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

Oil & Gas

Nexis® T Filter Cartridges, Removal Rating 5 μm, Polypropylene, Length 5 inches

Product ID: NXT55U
Unit of Measure
60/EA
Min Order Qty
60
Removal Rating
5 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
5 in
Cartridge Length (Metric)
127 mm
Cartridge Length (Metric)
12.7 cm
Gasket / O-Ring Material
NA
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Profile® II, Filter Cartridges, Polypropylene, Length 40 Inches, Timonium

Product ID: RM4F100H21TIMONIUM
Unit of Measure
12/EA
Min Order Qty
12
Removal Rating
10 µm
Membrane Material
Polypropylene
Filter Cartridge Style
RMF-style
Cartridge Length (Imperial)
40 in
Cartridge Length (Metric)
1016 mm
Cartridge Length (Metric)
101.6 cm
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GW010A39.5SE-1PK 246 product photo

GW010A39.5SE-1PK 246

Product ID: GW010A395SE1PK246
Unit of Measure
10/EA
Min Order Qty
10
Packaging
Individually wrapped
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CTRG PRFL 3H C18 N200 H1 GN 20%

Product ID: ABGN3N20018H1
Unit of Measure
12/EA
Min Order Qty
12
Nexis® T Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 40 inches, silicone, SOE fin end external 226 O-rings product photo

Nexis® T Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 40 inches, silicone, SOE fin end external 226 O-rings

Product ID: NXT140UM7S
Unit of Measure
24/EA
Min Order Qty
24
Micron
1 micron
DFT Classic®, Filter Cartridges, Removal Rating 10 μm, Length 30 Inches, Polypropylene, with Extended Core, Bulk packaging product photo

DFT Classic®, Filter Cartridges, Removal Rating 10 μm, Length 30 Inches, Polypropylene, with Extended Core, Bulk packaging

Product ID: U010AW30UEC1U
Unit of Measure
10/EA
Min Order Qty
10
Packaging
Bulk
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HDC® II, Filter Cartridges, Removal Rating 10 μm, Length 30 Inches, silicone

Product ID: AB3J1007H4
Unit of Measure
6/EA
Min Order Qty
6
Removal Rating
10 µm
Membrane Material
Polypropylene
Filter Cartridge Style
Code 7
Cartridge Length (Imperial)
30 in
Cartridge Length (Metric)
762 mm
Cartridge Length (Metric)
76.2 cm
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Profile® II, Filter Cartridges, Polypropylene, Length 10 Inches, Timonium

Product ID: R1F200TIMONIUM
Unit of Measure
24/EA
Min Order Qty
24
Membrane Material
Polypropylene
Filter Cartridge Style
RF-style
Cartridge Length (Imperial)
10 in
Cartridge Length (Metric)
254 mm
Cartridge Length (Metric)
25.4 cm
End Configuration
R type housing
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Nexis® T Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 30 inches, DOE industrial (no end caps)

Product ID: NXT130U769
Unit of Measure
20/EA
Min Order Qty
20
Removal Rating
1 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
30 in
Cartridge Length (Metric)
762 mm
Cartridge Length (Metric)
76.2 cm
Gasket / O-Ring Material
NA
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DFT Classic®, Filter Cartridges, Removal Rating 75 μm, Length 10 Inches, Polypropylene product photo

DFT Classic®, Filter Cartridges, Removal Rating 75 μm, Length 10 Inches, Polypropylene

Product ID: U075A10U
Unit of Measure
30/EA
Min Order Qty
30
Packaging
Bulk
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DFT Classic®, Filter Cartridges, Removal Rating 10 μm, Polypropylene, Length 30 Inches, 316 stainless steel, Bulk packaging product photo

DFT Classic®, Filter Cartridges, Removal Rating 10 μm, Polypropylene, Length 30 Inches, 316 stainless steel, Bulk packaging

Product ID: P010RW30S
Unit of Measure
10/EA
Min Order Qty
10
Packaging
Bulk
See All Attributes
DFT Classic®, Filter Cartridges, Removal Rating 10 μm, Length 20 Inches, 316 stainless steel, Bulk packaging product photo

DFT Classic®, Filter Cartridges, Removal Rating 10 μm, Length 20 Inches, 316 stainless steel, Bulk packaging

Product ID: C010AW20S
Unit of Measure
10/EA
Min Order Qty
10
Packaging
Bulk
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633 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.