INDUSTRY COMPONENT

Filter Cartridge

A replaceable filter cartridge used in pre-filtration units to remove contaminants from fluids in industrial processes.

Component Specifications

Definition
A filter cartridge is a cylindrical filtration component designed for installation in pre-filtration units within industrial systems. It functions as the primary media for capturing and retaining particulate matter, sediment, rust, scale, and other solid contaminants from liquids (typically water, oils, coolants, or chemicals) before they reach downstream equipment. These cartridges are engineered for specific micron ratings, flow rates, and pressure conditions, ensuring protection of sensitive machinery, valves, nozzles, and instruments from damage or clogging. They are critical in maintaining fluid purity, system efficiency, and operational reliability across various manufacturing and processing applications.
Working Principle
The filter cartridge operates on the principle of mechanical filtration. As fluid flows through the cartridge under system pressure, contaminants larger than the cartridge's pore size (micron rating) are trapped on the surface or within the depth of the filter media. This can involve surface filtration (where particles are captured on the outer layer) or depth filtration (where particles are captured within the media matrix). The clean fluid exits the cartridge and proceeds through the system. Cartridges may also incorporate mechanisms like pleating to increase surface area, enhancing dirt-holding capacity and extending service life.
Materials
Filter media: Polypropylene (PP), polyester, nylon, cellulose, glass fiber, stainless steel mesh, or sintered polymers. End caps and core: Polypropylene, ABS plastic, or stainless steel. Seals: Buna-N (Nitrile), EPDM, Viton, or silicone O-rings/gaskets. Construction may include support layers (e.g., polypropylene mesh) for structural integrity.
Technical Parameters
ParameterTypical rangeNotes & selection driver
Length10-40 inches (254-1016 mm)
Diameter2.5-4.5 inches (63.5-114.3 mm)
Flow Rate5-50 GPM (18.9-189.3 L/min) depending on model
Micron Rating1-100 microns (typical range)
Dirt Holding CapacityVaries by media, e.g., 100-500 grams
Maximum Operating Pressure150 psi (10.3 bar)
Maximum Operating Temperature180°F (82°C)

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards
ISO 2941, ISO 2942, ISO 2943, DIN 24550

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Contamination bypass if cartridge is damaged or improperly installed
  • Pressure drop leading to reduced system efficiency
  • Media collapse under high differential pressure
  • Chemical incompatibility causing media degradation
FMEA Triads
Trigger: Excessive contaminant load or clogging
Failure: High pressure drop, reduced flow, or cartridge rupture
Mitigation: Install pre-filters, monitor differential pressure, use cartridges with higher dirt-holding capacity, and follow replacement schedules.
Trigger: Chemical incompatibility with fluid
Failure: Media swelling, disintegration, or loss of filtration efficiency
Mitigation: Select materials (e.g., polypropylene for chemicals, stainless steel for high temps) based on fluid compatibility charts and conduct compatibility testing.

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
Dimensional tolerance per ISO 2768-m, filtration efficiency tolerance ±10% of rated micron size
Test Method
ISO 2941 for burst pressure, ISO 2942 for integrity/bubble point, ISO 2943 for material compatibility, and particle counting per ISO 11943

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Filter Cartridge

12 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Filson Filter
Henan, CN
Listed on the company's own website · profile compiled by CNFX from public sources
HENGKO
Shenzhen, Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Jianen Sanitary
Wenzhou, Zhejiang, CN
Founded 2009
3A CE ISO9001 SGS
Listed on the company's own website · profile compiled by CNFX from public sources
Zhejiang Universe Filter Co., Ltd.
Wenzhou, Zhejiang, CN
Founded 19931000 staff80,000 square meters
ISO9001 QS9000 VDA6.1 ISO/TS16949
Listed on the company's own website · profile compiled by CNFX from public sources
Canature
Shanghai, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Darlly Filtration
Hangzhou, Zhejiang, CN
Also makes: Pre-Filter
Listed on the company's own website · profile compiled by CNFX from public sources
Guangzhou Chunke Environmental
Guangzhou, Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Henan Demalong Filter Co., Ltd.
Henan, CN
Listed on the company's own website · profile compiled by CNFX from public sources
HIFINE
Jiangsu, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Hydrorelax Bathroom industry manufacturer
Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Nanjing Shinkai Filter Co., Ltd
Jiangsu, CN
Also makes: Filtration System
Listed on the company's own website · profile compiled by CNFX from public sources
Qingdao Power Space Environmental Protection Technology Co., Ltd.
Shandong, CN
Listed on the company's own website · profile compiled by CNFX from public sources

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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Frequently Asked Questions

How often should a filter cartridge be replaced?

Replacement frequency depends on contaminant load, flow rate, and pressure drop. Monitor differential pressure across the cartridge; replace when it reaches the manufacturer's specified limit (typically 10-15 psi increase) or as per scheduled maintenance, often every 3-12 months in industrial settings.

Can filter cartridges be cleaned and reused?

Most industrial filter cartridges are designed as disposable and cannot be effectively cleaned for reuse due to media degradation and contamination embedding. Some metal or sintered cartridges may be cleanable, but this is less common; always follow manufacturer guidelines.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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