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. 

Large Format Filters
Large Format Filters

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Product Type

Large Format Filters

Nexis® High Flow Large Format Filters, Removal Rating 10 µm, Length 20 inches

Product ID: HFNX620Y100JU
Unit of Measure
4/EA
Min Order Qty
4
Cartridge Length
20/508 inch/mm
Filter Grade
10 µm
Outside Diameter (Imperial)
6 in
Outside Diameter (Metric)
152.4 mm
Cartridge Length (Imperial)
20 in
Cartridge Length (Metric)
508 mm
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Nexis® High Flow Large Format Filters, Removal Rating 100 µm, Length 40 inches

Product ID: HFNX640Y1000J
Unit of Measure
4/EA
Min Order Qty
4
Cartridge Length
40/1016 inch/mm
Filter Grade
100 µm
Outside Diameter (Imperial)
6 in
Outside Diameter (Metric)
152.4 mm
Cartridge Length (Imperial)
40 in
Cartridge Length (Metric)
1016 mm
See All Attributes

Nexis® High Flow Large Format Filters, Removal Rating 75 µm, Length 20 inches

Product ID: HFNX620Y750H13
Unit of Measure
4/EA
Min Order Qty
4
Cartridge Length
20/508 inch/mm
Filter Grade
75 µm
Outside Diameter (Imperial)
6 in
Outside Diameter (Metric)
152.4 mm
Cartridge Length (Imperial)
20 in
Cartridge Length (Metric)
508 mm
See All Attributes

Nexis® High Flow Large Format Filters, Length 40 inches

Product ID: HFNX640Y050JRO198
Unit of Measure
4/EA
Min Order Qty
4
Cartridge Length
40/1016 inch/mm
Outside Diameter (Imperial)
6 in
Outside Diameter (Metric)
152.4 mm
Cartridge Length (Imperial)
40 in
Cartridge Length (Metric)
1016 mm

Nexis® High Flow Large Format Filters, Removal Rating 10 µm, Length 40 inches, Nitrile O-ring

Product ID: HFNX640Y100H13
Unit of Measure
4/EA
Min Order Qty
4
Cartridge Length
40/1016 inch/mm
Filter Grade
10 µm
Outside Diameter (Imperial)
6 in
Outside Diameter (Metric)
152.4 mm
Cartridge Length (Imperial)
40 in
Cartridge Length (Metric)
1016 mm
See All Attributes

Nexis® High Flow Large Format Filters, Removal Rating 40 µm, Length 20 inches

Product ID: HFNX620Y400H13
Unit of Measure
12/EA
Min Order Qty
12
Cartridge Length
20/508 inch/mm
Filter Grade
40 µm
Outside Diameter (Imperial)
6 in
Outside Diameter (Metric)
152.4 mm
Cartridge Length (Imperial)
20 in
Cartridge Length (Metric)
508 mm
See All Attributes

Nexis® High Flow Large Format Filters, Removal Rating 15 µm, Length 40 inches, Nitrile O-ring

Product ID: HFNX640Y150H13
Unit of Measure
4/EA
Min Order Qty
4
Cartridge Length
40/1016 inch/mm
Filter Grade
15 µm
Outside Diameter (Imperial)
6 in
Outside Diameter (Metric)
152.4 mm
Cartridge Length (Imperial)
40 in
Cartridge Length (Metric)
1016 mm
See All Attributes

Nexis® High Flow Large Format Filters, Removal Rating 40 µm, Length 40 inches, Nitrile O-ring

Product ID: HFNX640Y400H13
Unit of Measure
4/EA
Min Order Qty
4
Cartridge Length
40/1016 inch/mm
Filter Grade
40 µm
Outside Diameter (Imperial)
6 in
Outside Diameter (Metric)
152.4 mm
Cartridge Length (Imperial)
40 in
Cartridge Length (Metric)
1016 mm
See All Attributes

Nexis® High Flow Large Format Filters, Removal Rating 10 µm, Length 40 inches

Product ID: HFNX640Y100J
Unit of Measure
4/EA
Min Order Qty
4
Cartridge Length
40/1016 inch/mm
Filter Grade
10 µm
Outside Diameter (Imperial)
6 in
Outside Diameter (Metric)
152.4 mm
Cartridge Length (Imperial)
40 in
Cartridge Length (Metric)
1016 mm
See All Attributes

Nexis® High Flow Large Format Filters, Removal Rating 75 µm, Length 40 inches

Product ID: HFNX640Y750J
Unit of Measure
4/EA
Min Order Qty
4
Cartridge Length
40/1016 inch/mm
Filter Grade
75 µm
Outside Diameter (Imperial)
6 in
Outside Diameter (Metric)
152.4 mm
Cartridge Length (Imperial)
40 in
Cartridge Length (Metric)
1016 mm
See All Attributes

Nexis® High Flow Large Format Filters, Removal Rating 100 µm, Length 60 inches, Ethylene propylene O-ring

Product ID: HFNX660Y1000J
Unit of Measure
4/EA
Min Order Qty
4
Cartridge Length
60/1524 inch/mm
Filter Grade
100 µm
Outside Diameter (Imperial)
6 in
Outside Diameter (Metric)
152.4 mm
Cartridge Length (Imperial)
60 in
Cartridge Length (Metric)
1524 mm
See All Attributes

Nexis® High Flow Large Format Filters, Removal Rating 10 µm, Length 60 inches, Fluorocarbon O-ring

Product ID: HFNX660Y100H
Unit of Measure
4/EA
Min Order Qty
4
Cartridge Length
60/1524 inch/mm
Filter Grade
10 µm
Outside Diameter (Imperial)
6 in
Outside Diameter (Metric)
152.4 mm
Cartridge Length (Imperial)
60 in
Cartridge Length (Metric)
1524 mm
See All Attributes
787 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.