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

Order Products

Industries

Microelectronics

Filter Media

Polypropylene

NXA 1-30U-DOEE product photo

Nexis, NXA, 1 μm, 76.2 cm (30 in), DOE with elastomer gasket seals and end caps, EPDM gasket

Product ID: NXA130UDOEE
Unit of Measure
24/EA
Min Order Qty
24
Micron
1 micron
NXT 0.5-20U product photo

Nexis, NXT, 0.5 μm, 50.8 cm (20 in), DOE industrial (no end caps)

Product ID: NXT0520U
Unit of Measure
10/EA
Min Order Qty
10
Micron
0.5 micron
NXA 2-20U-M3E product photo

Nexis, NXA, 2 μm, 50.8 cm (20 in), SOE flat closed end, external 222 O-rings (retrofits other manufacturers’ Code 0), EPDM gasket

Product ID: NXA220UM3E
Unit of Measure
12/EA
Min Order Qty
12
Micron
2 micron
NXT 1-10U-M3F product photo

Nexis, NXT, 1 μm, 25.4 cm (10 in), SOE flat closed end, external 222 O-rings (retrofits other manufacturers’ Code 0), FEP encapsulated fluorocarbon elastomer (O-rings)

Product ID: NXT110UM3F
Unit of Measure
1/EA
Min Order Qty
1
Micron
1 micron
NXA 5-30U-M3E product photo

Nexis, NXA, 5 μm, 76.2 cm (30 in), SOE flat closed end, external 222 O-rings (retrofits other manufacturers’ Code 0), EPDM gasket

Product ID: NXA530UM3E
Unit of Measure
24/EA
Min Order Qty
24
Micron
5 micron
NXA 120-10U-M7E product photo

Nexis, NXA, 120 μm, 25.4 cm (10 in), SOE fin end, external 226 O-rings (retrofits other manufacturers’ Code 7), EPDM gasket

Product ID: NXA12010UM7E
Unit of Measure
1/EA
Min Order Qty
1
Micron
120 micron
NXA 0.5-5U product photo

Nexis, NXA, 0.5 μm, 12.7 cm (5 in), DOE industrial (no end caps)

Product ID: NXA055U
Unit of Measure
60/EA
Min Order Qty
60
Micron
0.5 micron

Profile® Star Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 20 inches, Ethylene Propylene, double O-ring with flat end

Product ID: AB2A0103J
Unit of Measure
6/EA
Min Order Qty
6
Removal Rating
1 µm
Membrane Material
Polypropylene
Filter Cartridge Style
Code 3
Cartridge Length (Imperial)
20 in
Cartridge Length (Metric)
508 mm
Cartridge Length (Metric)
50.8 cm
See All Attributes

Profile® II, Filter Cartridges, Polypropylene, Length 20 Inches

Product ID: RM2F003H21
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
0.5 µm
Membrane Material
Polypropylene
Filter Cartridge Style
RMF-style
Cartridge Length (Imperial)
20 in
Cartridge Length (Metric)
508 mm
Cartridge Length (Metric)
50.8 cm
See All Attributes
NXT 200-20U-H21 product photo

Nexis, NXT, 200 μm, 50.8 cm (20 in), DOE, Santoprene gasket seal

Product ID: NXT20020UH21
Unit of Measure
1/EA
Min Order Qty
1
Micron
200 micron
NXT 0.5-10U-M7E product photo

Nexis, NXT, 0.5 μm, 25.4 cm (10 in), SOE fin end, external 226 O-rings (retrofits other manufacturers’ Code 7), EPDM gasket

Product ID: NXT0510UM7E
Unit of Measure
1/EA
Min Order Qty
1
Micron
0.5 micron

Profile® II, Filter Cartridges, Polypropylene, Length 10 Inches

Product ID: RM1F900H21
Unit of Measure
24/EA
Min Order Qty
24
Removal Rating
90 µm
Membrane Material
Polypropylene
Filter Cartridge Style
RMF-style
Cartridge Length (Imperial)
10 in
Cartridge Length (Metric)
254 mm
Cartridge Length (Metric)
25.4 cm
See All Attributes
80 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.