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. 

Housings Vessels Assemblies
Housings Vessels Assemblies
Lenticular Filters
Lenticular Filters

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Diameter

410 mm

Backflush Support Set-for SUPRAdisc II 16" modules, to be used in WSFZ 16" 4 high housings

Product ID: 20041342
Unit of Measure
1/EA
Min Order Qty
1
Diameter (Imperial)
16 in
Diameter (Metric)
410 mm
Food Contact Compliant
Yes
Hot Water Sanitization
85 °C
Steam Sterilization
121 °C
Support Grid
Polypropylene
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SUPRApak SW 7000 LW

Product ID: 5302741
Unit of Measure
1/EA
Min Order Qty
1
Core Drainage Discs
Polypropylene
Diameter (Imperial)
16 in
Diameter (Metric)
410 mm
Filter Media
Kieselguhr, Perlite and Cellulose Fibers
Filtration Area (Imperial)
86.1 ft²
Filtration Area (Metric)
8 m²
See All Attributes

SUPRApak PW 5900 LW

Product ID: 5302742
Unit of Measure
1/EA
Min Order Qty
1
Diameter (Imperial)
16 in
Diameter (Metric)
410 mm
Filter Media
Kieselguhr, Perlite and Cellulose Fibers
Filtration Area (Imperial)
86.1 ft²
Filtration Area (Metric)
8 m²
Food Contact Compliant
Yes
See All Attributes

SUPRApak SW 5500 LW

Product ID: 5302803
Unit of Measure
1/EA
Min Order Qty
1
Core Drainage Discs
Polypropylene
Diameter (Imperial)
16 in
Diameter (Metric)
410 mm
Filter Media
Kieselguhr, Perlite and Cellulose Fibers
Filtration Area (Imperial)
86.1 ft²
Filtration Area (Metric)
8 m²
See All Attributes

SUPRApak SW 5700 LW

Product ID: 5302870
Unit of Measure
1/EA
Min Order Qty
1
Core Drainage Discs
Polypropylene
Diameter (Imperial)
16 in
Diameter (Metric)
410 mm
Filter Media
Kieselguhr, Perlite and Cellulose Fibers
Filtration Area (Imperial)
86.1 ft²
Filtration Area (Metric)
8 m²
See All Attributes

SUPRApak SW 5900 LW

Product ID: 5302871
Unit of Measure
1/EA
Min Order Qty
1
Core Drainage Discs
Polypropylene
Diameter (Imperial)
16 in
Diameter (Metric)
410 mm
Filter Media
Kieselguhr, Perlite and Cellulose Fibers
Filtration Area (Imperial)
86.1 ft²
Filtration Area (Metric)
8 m²
See All Attributes

SUPRApak SW 7100 LW

Product ID: 5302872
Unit of Measure
1/EA
Min Order Qty
1
Core Drainage Discs
Polypropylene
Diameter (Imperial)
16 in
Diameter (Metric)
410 mm
Filter Media
Kieselguhr, Perlite and Cellulose Fibers
Filtration Area (Imperial)
86.1 ft²
Filtration Area (Metric)
8 m²
See All Attributes

SUPRApak SH 7200 LW

Product ID: 5302911
Unit of Measure
1/EA
Min Order Qty
1
Core Drainage Discs
Polypropylene
Diameter (Imperial)
16 in
Diameter (Metric)
410 mm
Filter Media
Kieselguhr, Perlite and Cellulose Fibers
Filtration Area (Imperial)
86.1 ft²
Filtration Area (Metric)
8 m²
See All Attributes

SUPRApak PW 5700 LW

Product ID: 5303071
Unit of Measure
1/EA
Min Order Qty
1
Diameter (Imperial)
16 in
Diameter (Metric)
410 mm
Filtration Area (Imperial)
86.1 ft²
Filtration Area (Metric)
8 m²
Food Contact Compliant
Yes
Height (Imperial)
10.7 in
See All Attributes

SUPRApak PW 7100 LW

Product ID: 5303072
Unit of Measure
1/EA
Min Order Qty
1
Diameter (Imperial)
16 in
Diameter (Metric)
410 mm
Filter Media
Kieselguhr, Perlite and Cellulose Fibers
Filtration Area (Imperial)
86.1 ft²
Filtration Area (Metric)
8 m²
Food Contact Compliant
Yes
See All Attributes

SUPRApak SW 7700 LW

Product ID: 5303103
Unit of Measure
1/EA
Min Order Qty
1
Core Drainage Discs
Polypropylene
Diameter (Imperial)
16 in
Diameter (Metric)
410 mm
Filter Media
Cellulose
Filtration Area (Imperial)
86.1 ft²
Filtration Area (Metric)
8 m²
See All Attributes

SUPRApak SH 5900 LW

Product ID: 5303133
Unit of Measure
1/EA
Min Order Qty
1
Core Drainage Discs
Polypropylene
Diameter (Imperial)
16 in
Diameter (Metric)
410 mm
Filter Media
Kieselguhr, Perlite and Cellulose Fibers
Filtration Area (Imperial)
86.1 ft²
Filtration Area (Metric)
8 m²
See All Attributes
30 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.