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
Coalescers
Coalescers
Depth Filter Sheets
Depth Filter Sheets
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
Lenticular Filters
Lenticular Filters
Metal Filters
Metal Filters
Microza Hollow Fiber Modules
Microza Hollow Fiber Modules

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Availability

In Stock

FEATURED

Supralon™ Lube and Hydraulic Fluid Filter Elements, Removal Rating 7 μm, GlassFiber, Length 13 inches

Product ID: HC9604FRN13H
Unit of Measure
6/EA
Min Order Qty
6
Removal Rating
7 µm
Membrane Material
Glass Fiber

SUPRApak PW 5200 SW

Product ID: 5302800/S
Unit of Measure
1/EA
Min Order Qty
1
Diameter (Imperial)
7.5 in
Diameter (Metric)
183 mm
Filter Media
Kieselguhr, Perlite and Cellulose Fibers
Filtration Area (Imperial)
4.3 ft²
Filtration Area (Metric)
0.4 m²
Food Contact Compliant
Yes
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SUPRAdisc SD II 300 200X300C232SPW

Product ID: 7007876
Unit of Measure
1/EA
Min Order Qty
1
1. Recommended Max. Backpressure During Backwash
0.5 bar
2. Recommended Max. Backpressure During Backwash
7.25 psid
Adaptor Type
Double Open End, Flat Gasket
Core Drainage Discs
Polypropylene
Diameter (Imperial)
12 in
Diameter (Metric)
287 mm
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Claris® Filter Cartridges, Removal Rating 5 μm, Polypropylene, Length 29.25 inches product photo

Claris® Filter Cartridges, Removal Rating 5 μm, Polypropylene, Length 29.25 inches

Product ID: CLR52925
Unit of Measure
12/EA
Min Order Qty
12
Micron
5 micron
Length
74.3 cm / 29.25 in

Duo-Fine® II, Filter Cartridges, Removal Rating 3 μm, Length 10 Inches, Nitrile

Product ID: DFN310AN264
Unit of Measure
30/EA
Min Order Qty
30
Removal Rating
3 µm
Cartridge Length (Imperial)
10 in
Cartridge Length (Metric)
254 mm
Cartridge Length (Metric)
25.4 cm
Gasket / O-Ring Material
Nitrile
End Configuration
Blank - DOE with elastomer gasket seals & end caps
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Duo-Fine®, Filter Cartridges, Removal Rating 10 μm, Length 20 Inches

Product ID: DFPT1020ETM3
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
10 µm
Cartridge Length (Imperial)
20 in
Cartridge Length (Metric)
508 mm
Cartridge Length (Metric)
50.8 cm
End Configuration Code
M3
End Configuration
SOE flat closed end, external 222 O-rings (retrofits other manufacturers’ Code 0) 3
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This product is currently not available. Please contact us for more information.

SCREW SET .31-18X.594 NYL

Product ID: F1128166
Unit of Measure
1/EA
Min Order Qty
1

Q4152-514AD QUAD RING Z

Product ID: F1307155
Unit of Measure
1/EA
Min Order Qty
1

Ultipleat SRT Glass Fiber 7 micron (Beta 1000) Nitrile 20in 50.8cm

Product ID: F1389414
Unit of Measure
1/EA
Min Order Qty
1
Anti-Static
Yes
Beta Rating
BETA 1000
Element Series
UE619
Family
Ultipleat SRT
Filter Media
Glass Fiber
Filter Removal Rating
7 micron (Beta 1000)
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Supralon™ Lube and Hydraulic Fluid Filter Elements, Removal Rating 7 μm, GlassFiber, Length 8 Inches

Product ID: HC7414FRN8Z
Unit of Measure
12/EA
Min Order Qty
12
Anti-Static
Yes
Beta Rating
BETA 2000
Element Series
HC7414
Family
Supralon
Filter Media
Glass Fiber
Filter Removal Rating
7 micron (Beta 2000)
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FEATURED

Supralon™ Lube and Hydraulic Fluid Filter Elements, Removal Rating 5 μm, GlassFiber, Length 16 inches

Product ID: HC9600FRP16Z
Unit of Measure
6/EA
Min Order Qty
6
Removal Rating
5 µm
Membrane Material
Glass Fiber
FEATURED

Ultipleat® High Flow, Large Format Filters, Filter Grade 20 µm, Pleated Polypropylene Depth Structure, Length 40 Inches, Ethylene Propylene O-ring Material

Product ID: HFU640UY200J
Unit of Measure
1/EA
Min Order Qty
1
Filter Grade
3 µm
Hardware Material
Glass Filled Polypropylene
Media Material
PTFE
Outside Diameter (Imperial)
6 in
Outside Diameter (Metric)
152 mm
Cartridge Length (Imperial)
20.7 in
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1,619 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.