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Cartridge filters

Cartridge filtration units generally operate most effectively and economically on applications having contamination levels of less than 100 ppm. For heavier contamination applications, cartridges are normally used as final polishing filters.
  • Pre RO water
  • Chemicals
  • Beverages
  • Solvents
  • Compressed air
  • Cosmetics
  • Alcohol

Lenntech can provide any replacement cartridge filters for retrofitting or improvement:

Click here to find your replacement cartridge


In the following the basic systems of cartridge filters are listed

Wound cartridge filters:

- Material: natural or synthetic yards, which are wounded around a central tube

or former.

- Filtration of: sand, scale, lime, rust, fine particles.

- Applications: drinking water, boilers, washing machines, pre-

filtration in water treatment, sea water desalination, process

water, chemical processes...

- Filtration range: 0.5 - 150 micron

- Length: 5-10-20-30-40"

Melt-Blown cartridge filters:

- Material: one-piece cordless construction, consisting of pure

polypropylene micro fibers, thermally bonded to prevent any

fiber migration.

- Filtration of: sand, scale, lime, rust, fine particles.

- Applications: Water treatment, pure water pre-filtration, fine

chemicals, reverse osmosis, sea water desalination, beverages,

solvents, cosmetics...
- Filtration range: 1-75 micron

- Length: 5-10-20-30-40"

Activated carbon cartridge filters:

- Material: Polypropylene fleece and net, or washed polypropylene yarn or

polyester felt filtering medium and granular activated carbon

- Removal of: color, smell, taste contamination, pesticides, chlorine, organic


- Applications: Potable water, washing machines, anti-chlorine treatment in

alimentary, chemical and pharmaceutical industry, pre-treatment for reverse

osmosis units...

- Filtration range: 1-25 micron

- Length: 4-5-7-10-20-30"

Stainless steel cartridge filters:

- Material: stainless steel filtering net with a polypropylene inner core.

- Filtration of: sand, scales, rust.

- Applications: drinking water, washing machines, boilers, pre-filtration for pumps,

irrigation systems, protection of industrial systems...

- Filtration range: 70 micron

- Length: 4-5-7-10-20"

Pleated cartridge filters:

- Material: Pleated polypropylene or stainless steel filtering net with a

polypropylene inner core.

- Filtration of: Sand, scales, rust.

- Applications: Drinking water, boilers, washing machines, pre-filtration of water

pumps, irrigation systems, protection of industrial installations...

- Filtration range: 50 micron

- Length: 4-5-7-10-20"

Oil-Block cartridge filters:

- Material: Polypropylene caps and outer shell filled with oil-block absorption media

 - Removal of: free, dispersed and emulsified oils

- Applications: oil and gas industry, marine ballast and bilge water treatment

systems, surface water, other industrial applications...

- Length: 40"


Related topics:

Dirt holding capacity

Please also check our alternative filtration possibilities

sources: filters and filtration handbook, 3rd edition, elsevier advanced technology.

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Click here for a comparison between cartridge filters and bag filters.
Find more information about sediment filters.

o Lenntech

Lenntech BV
Rotterdamseweg 402 M
2629 HH Delft

tel: +31 152 610 900
fax: +31 152 616 289
e-mail: info@lenntech.com

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