges
Filter Cartridges
Housings Vessels Assemblies
Housings Vessels Assemblies
Large Format Filters
Large Format Filters
Metal Filters
Metal Filters
Vent Filters
Vent Filters

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Availability

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DFT Classic®, Filter Cartridges, Removal Rating 20 μm, Length 10 Inches, Polypropylene, Individually wrapped product photo

DFT Classic®, Filter Cartridges, Removal Rating 20 μm, Length 10 Inches, Polypropylene, Individually wrapped

Product ID: C020A10U1PK
Unit of Measure
1/EA
Min Order Qty
1
Packaging
Individually wrapped
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DFT Classic®, Filter Cartridges, Removal Rating 100 μm, Length 10 Inches, 304 stainless steel product photo

DFT Classic®, Filter Cartridges, Removal Rating 100 μm, Length 10 Inches, 304 stainless steel

Product ID: C100A10A
Unit of Measure
1/EA
Min Order Qty
1
Packaging
Bulk
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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 10 μm, Polypropylene, Length 20 inches product photo

Claris® Filter Cartridges, Removal Rating 10 μm, Polypropylene, Length 20 inches

Product ID: CLR1020
Unit of Measure
24/EA
Min Order Qty
24
Length
50.8 cm / 20 in
Micron
10 micron
Claris® Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 29.75 inches product photo

Claris® Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 29.75 inches

Product ID: CLR12975
Unit of Measure
24/EA
Min Order Qty
24
Length
75.6 cm / 29.75 in
Micron
1 micron
Claris® Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 30 inches, Nitrile product photo

Claris® Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 30 inches, Nitrile

Product ID: CLR130M3N
Unit of Measure
12/EA
Min Order Qty
12

Claris® Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 20 inches, silicone, SOE fin end external 222 O-rings

Product ID: CLR120M8S
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
Gasket / O-Ring Material
Silicone
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Claris® Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 40 inches, EPDM, SOE flat closed end external 222 O-rings

Product ID: CLR140M3E
Unit of Measure
24/EA
Min Order Qty
24
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
EPDM
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This product is currently not available. Please contact us for more information.

Claris® Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 10 inches product photo

Claris® Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 10 inches

Product ID: CLR110
Unit of Measure
36/EA
Min Order Qty
36
Length
25.4 cm / 10 in
Micron
1 micron

Claris® Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 9.875 inches

Product ID: CLR19875
Unit of Measure
36/EA
Min Order Qty
36
Removal Rating
1 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 20 μm, Polypropylene, Length 40 inches, Nitrile, SOE flat closed end external 222 O-ring

Product ID: CLR2040M18N
Unit of Measure
12/EA
Min Order Qty
12
Removal Rating
20 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 20 μm, Polypropylene, Length 40 inches product photo

Claris® Filter Cartridges, Removal Rating 20 μm, Polypropylene, Length 40 inches

Product ID: CLR2040
Unit of Measure
12/EA
Min Order Qty
12
Length
102 cm / 40 in
Micron
20 micron
1,409 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.