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. 

Pleated Filter Cartridges
Pleated Filter Cartridges
String-Wound Filter Cartridges
String-Wound Filter Cartridges

Order Products

Filter Media

Nylon

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

Product ID: RGN4FN400
Unit of Measure
12/EA
Min Order Qty
12
Removal Rating
40 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
See All Attributes

Profile® Nylon, Filter Cartridges, Removal Rating 30 μm, Nylon, Length 10 Inches

Product ID: RGN1F300AOC
Unit of Measure
24/EA
Min Order Qty
24
Removal Rating
30 µm
Membrane Material
Nylon
Cartridge Length (Imperial)
10 in
Cartridge Length (Metric)
254 mm
Cartridge Length (Metric)
25.4 cm
Cartridge Outer Diameter (OD) (Imperial)
2.5 in
See All Attributes

Profile® Nylon, Filter Cartridges, Removal Rating 40 μm, Nylon, Length 30 Inches

Product ID: RGN3FN400
Unit of Measure
12/EA
Min Order Qty
12
Removal Rating
40 µm
Membrane Material
Nylon
Cartridge Length (Imperial)
30 in
Cartridge Length (Metric)
762 mm
Cartridge Length (Metric)
76.2 cm
Cartridge Outer Diameter (OD) (Imperial)
2.5 in
See All Attributes

Profile® Nylon, Filter Cartridges, Removal Rating 7 μm, Nylon, Length 20 Inches

Product ID: RGN2F070AOC
Unit of Measure
24/EA
Min Order Qty
24
Removal Rating
7 µm
Membrane Material
Nylon
Cartridge Length (Imperial)
20 in
Cartridge Length (Metric)
508 mm
Cartridge Length (Metric)
50.8 cm
Cartridge Outer Diameter (OD) (Imperial)
2.5 in
See All Attributes

Profile® Nylon, Filter Cartridges, Removal Rating 40 μm, Nylon, Length 10 Inches

Product ID: RGN1FN400NPL
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
40 µm
Membrane Material
Nylon
Cartridge Length (Imperial)
10 in
Cartridge Length (Metric)
254 mm
Cartridge Length (Metric)
25.4 cm
Cartridge Outer Diameter (OD) (Imperial)
2.5 in
See All Attributes

Profile® Nylon, Filter Cartridges, Removal Rating 5 μm, Nylon, Length 30 Inches

Product ID: RGN3FN050
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
5 µm
Membrane Material
Nylon
Cartridge Length (Imperial)
30 in
Cartridge Length (Metric)
762 mm
Cartridge Length (Metric)
76.2 cm
Cartridge Outer Diameter (OD) (Imperial)
2.5 in
See All Attributes

Profile® Nylon, Filter Cartridges, Removal Rating 5 μm, Nylon

Product ID: RGN29FN050
Unit of Measure
12/EA
Min Order Qty
12
Removal Rating
5 µm
Membrane Material
Nylon
Cartridge Outer Diameter (OD) (Imperial)
2.5 in
Cartridge Outer Diameter (OD) (Metric)
6.4 cm

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

Product ID: RGN2FN400NPL
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
40 µm
Membrane Material
Nylon
Cartridge Length (Imperial)
20 in
Cartridge Length (Metric)
508 mm
Cartridge Length (Metric)
50.8 cm
Cartridge Outer Diameter (OD) (Imperial)
2.5 in
See All Attributes
44 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.