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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Accessories Spare Parts
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Backwash Filters
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NC075AW40A

Product ID: NC075AW40A
Unit of Measure
10/EA
Min Order Qty
10

P005RC30S 395

Product ID: P005RC30S395
Unit of Measure
5/EA
Min Order Qty
5

PE100P2L

Product ID: PE100P2L
Unit of Measure
50/EA
Min Order Qty
50

Profile® Nylon, Filter Cartridges, Removal Rating 20 μm, Nylon, Length 40 Inches

Product ID: RGN4FN200
Unit of Measure
12/EA
Min Order Qty
12
Removal Rating
20 µm
Membrane Material
Nylon
Cartridge Length (Imperial)
40 in
Cartridge Length (Metric)
1020 mm
Cartridge Length (Metric)
102 cm
Cartridge Outer Diameter (OD) (Imperial)
2.5 in
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ORG NORDEL EPDM PEROXIDE CURED

Product ID: T10540084
Unit of Measure
1/EA
Min Order Qty
1

U003AW40U

Product ID: U003AW40U
Unit of Measure
10/EA
Min Order Qty
10
WS18 - 1/2" NPT 200mm Probe 10m Cable product photo

WS18 - 1/2" NPT 200mm Probe 10m Cable

Product ID: WS18DSB08L10
Unit of Measure
1/EA
Min Order Qty
1

10P30U

Product ID: 10P30U
Unit of Measure
20/EA
Min Order Qty
20

120-013-10 FILTER BAG

Product ID: 12001310FILTERBAG
Unit of Measure
72/EA
Min Order Qty
72

1C30S

Product ID: 1C30S
Unit of Measure
20/EA
Min Order Qty
20
Balston Filter product photo

Balston Filter

Product ID: 20035DX
Unit of Measure
10/EA
Min Order Qty
10

200NC30U

Product ID: 200NC30U
Unit of Measure
20/EA
Min Order Qty
20
34 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.