Product description
Cotton wound depth filter cartridge for natural fibre depth filtration
The cotton wound depth filter cartridge is designed for liquid filtration applications where economical performance, high dirt holding capacity and broad compatibility are required. Manufactured from high quality natural cotton fibre wound around a rigid support core, this cartridge provides reliable depth filtration for the removal of suspended solids and sediment in general process and water systems.
The natural fibre construction delivers excellent particulates capture with low differential pressure and stable filtration performance over extended service intervals.
Filtration principle
The cartridge utilises a gradient wound structure, where cotton yarn is wound around an internal core with decreasing spacing from outer to inner layers. Larger particles are captured on the outer wound layers, while finer particulates are retained within the inner layers of the media.
This depth filtration principle provides:
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progressive particle retention from coarse to fine
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high dirt holding capacity
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low pressure drop with reliable flow
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consistent filtration performance
Contaminants are retained throughout the full media depth rather than at the surface only.
Media technology and uniqueness
The filter media consists of premium natural cotton yarn, chosen for its fine fibre structure and effective particulate capture. The wound construction creates a gradient pore structure, enhancing depth filtration performance.
Key media characteristics include:
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natural cotton fibre wound depth media
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gradient pore density for efficient sediment capture
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good mechanical stability in aqueous applications
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predictable filtration behaviour
This design delivers economical and reliable sediment removal across a range of fluid types.
Design and construction
The cartridge is constructed with multiple windings of cotton yarn on a rigid support core. The wound fibres are arranged to provide mechanical strength and maximise usable filtration surface area.
Typical design features include:
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wound cotton depth media
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gradient density wound structure
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rigid support core for dimensional stability
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simple construction for general applications
The cartridge fits into standard filter housings without modification.
Materials of construction
Standard construction materials include:
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Filter media: Cotton yarn
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Inner core: Polypropylene
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End caps: Polypropylene or elastomer-free design
Seal materials are selected based on application requirements.
Available micron ratings
Typical micron ratings include:
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1 µm
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5 µm
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10 µm
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20 µm
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30 µm
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50 µm
This range allows selection for general sediment filtration requirements.
Operating conditions
Typical operating conditions include:
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Maximum operating temperature: up to 60 °C
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Low pressure drop performance for high flow applications
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Suitable for continuous liquid filtration
Exact limits depend on cartridge length, housing and process conditions.
Key benefits
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High dirt holding capacity
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Economical depth filtration solution
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Effective removal of suspended solids
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Low pressure drop with stable flow
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Natural fibre media
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Simple and reliable performance
Typical applications
Cotton wound depth filter cartridges are commonly used in:
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general water filtration
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municipal and process water treatment
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cooling tower water filtration
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pre-filtration for membranes and carbon cartridges
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industrial and commercial liquid filtration
Configuration and quotation
Wound cotton depth filter cartridges are supplied on a configuration basis. Selection parameters include:
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micron rating
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cartridge length
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end cap / seal material
This ensures the cartridge is correctly matched to the filtration duty.