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. 

Lube and Hydraulic Pleated Filter Elements
Lube and Hydraulic Pleated Filter Elements

Order Products

Nominal Length (Imperial)

4 in

Anti Static

No

Product Use

Lube and Hydraulic Oil Filtration

Ultipor III Glass Fiber 5 micron (Beta 1000) Fluorocarbon 4in 10.16cm

Product ID: HC9600FTP4Z
Unit of Measure
12/EA
Min Order Qty
12
Anti-Static
No
Beta Rating
BETA 1000
Element Series
HC9600
Family
Ultipor III
Filter Media
Glass Fiber
Filter Removal Rating (μm)
5 µm
See All Attributes

Ultipor III Wire Mesh 50 micron Nitrile 4in 10.16cm

Product ID: HC9020EOM4H
Unit of Measure
1/EA
Min Order Qty
1
Anti-Static
No
Element Series
HC9020
Family
Ultipor III
Filter Media
Wire Mesh
Filter Removal Rating (μm)
50 µm
Nominal Length (Imperial)
4 in
See All Attributes

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

Ultipor III Glass Fiber 25 micron (Beta 1000) Chloroprene 4in 10.16cm length

Product ID: HC9020FTT4P
Unit of Measure
12/EA
Min Order Qty
12
Anti-Static
No
Beta Rating
BETA 1000
Element Series
HC9020
Family
Ultipor III
Filter Media
Glass Fiber
Filter Removal Rating (μm)
25 µm
See All Attributes

ELEMENT CORALON HCT200FCS04H

Product ID: HCT200FCS04H
Unit of Measure
1/EA
Min Order Qty
1
Anti-Static
No
Beta Rating
BETA 1000
Element Series
HCT200
Family
Versalon
Filter Media
Glass Fiber
Filter Removal Rating (μm)
12 µm
See All Attributes

Discontinued

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

Ultipor III Glass Fiber Nitrile 4in 10.16cm (REPLACED BY HC9800FRD4Z)

Product ID: HC9800FKD4H
Unit of Measure
1/EA
Min Order Qty
1
Anti-Static
No
Element Series
HC9800
Family
Ultipor III
Filter Media
Glass Fiber
Nominal Length (Imperial)
4 in
Nominal Length (Metric)
10.16 cm
See All Attributes

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

Ultipor III Glass Fiber 5 micron (Beta 1000) Fluorocarbon 4in 10.16cm (REPLACED BY HC9601FHP4ZYMC)

Product ID: HC9601FDP4ZYMC
Unit of Measure
1/EA
Min Order Qty
1
Anti-Static
No
Beta Rating
BETA 1000
Element Series
HC9601
Family
Ultipor III
Filter Media
Glass Fiber
Filter Removal Rating (μm)
5 µm
See All Attributes

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

Element Coralon HC2196FCP4H50

Product ID: HC2196FCP4H50
Unit of Measure
1/EA
Min Order Qty
1
Anti-Static
No
Beta Rating
BETA 1000
Element Series
HC2196
Family
Red1000
Filter Media
Glass Fiber
Filter Removal Rating
5 Micron, Beta 1000
See All Attributes

Discontinued

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

Ultipor III Glass Fiber 7 micron (Beta 1000) Nitrile 4in 10.16cm (REPLACED BY HC7400SRN4HYR61)

Product ID: HC7400SKN4HYR61
Unit of Measure
1/EA
Min Order Qty
1
Anti-Static
No
Beta Rating
BETA 1000
Element Series
HC7400
Family
Ultipor III
Filter Media
Glass Fiber
Filter Removal Rating
7 micron (Beta 1000)
See All Attributes

Ultipor III Glass Fiber 25 micron (Beta 1000) Nitrile 4in 10.16cm (REPLACED BY HC9021FHT4HY923)

Product ID: HC9021FDT4HY923
Unit of Measure
1/EA
Min Order Qty
1
Anti-Static
No
Beta Rating
BETA 1000
Element Series
HC9021
Family
Ultipor III
Filter Media
Glass Fiber
Filter Removal Rating (μm)
15 µm
See All Attributes

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

Ultipor III Glass Fiber 12 micron (Beta 1000) Nitrile 4in 10.16cm (REPLACED BY HC7400SRS4Z)

Product ID: HC7400SKS4H
Unit of Measure
1/EA
Min Order Qty
1
Anti-Static
No
Beta Rating
BETA 1000
Element Series
HC7400
Family
Ultipor III
Filter Media
Glass Fiber
Filter Removal Rating
12 micron (Beta 1000)
See All Attributes

Red1000 Glass Fiber 22 micron (Beta 1000) Nitrile 4in 10.16cm (REPLACED BY HC2217FHT14Z)

Product ID: HC2217FCT14H
Unit of Measure
1/EA
Min Order Qty
1
Anti-Static
No
Beta Rating
BETA 1000
Element Series
HC2217
Family
Red1000
Filter Media
Glass Fiber
Filter Removal Rating
22 micron, Beta 1000
See All Attributes

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

Red1000 Glass Fiber 3 micron (Beta 1000) Nitrile 4in 10.16cm

Product ID: HC2618FCZ34HX321
Unit of Measure
1/EA
Min Order Qty
1
Anti-Static
No
Beta Rating
BETA 1000
Element Series
HC2618
Family
Red1000
Filter Media
Glass Fiber
Filter Removal Rating
3 micron (Beta 1000)
See All Attributes

Discontinued

This part is no longer available. Please contact us for more information.
47 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.