Guangzhou Lvyuan Water Purification Equipment Co., Ltd. is an industrial filter manufacturer founded in 2009 that designs and manufactures stainless steel filter housings, stainless steel sterile water tanks, filter elements, filter bags, ultra-polymer materials, and sintered filter products. Buyers choose Lvyuan for OEM/ODM support, ISO9001 quality control, and multi-country certifications.
Pleated Filter Cartridges for Industrial Liquid Filtration

Custom Pleated Cartridge and OEM Supply
Depending on the product design and application, customization may cover filtration media, micron specification, cartridge dimensions, pleat configuration, support construction, end caps, sealing materials, labels, packaging, and private-label presentation.
For OEM customers, distributors, equipment manufacturers, and system integrators, compatibility is especially important. A cartridge may need to fit an established housing envelope while meeting defined filtration performance and material requirements.
Providing an existing sample or technical drawing can simplify the development process. For new projects, application data allows the cartridge construction to be evaluated as part of the complete filtration system instead of as an isolated component.
Pleated Filter Cartridges for Different Filtration Requirements
30 Inch PP Pleated Filter Cartridge
All-polypropylene pleated design, 0.1–100 µm ratings, 2.75″ OD, 222/226 or DOE ends, up to 4 bar, 80°C, high flow, ideal for water and industrial liquid filtration.
PTFE Pleated Filter Cartridge
Expanded PTFE membrane, 0.05–100 µm ratings, 2.75″ OD, 222/226/DOE ends, up to 5 bar, 120–180°C, superior chemical resistance for liquids and gases.
20 Inch PES Pleated Filter Cartridge
Polyethersulfone membrane, 0.1–30 µm ratings, 2.75″ OD, 222/226/DOE ends, up to 4–5 bar, 80°C, hydrophilic, ideal for pharma, biotech, food, and water.
5 Inch Compact PVDF Pleated Filter Cartridge
Polyvinylidene fluoride membrane, 0.1–10 µm ratings, 2.75″ OD, 222/226/DOE ends, up to 4 bar, 80°C, excellent chemical resistance for aggressive liquids.
Polyester Pleated Filter Cartridge
Synthetic polyester media, 0.35–200 µm ratings, 2.5″–4.5″ OD, 10″–40″ lengths, DOE/222/226 ends, up to 4 bar, 80–120°C, high flow for water, HVAC, and industrial use.
Activated Carbon Fiber Pleated Filter Cartridge
ACF media with PP core, 1–5 µm ratings, 2.75″ OD, 10″–40″ lengths, removes chlorine, VOCs, odor, color; high flow, low drop, for RO pre, beverage, chemical.
PE Pleated Water Filter Cartridge
polyester (PE) media, 1–100 µm ratings, 2.5″–4.5″ OD, 10″–40″ lengths, DOE/222/226 ends, high flow, low drop; ideal for potable water, pools, RO pre, light industrial.
High Flow Pleated PP Filter Cartridge
6″ OD, 20″–60″ lengths, 1–100 µm, inside/out flow, up to 500 GPM (60″), low drop; ideal for RO pre, seawater, power, petrochem, food, beverage, pharma water.
Which Filter Media Should You Choose?




How to Select the Right Pleated Filter Cartridge
It also prevents a common specification problem: selecting a filter entirely from a micron number without considering contaminant loading, chemical compatibility, system pressure drop, and required longevity.
What Micron Rating Should a Pleated Filter Use?
A 20 micron cartridge may be used for coarser sediment removal in one process, while a 5 micron cartridge may be selected for a finer polishing or pretreatment stage. Choosing the smallest micron number does not automatically produce the best system performance.
Finer filtration can increase resistance and may load more quickly in high-sediment streams. Staged filtration can be more practical where contaminant loading is significant.
| Selection Factor | Why It MattersWhat to Provide |
|---|---|
| Particle distribution | Defines what the cartridge must retain |
| 5 µm / 20 µm target | Changes fineness and loading behavior |
| System flow | Affects pressure drop across the media |
| Downstream target | Influences loading and replacement frequency |
| Existing Housing | Determines required process cleanliness |
Why Source Pleated Filter Cartridges From Us?
B2B cartridge sourcing requires more than choosing a diameter and micron number. Lvyuan support selection around the fluid, contaminant load, media requirement, cartridge configuration, housing interface, and operating conditions.
Our supply approach is suited to replacement requirements, project purchases, distributors, filtration equipment manufacturers, and OEM programs that require configurable cartridge construction.
Where customization is needed, technical details can be reviewed around media selection, pleat arrangement, dimensions, sealing, end-cap design, labeling, and packaging. This gives procurement teams a clearer basis for quotation comparison while helping engineers confirm whether the proposed filter is appropriate for the process.
The objective is to provide reliable filtration solutions based on defined operating information rather than recommend a cartridge from a generic catalog description.

