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. 

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Effective Filtration Area

22 cm²

Supracap™ 50 depth filter capsule with single-layer media grade K700P (6-15 µm retention rating) and luer-lock connections product photo

Supracap™ 50 depth filter capsule with single-layer media grade K700P (6-15 µm retention rating) and luer-lock connections

Product ID: SC050P700
Unit of Measure
1/EA
Min Order Qty
1
Retention Rating
6-15 µm
Membrane Material
Regenerated Cellulose
Maximum Batch Volume
3 L
Effective Filtration Area (Metric)
22 cm²
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Supracap™ 50 depth filter capsule with dual-layer media grade PDC1 (0.1-0.5 µm retention rating) and luer-lock connections product photo

Supracap™ 50 depth filter capsule with dual-layer media grade PDC1 (0.1-0.5 µm retention rating) and luer-lock connections

Product ID: SC050PDC1
Unit of Measure
1/EA
Min Order Qty
1
Retention Rating
0.1-0.5 µm
Membrane Material
Regenerated Cellulose
Maximum Batch Volume
3 L
Effective Filtration Area (Metric)
22 cm²
See All Attributes
Supracap™ 50 depth filter capsule with single-layer media grade K200P (3-6 µm retention rating) and luer-lock connections product photo

Supracap™ 50 depth filter capsule with single-layer media grade K200P (3-6 µm retention rating) and luer-lock connections

Product ID: SC050P200
Unit of Measure
1/EA
Min Order Qty
1
Retention Rating
3-6 µm
Membrane Material
Regenerated Cellulose
Maximum Batch Volume
3 L
Effective Filtration Area (Metric)
22 cm²
See All Attributes
Supracap™ 50 depth filter capsule with dual-layer media grade PDD2 (0.2-0.8 µm retention rating) and luer-lock connections product photo

Supracap™ 50 depth filter capsule with dual-layer media grade PDD2 (0.2-0.8 µm retention rating) and luer-lock connections

Product ID: SC050PDD2
Unit of Measure
1/EA
Min Order Qty
1
Retention Rating
0.2-0.8 µm
Membrane Material
Regenerated Cellulose
Maximum Batch Volume
3 L
Effective Filtration Area (Metric)
22 cm²
See All Attributes
Supracap™ 50 depth filter capsule with dual-layer media grade PDE2 (0.2-3.5 µm retention rating) and luer-lock connections product photo

Supracap™ 50 depth filter capsule with dual-layer media grade PDE2 (0.2-3.5 µm retention rating) and luer-lock connections

Product ID: SC050PDE2
Unit of Measure
1/EA
Min Order Qty
1
Retention Rating
0.2-3.5 µm
Membrane Material
Regenerated Cellulose
Maximum Batch Volume
3 L
Effective Filtration Area (Metric)
22 cm²
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Supracap™ 50 depth filter capsule with single-layer media grade SUPRA 80P (1-3 µm retention rating) and luer-lock connections product photo

Supracap™ 50 depth filter capsule with single-layer media grade SUPRA 80P (1-3 µm retention rating) and luer-lock connections

Product ID: SC050P080
Unit of Measure
1/EA
Min Order Qty
1
Retention Rating
1-3 µm
Membrane Material
Regenerated Cellulose
Maximum Batch Volume
3 L
Effective Filtration Area (Metric)
22 cm²
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Supracap™ 50 depth filter capsule with single-layer media grade BIO 20 (0.4-1 µm retention rating) and luer-lock connections product photo

Supracap™ 50 depth filter capsule with single-layer media grade BIO 20 (0.4-1 µm retention rating) and luer-lock connections

Product ID: SC050B020
Unit of Measure
1/EA
Min Order Qty
1
Retention Rating
0.4-1.0 µm
Membrane Material
Cellulose
Maximum Batch Volume
3 L
Effective Filtration Area (Metric)
22 cm²
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Supracap™ 50 depth filter capsule with single-layer media grade T1500P (11-30 µm retention rating) and luer-lock connections product photo

Supracap™ 50 depth filter capsule with single-layer media grade T1500P (11-30 µm retention rating) and luer-lock connections

Product ID: SC050P1500
Unit of Measure
1/EA
Min Order Qty
1
Retention Rating
11-30 µm
Membrane Material
Regenerated Cellulose
Maximum Batch Volume
3 L
Effective Filtration Area (Metric)
22 cm²
See All Attributes
Supracap™ 50 depth filter capsule with single-layer media grade K100P (1-3 µm retention rating) and luer-lock connections product photo

Supracap™ 50 depth filter capsule with single-layer media grade K100P (1-3 µm retention rating) and luer-lock connections

Product ID: SC050P100
Unit of Measure
1/EA
Min Order Qty
1
Retention Rating
1-3 µm
Membrane Material
Regenerated Cellulose
Maximum Batch Volume
3 L
Effective Filtration Area (Metric)
22 cm²
See All Attributes
Supracap™ 50 depth filter capsule with single-layer media grade K250P (4-9 µm retention rating) and luer-lock connections product photo

Supracap™ 50 depth filter capsule with single-layer media grade K250P (4-9 µm retention rating) and luer-lock connections

Product ID: SC050P250
Unit of Measure
1/EA
Min Order Qty
1
Retention Rating
4-9 µm
Membrane Material
Regenerated Cellulose
Maximum Batch Volume
3 L
Effective Filtration Area (Metric)
22 cm²
See All Attributes
Supracap™ 50 depth filter capsule with dual-layer media grade PDD1 (0.1-0.85 µm retention rating) and luer-lock connections product photo

Supracap™ 50 depth filter capsule with dual-layer media grade PDD1 (0.1-0.85 µm retention rating) and luer-lock connections

Product ID: SC050PDD1
Unit of Measure
1/EA
Min Order Qty
1
Retention Rating
0.1-0.85 µm
Membrane Material
Regenerated Cellulose
Maximum Batch Volume
3 L
Effective Filtration Area (Metric)
22 cm²
See All Attributes
Supracap™ 50 depth filter capsule with single-layer media grade BIO 10 (0.2-0.4 µm retention rating) and luer-lock connections product photo

Supracap™ 50 depth filter capsule with single-layer media grade BIO 10 (0.2-0.4 µm retention rating) and luer-lock connections

Product ID: SC050B010
Unit of Measure
1/EA
Min Order Qty
1
Retention Rating
0.2-0.4 µm
Membrane Material
Cellulose
Maximum Batch Volume
3 L
Effective Filtration Area (Metric)
22 cm²
See All Attributes

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.