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. 

Housings Vessels Assemblies
Housings Vessels Assemblies

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Material of Construction

Aluminum

Ultipor, 400psi Simplex Hsg, 2.5in Flange Ports, 39in Length, Nitrile Seals

Product ID: HH8314F40XB1
Unit of Measure
1/EA
Min Order Qty
1
Inlet/Outlet Connections Type
Metric Flange (300 #)
Cartridge Length (Imperial)
39 in
Family
Ultipor
Pressure Rating
400 psi
Port Size
2.5 in
Number of Cartridges
1
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Ultipor, 3000psi Non-bypass Simplex Hsg, 0.75in BSP Ports, 4in Length, Nitrile Seals

Product ID: HH9021C12RW1
Unit of Measure
1/EA
Min Order Qty
1
Inlet/Outlet Connections Type
BSP
Cartridge Length (Imperial)
4 in
Family
Ultipor
Pressure Rating
3000 psi
Port Size
0.75 in
Number of Cartridges
1
See All Attributes

Ultipor, 3000psi Non-bypass Simplex Hsg, 0.75in JIS Ports, 8in Length, EPDM Seals

Product ID: HJ9021A12SW1
Unit of Measure
1/EA
Min Order Qty
1
Inlet/Outlet Connections Type
JIS B0203 tapered pipe thread
Cartridge Length (Imperial)
8 in
Family
Ultipor
Pressure Rating
3000 psi
Port Size
0.75 in
Number of Cartridges
1
See All Attributes

Ultipor, 3000psi Non-bypass Simplex Hsg, 0.75in BSP Ports, 8in Length, EPDM Seals

Product ID: HJ9021C12SW1
Unit of Measure
1/EA
Min Order Qty
1
Inlet/Outlet Connections Type
BSP
Cartridge Length (Imperial)
8 in
Family
Ultipor
Pressure Rating
3000 psi
Port Size
0.75 in
Number of Cartridges
1
See All Attributes

Ultipor, 3000psi Non-bypass Simplex Hsg, 0.75in BSP Ports, 4in Length, EPDM Seals

Product ID: HJ9021C12RW1
Unit of Measure
1/EA
Min Order Qty
1
Inlet/Outlet Connections Type
BSP
Cartridge Length (Imperial)
4 in
Family
Ultipor
Pressure Rating
3000 psi
Port Size
0.75 in
Number of Cartridges
1
See All Attributes

Ultipor, 400psi Simplex Hsg, 2.5in Flange Ports, 39in Length, Fluorocarbon Seals

Product ID: HZ8314D40XB1
Unit of Measure
1/EA
Min Order Qty
1
Inlet/Outlet Connections Type
Imperial Flange (300 #)
Cartridge Length (Imperial)
39 in
Family
Ultipor
Pressure Rating
400 psi
Port Size
2.5 in
Number of Cartridges
1
See All Attributes

ASSEMBLY HOUSING HZ9021C12RW1

Product ID: HZ9021C12RW1
Unit of Measure
1/EA
Min Order Qty
1
Inlet/Outlet Connections Type
BSP
Cartridge Length (Imperial)
4 in
Family
Ultipor
Pressure Rating
3000 psi
Port Size
0.75 in
Number of Cartridges
1
See All Attributes

Ultipor, 3000psi Non-bypass Simplex Hsg, 0.75in BSP Ports, 8in Length, Fluorocarbon Seals

Product ID: HZ9021C12SW1
Unit of Measure
1/EA
Min Order Qty
1
Inlet/Outlet Connections Type
BSP
Cartridge Length (Imperial)
8 in
Family
Ultipor
Pressure Rating
3000 psi
Port Size
0.75 in
Number of Cartridges
1
See All Attributes

Ultipor, 3000psi Non-bypass Simplex Hsg, 0.75in SAE Ports, 8in Length, Fluorocarbon Seals

Product ID: HZ9021A12SW1
Unit of Measure
1/EA
Min Order Qty
1
Inlet/Outlet Connections Type
SAE Straight Thread
Cartridge Length (Imperial)
8 in
Family
Ultipor
Pressure Rating
3000 psi
Port Size
0.75 in
Number of Cartridges
1
See All Attributes

Ultipor, 3000psi Non-bypass Simplex Hsg, 0.75in SAE Ports, 4in Length, Fluorocarbon Seals

Product ID: HZ9021A12RW1
Unit of Measure
1/EA
Min Order Qty
1
Inlet/Outlet Connections Type
SAE Straight Thread
Cartridge Length (Imperial)
4 in
Family
Ultipor
Pressure Rating
3000 psi
Port Size
0.75 in
Number of Cartridges
1
See All Attributes

Ultipor, 3000psi Non-bypass Simplex Hsg, 0.75in Manifold Mount, 4in Length, Fluorocarbon Seals

Product ID: HZ9021K12RW1
Unit of Measure
1/EA
Min Order Qty
1
Inlet/Outlet Connections Type
Top Manifold Mount
Cartridge Length (Imperial)
4 in
Family
Ultipor
Pressure Rating
3000 psi
Port Size
0.75 in
Number of Cartridges
1
See All Attributes

Ultipor, 3000psi Non-bypass Simplex Hsg, 0.75in Manifold Mount, 8in Length, Fluorocarbon Seals

Product ID: HZ9021K12SW1
Unit of Measure
1/EA
Min Order Qty
1
Inlet/Outlet Connections Type
Top Manifold Mount
Cartridge Length (Imperial)
8 in
Family
Ultipor
Pressure Rating
3000 psi
Port Size
0.75 in
Number of Cartridges
1
See All Attributes
121 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.