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. 

Order Products

Product Type

Accessories and Spare Parts

CP721-200-ACNN606V

Product ID: FP91M944AB20
Unit of Measure
1/EA
Min Order Qty
1

STRINGWOUND FILTER

Product ID: FPY5R10S
Unit of Measure
1/EA
Min Order Qty
1

BREATHER FILTER

Product ID: FS05025
Unit of Measure
6/EA
Min Order Qty
6

BUNA N O-RING

Product ID: G0769
Unit of Measure
1/EA
Min Order Qty
1

8” 150 Lb SW 304 Graphite/304 outer Ring

Product ID: GASKETWBS211606
Unit of Measure
1/EA
Min Order Qty
1

Spiral Wound Gasket- 304 inner

Product ID: GASKET16150RF
Unit of Measure
1/EA
Min Order Qty
1

Filtermembran d 47mm / 10µm

Product ID: GHA900-010
Unit of Measure
1/EA
Min Order Qty
1

Filtermembran d 47mm / 7µm

Product ID: GHA900-007
Unit of Measure
1/EA
Min Order Qty
1
GHA900-010N product photo

Filtermembran d 47mm / 10µm

Product ID: GHA900-010N
Unit of Measure
1/EA
Min Order Qty
1

O-RING BS3601-242 FLUOROCARBON FDA USP3A

Product ID: GK1242PH01
Unit of Measure
1/EA
Min Order Qty
1

Ultipor® Filter Housing Seal Kit

Product ID: H3312SKH
Unit of Measure
1/EA
Min Order Qty
1

H4510SKH SEAL KIT

Product ID: H4510SKH
Unit of Measure
1/EA
Min Order Qty
1

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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.