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. 

Filter Cartridges
Filter Cartridges

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Brand

DFT Classic®

Industries

Industrial Manufacturing

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DFT Classic®, Filter Cartridges, Removal Rating 50 μm, Bleached cotton, Length 20 Inches, Polypropylene, Bulk packaging product photo

DFT Classic®, Filter Cartridges, Removal Rating 50 μm, Bleached cotton, Length 20 Inches, Polypropylene, Bulk packaging

Product ID: C050AW20U
Unit of Measure
10/EA
Min Order Qty
10
Packaging
Bulk
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DFT Classic®, Filter Cartridges, Removal Rating 75 μm, Length 10 Inches, Electrolytic tin plated steel product photo

DFT Classic®, Filter Cartridges, Removal Rating 75 μm, Length 10 Inches, Electrolytic tin plated steel

Product ID: C075A10T
Unit of Measure
30/EA
Min Order Qty
30
Packaging
Bulk
See All Attributes

DFT Classic®, Filter Cartridges, Removal Rating 75 μm, Length 30 Inches, Polypropylene

Product ID: C075AW30U
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
75 µm
Cartridge Length (Imperial)
30 in
Cartridge Length (Metric)
762 mm
Cartridge Length (Metric)
76.2 cm
Cartridge Outer Diameter (OD) (Imperial)
2.5 in
Cartridge Outer Diameter (OD) (Metric)
6.4 cm
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DFT Classic®, Filter Cartridges, Removal Rating 100 μm, Length 10 Inches, Polypropylene product photo

DFT Classic®, Filter Cartridges, Removal Rating 100 μm, Length 10 Inches, Polypropylene

Product ID: C100A10U
Unit of Measure
30/EA
Min Order Qty
30
C150AW20U product photo

C150AW20U

Product ID: C150AW20U
Unit of Measure
10/EA
Min Order Qty
10
CA26633C00 product photo

CA26633C00

Product ID: CA26633C00
Unit of Measure
1/EA
Min Order Qty
1

CC13377C08

Product ID: CC13377C08
Unit of Measure
1/EA
Min Order Qty
1

CC13826C00

Product ID: CC13826C00
Unit of Measure
1/EA
Min Order Qty
1
FILTER CANISTER LOWER MAINTENANCE ROOM product photo

FILTER CANISTER LOWER MAINTENANCE ROOM

Product ID: CC17074E02S
Unit of Measure
1/EA
Min Order Qty
1

This product is currently not available. Please contact us for more information.

CC20068C02

Product ID: CC20068C02
Unit of Measure
1/EA
Min Order Qty
1

CC20068C01

Product ID: CC20068C01
Unit of Measure
1/EA
Min Order Qty
1

CC28665C00

Product ID: CC28665C00
Unit of Measure
1/EA
Min Order Qty
1
87 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.