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. 

Filter Cartridges
Filter Cartridges
Housings Vessels Assemblies
Housings Vessels Assemblies
Lenticular Filters
Lenticular Filters

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Applications

Clarification

Profile® II Filter Cartridges, AB4Y0057WH4

Product ID: AB4Y0057WH4
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
0.5 µm
Membrane Material
Polypropylene
Filter Cartridge Style
Code 7
Maximum Differential Pressure
4 bard @ < 30° C (86◦ F)
Cage, Core, Fin End and Endcap
Polypropylene
Food Contact Compliant
Yes
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FBT Sanitary housing for eight cartridge filters - 762 mm (30”)

Product ID: FBT083G47H43A
Unit of Measure
1/EA
Min Order Qty
1
Bowl Clearance
810 mm
Cartridge Lock
Bayonet-Lock
Cartridge Style
AB Code 7
Design Pressure (barg)
-1/10 Barg @ -10/150 T°C
Food Contact Compliant
Yes
Housing Height (Metric)
1428 mm
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SUPRAdisc SD II EK 200XEK0C440SPW

Product ID: 7007879
Unit of Measure
1/EA
Min Order Qty
1
Adaptor End Configuration
Double Open End, Flat Gasket
1. Recommended Max. Backpressure During Backwash
0.5 bar
Plastic Material
Polypropylene
2. Recommended Max. Backpressure During Backwash
7.25 psid
Adaptor Type
Double Open End, Flat Gasket
Core Drainage Discs
Polypropylene
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SUPRAdisc SD II 50 200X050C440SPW

Product ID: 7007897
Unit of Measure
1/EA
Min Order Qty
1
Adaptor End Configuration
Double Open End, Flat Gasket
1. Recommended Max. Backpressure During Backwash
0.5 bar
Plastic Material
Polypropylene
2. Recommended Max. Backpressure During Backwash
7.25 psid
Adaptor Type
Double Open End, Flat Gasket
Core Drainage Discs
Polypropylene
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SUPRAdisc SD II EK 1 200XEK1C440SPW

Product ID: 7007931
Unit of Measure
1/EA
Min Order Qty
1
Adaptor End Configuration
Double Open End, Flat Gasket
1. Recommended Max. Backpressure During Backwash
0.5 bar
Plastic Material
Polypropylene
2. Recommended Max. Backpressure During Backwash
7.25 psid
Adaptor Type
Double Open End, Flat Gasket
Core Drainage Discs
Polypropylene
See All Attributes

SUPRAdisc SD II 80 200X080C440SPW

Product ID: 7007883
Unit of Measure
1/EA
Min Order Qty
1
Adaptor End Configuration
Double Open End, Flat Gasket
1. Recommended Max. Backpressure During Backwash
0.5 bar
Plastic Material
Polypropylene
2. Recommended Max. Backpressure During Backwash
7.25 psid
Adaptor Type
Double Open End, Flat Gasket
Core Drainage Discs
Polypropylene
See All Attributes

SUPRAdisc SD II 150 200X150C440SPW

Product ID: 7007900
Unit of Measure
1/EA
Min Order Qty
1
Adaptor End Configuration
Double Open End, Flat Gasket
1. Recommended Max. Backpressure During Backwash
0.5 bar
Plastic Material
Polypropylene
2. Recommended Max. Backpressure During Backwash
7.25 psid
Adaptor Type
Double Open End, Flat Gasket
Core Drainage Discs
Polypropylene
See All Attributes

SUPRAdisc SD II 100 200X100C440SPW

Product ID: 7007891
Unit of Measure
1/EA
Min Order Qty
1
Adaptor End Configuration
Double Open End, Flat Gasket
1. Recommended Max. Backpressure During Backwash
0.5 bar
Plastic Material
Polypropylene
2. Recommended Max. Backpressure During Backwash
7.25 psid
Adaptor Type
Double Open End, Flat Gasket
Core Drainage Discs
Polypropylene
See All Attributes

SUPRAdisc SD II 200 200X200C440SPW

Product ID: 7007925
Unit of Measure
1/EA
Min Order Qty
1
Adaptor End Configuration
Double Open End, Flat Gasket
1. Recommended Max. Backpressure During Backwash
0.5 bar
Plastic Material
Polypropylene
2. Recommended Max. Backpressure During Backwash
7.25 psid
Adaptor Type
Double Open End, Flat Gasket
Core Drainage Discs
Polypropylene
See All Attributes

SUPRAdisc SD II 250 200X250C440SPW

Product ID: 7007889
Unit of Measure
1/EA
Min Order Qty
1
Adaptor End Configuration
Double Open End, Flat Gasket
1. Recommended Max. Backpressure During Backwash
0.5 bar
Plastic Material
Polypropylene
2. Recommended Max. Backpressure During Backwash
7.25 psid
Adaptor Type
Double Open End, Flat Gasket
Core Drainage Discs
Polypropylene
See All Attributes

SUPRAdisc SD II 900 200X900C440SPW

Product ID: 7007942
Unit of Measure
1/EA
Min Order Qty
1
Adaptor End Configuration
Double Open End, Flat Gasket
1. Recommended Max. Backpressure During Backwash
0.5 bar
Plastic Material
Polypropylene
2. Recommended Max. Backpressure During Backwash
7.25 psid
Adaptor Type
Double Open End, Flat Gasket
Core Drainage Discs
Polypropylene
See All Attributes

SUPRAdisc SD II 300 200X300C440SPW

Product ID: 7007932
Unit of Measure
1/EA
Min Order Qty
1
Adaptor End Configuration
Double Open End, Flat Gasket
1. Recommended Max. Backpressure During Backwash
0.5 bar
Plastic Material
Polypropylene
2. Recommended Max. Backpressure During Backwash
7.25 psid
Adaptor Type
Double Open End, Flat Gasket
Core Drainage Discs
Polypropylene
See All Attributes
16 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.