How Does a Pleated Filter Cartridge Work?
A pleated filter cartridge uses folded filtration media arranged around an internal support core. The pleat geometry creates increased surface area without requiring a proportionally larger cartridge diameter. Liquid passes through this filtration surface while suspended particulate matter, silt, and other contaminants are retained according to the media structure and micron rating.
More usable surface area can help distribute flow across the cartridge and reduce the initial resistance compared with a smaller effective media area. As contaminant loading increases, differential pressure normally rises until replacement or cleaning is required. Pleat geometry, media permeability, particle loading, viscosity, and flow all influence this behavior.
For industrial buyers, this means filtration area should be considered together with dirt-holding capacity and operating flow—not as an isolated specification. Major filtration manufacturers likewise use pleated construction to increase effective filtration area and support lower clean pressure drop or higher flow capability.
Why Do Pleat Structure and Filtration Area Matter?
The pleated structure determines how much filtration media can be fitted into a given cartridge envelope. A properly engineered pleated design provides more usable media than a simple flat cylindrical surface, which can support improved contaminant distribution and practical dirt-holding capacity.
Pall describes high surface area as one of the reasons pleated elements can operate with reduced pressure drop and higher flow capability compared with lower-area designs. However, simply adding more pleats is not enough. Pleats packed too tightly may restrict effective flow between adjacent folds and leave part of the media underused.
The useful filtration area therefore depends on pleat height, spacing, media thickness, support layers, cartridge diameter, and overall geometry.
For procurement teams comparing different pleated cartridge filters, this relationship matters because two cartridges with similar external dimensions can behave differently under the same contaminant load.
The appropriate objective is not simply “maximum pleat count,” but stable filtration performance with acceptable pressure-drop development and practical service life.

Pleated Filter Cartridge Construction and End-Cap Configurations
Cartridge construction must match the housing as well as the filtration duty.
A typical cartridge may combine the selected media with an inner support core, media-support layers, optional outer protection, and molded or bonded end caps. Depending on the required design, configurations can include double-open-end arrangements or suitable single-open-end connections with an o-ring sealing system.
Important specification points include:
- Cartridge length and outside diameter
- Internal core and external support construction
- Number and arrangement of pleats
- Filter media and support materials
- Micron specification
- End caps and connection geometry
- Seal material
- Housing interface
- Flow direction
- Operating pressure and temperature
Exact cartridge dimensions and connection types should be confirmed against the existing housing or new filtration system before ordering.
For replacement projects, a drawing, current filter cartridge sample, housing model, dimensional sheet, or clear photographs can make compatibility evaluation much more reliable. Customized construction can then be discussed where a standard series filter does not match the existing equipment.

Applications for Pleated Sediment Filters and Process Filtration
Pleated sediment filters are used where suspended solids must be reduced before the liquid continues to another process stage or piece of equipment.
Typical applications can include industrial water treatment, process water clarification, equipment protection, general sediment removal, commercial filtration, and pretreatment for reverse osmosis or other water treatment systems. A pleated water filter may also be used in point-of-entry or whole house equipment when its materials, dimensions, and operating specifications match that appliance.
In industrial processes, pleated cartridges can also be considered for compatible chemical liquids, rinse water, utilities, cooling or process streams, and general clarification.
High-purity, food and beverage, or pharmaceutical applications require additional material, manufacturing, validation, and regulatory considerations. A general pleated filter should not be assumed to meet those requirements without the appropriate documented product specification.
For heavily contaminated feeds, sediment filters for water may also be combined with upstream separation or depth filtration so larger particles are removed before reaching the finer pleated cartridge.
Frequently Asked Questions About Pleated Filter Cartridges
What is a pleated filter cartridge?
A pleated cartridge is a cylindrical filter element made with folded filtration media. The pleats create a larger filtration surface within a compact diameter, allowing the filter to trap and remove suspended particles while distributing flow over a greater media area. Cartridge construction varies according to media, micron requirement, supports, end connections, and application.
Should I choose a 5 micron or 20 micron cartridge?
Choose according to the particle size that needs to be removed and the required downstream cleanliness. A 5 micron cartridge provides finer retention than a 20 micron cartridge, but it may load more rapidly in a high-sediment stream. Incoming solids, flow, pressure drop, and upstream filtration should therefore be evaluated together.
What is the difference between polypropylene and polyester pleated filter media?
They are different polymer media with different physical and chemical characteristics. Neither is universally better. The appropriate material depends on the liquid, operating temperature, chemical compatibility, required filtration characteristics, cartridge design, and whether cleaning or regular replacement is expected.
Can pleated cartridges be cleaned and reused?
Some cartridge constructions may be suitable for cleaning and reusable service, while others are intended to be disposable. Reusability should be confirmed for the specific media and construction. Cleaning can also affect retained contaminants and cartridge integrity, so an extended service life should never be assumed without supporting product information.
How do I determine the correct filter cartridge size?
Confirm the dimensions and interface of the existing housing, including cartridge length, outside diameter, end configuration, sealing arrangement, and quantity of elements. For replacement cartridges, sending a drawing, specification sheet, or existing sample can reduce the risk of selecting an incompatible product.
What information is required for a custom cartridge quotation?
Provide the application, liquid, contaminant, target micron rating, flow rate, pressure, temperature, cartridge dimensions, end-cap configuration, required materials, seal requirements, and quantity. Existing drawings or samples are also useful. With these details, the cartridge can be evaluated against your specific filtration requirements rather than selected from size alone.
Request a Pleated Filter Cartridge Quotation
Send us your application details for a cartridge recommendation, technical information, OEM discussion, sample evaluation where applicable, or commercial quotation.
Please include the liquid being filtered, contaminant type, micron requirement, required flow, cartridge size, operating pressure, temperature, material preference, end-cap or sealing requirements, and required quantity.
With clear process information, we can discuss a pleated filter configuration suited to your filtration system, replacement program, equipment project, or OEM supply requirement.
