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. 

Depth Filter Cartridges
Depth Filter Cartridges
Pleated Depth Filter Cartridges
Pleated Depth Filter Cartridges
Pleated Filter Cartridges
Pleated Filter Cartridges
String-Wound Filter Cartridges
String-Wound Filter Cartridges

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Industries

Microelectronics

RM2F050H21-COA

Product ID: RM2F050H21COATIMMD
Unit of Measure
1/EA
Min Order Qty
1
NXT 75-30U product photo

Nexis, NXT, 75 μm, 76.2 cm (30 in), DOE industrial (no end caps)

Product ID: NXT7530U
Unit of Measure
1/EA
Min Order Qty
1
Micron
75 micron
K3A20U-1PK 430 product photo

K3A20U-1PK 430

Product ID: K3A20U1PK430
Unit of Measure
1/EA
Min Order Qty
1
Packaging
Individually wrapped
See All Attributes
U025AW19.5U product photo

U025AW19.5U

Product ID: U025AW195U
Unit of Measure
1/EA
Min Order Qty
1
Packaging
Bulk
See All Attributes
U350A10U product photo

U350A10U

Product ID: U350A10UT2
Unit of Measure
1/EA
Min Order Qty
1
Packaging
Bulk
See All Attributes
U003AW40U-1PK product photo

3um, 40", 2.5 OD, Polypropylene Core, Individually wrapped

Product ID: U003AW40U1PK
Unit of Measure
1/pkg
Min Order Qty
1
Packaging
Individually wrapped
See All Attributes
U100AW30T-EC1T product photo

U100AW30T-EC1T

Product ID: U100AW30TEC1T
Unit of Measure
1/EA
Min Order Qty
1
Packaging
Bulk
See All Attributes

Y003FS10

Product ID: Y003FS10TIMONIUM
Unit of Measure
12/EA
Min Order Qty
12

R3F700

Product ID: R3F700TIMONIUM
Unit of Measure
48/EA
Min Order Qty
48
PolyFine-II Filter Cartridge, Highly asymmetric polysulfone, 0.2 µm, 10 in, Nitrile (standard gaskets) , M3 product photo

PolyFine-II Filter Cartridge, Highly asymmetric polysulfone, 0.2 µm, 10 in, Nitrile (standard gaskets) , M3

Product ID: PFT0210UNM3
Unit of Measure
1/EA
Min Order Qty
1
Micron
0.2 µm

R2F030

Product ID: R2F030TIMONIUM
Unit of Measure
24/EA
Min Order Qty
48

NXT 7-20U

Product ID: NXT720U
Unit of Measure
20/EA
Min Order Qty
20
290 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.