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. 

Accessories Spare Parts
Accessories Spare Parts
Coalescers
Coalescers
Depth Filter Sheets
Depth Filter Sheets
Diagnostic Monitoring Equipment
Diagnostic Monitoring Equipment
Filter Capsules
Filter Capsules
Filter Cartridges
Filter Cartridges
Housings Vessels Assemblies
Housings Vessels Assemblies
Large Format Filters
Large Format Filters
Lenticular Filters
Lenticular Filters
Metal Filters
Metal Filters
Microza Hollow Fiber Modules
Microza Hollow Fiber Modules

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Availability

In Stock

FEATURED

Supralon™ Lube and Hydraulic Fluid Filter Elements, Removal Rating 7 μm, GlassFiber, Length 13 inches

Product ID: HC9604FRN13H
Unit of Measure
6/EA
Min Order Qty
6
Removal Rating
7 µm
Membrane Material
Glass Fiber

25RPN19.5

Product ID: 25RPN195
Unit of Measure
18/EA
Min Order Qty
18

SUPRApak PW 5200 SW

Product ID: 5302800/S
Unit of Measure
1/EA
Min Order Qty
1
Diameter (Imperial)
7.5 in
Diameter (Metric)
183 mm
Filter Media
Kieselguhr, Perlite and Cellulose Fibers
Filtration Area (Imperial)
4.3 ft²
Filtration Area (Metric)
0.4 m²
Food Contact Compliant
Yes
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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
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SUPRApak PW Series L Size, 16", PW 5500 Media, 8 m² Filter Area

Product ID: 5302807
Unit of Measure
1/EA
Min Order Qty
1
Flat Gasket Seal
Polypropylene
Food Contact Compliant
Yes
Hot Water Sanitization (Imperial)
185 °F
Steam Sterilization
125 °C
Steam Sterilization (Imperial)
258 °F
Series
PW-Series
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SUPRApak PW 7100 MW

Product ID: 5303072/M
Unit of Measure
1/EA
Min Order Qty
1
Diameter (Imperial)
11.2 in
Diameter (Metric)
285 mm
Filter Media
Kieselguhr, Perlite and Cellulose Fibers
Filtration Area (Imperial)
29.1 ft²
Filtration Area (Metric)
2.7 m²
Food Contact Compliant
Yes
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SUPRApak PW 5700 MW

Product ID: 5303071/M
Unit of Measure
1/EA
Min Order Qty
1
Diameter (Imperial)
11.2 in
Diameter (Metric)
285 mm
Filter Media
Kieselguhr, Perlite and Cellulose Fibers
Filtration Area (Imperial)
29.1 ft²
Filtration Area (Metric)
2.7 m²
Food Contact Compliant
Yes
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
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SUPRAdisc SD II 080 200X080C232SPW

Product ID: 7007865
Unit of Measure
1/EA
Min Order Qty
1
1. Recommended Max. Backpressure During Backwash
0.5 bar
2. Recommended Max. Backpressure During Backwash
7.25 psid
Adaptor Type
Double Open End, Flat Gasket
Core Drainage Discs
Polypropylene
Diameter (Imperial)
12 in
Diameter (Metric)
287 mm
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SUPRAdisc SD II 300 200X300C232SPW

Product ID: 7007876
Unit of Measure
1/EA
Min Order Qty
1
1. Recommended Max. Backpressure During Backwash
0.5 bar
2. Recommended Max. Backpressure During Backwash
7.25 psid
Adaptor Type
Double Open End, Flat Gasket
Core Drainage Discs
Polypropylene
Diameter (Imperial)
12 in
Diameter (Metric)
287 mm
See All Attributes

A1449249

Product ID: A1449249
Unit of Measure
30/EA
Min Order Qty
30

AB1Y0503J

Product ID: AB1Y0503JTIMONIUM
Unit of Measure
1/EA
Min Order Qty
1
1,626 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.