Structured Manufacturing Data (2026)

Filter Cartridge/Media

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Filter Cartridge/Media used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Filter Cartridge/Media is characterized by the integration of Filter Media and End Caps. In industrial production environments, manufacturers listed on CNFX commonly emphasize Polypropylene construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A replaceable filtration element that physically removes contaminants from water in circulation systems.

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Product Specifications

Technical details and manufacturing context for Filter Cartridge/Media

Definition
The filter cartridge/media is a critical consumable component within water circulation and filtration units, designed to capture and retain suspended solids, particulates, and other impurities from the water stream. It serves as the primary physical barrier that ensures water quality by preventing contaminants from recirculating through the system, thereby protecting downstream equipment and maintaining process efficiency.
Working Principle
Water is forced through the porous structure of the filter media (e.g., pleated fabric, wound string, sintered material, or membrane). Contaminants larger than the media's pore size are trapped on the surface or within the depth of the media via mechanisms of surface capture, depth filtration, and adsorption, allowing only cleaned water to pass through.
Common Materials
Polypropylene, Polyester, Cellulose, Activated Carbon, Ceramic, Stainless Steel Mesh
Technical Parameters
  • Nominal or absolute filtration rating indicating the size of particles the media can effectively capture. (micron) Standard Spec
Components / BOM
  • Filter Media Part
    The porous material that performs the actual filtration by trapping contaminants.
    Material: Varies (e.g., Polypropylene, Polyester, Activated Carbon)
  • End Caps Part
    Seal the ends of the media, provide structural support, and interface with the filter housing.
    Material: Polypropylene, ABS Plastic, or Metal
  • Core Tube Part
    Internal support structure that maintains media shape and provides a central flow path for filtered water in some designs.
    Material: Polypropylene, Stainless Steel
  • Gaskets/O-Rings Part
    Provide a seal between the cartridge and the filter housing to prevent bypass of unfiltered water.
    Material: EPDM, Nitrile, Silicone

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Filter Cartridge/Media.

industrial water filter cartridge replacement polypropylene filter media for machinery activated carbon water filtration cartridge stainless steel mesh filter element circulation system filter BOM components

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Water Circulation and Filtration Unit
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Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Max 150 psi (10 bar) differential pressure, burst pressure 300 psi
flow rate: 0.5-50 GPM per cartridge depending on micron rating
temperature: -10°C to 80°C (standard), up to 120°C with specialty materials
slurry concentration: Max 5% solids by weight for standard media, up to 15% with reinforced construction
Media Compatibility
✓ Polypropylene pleated media for general water filtration ✓ Activated carbon media for organic/chlorine removal ✓ Ceramic media for high-temperature/high-purity applications
Unsuitable: Strong oxidizing acids (e.g., concentrated nitric acid) or solvents that degrade polymer binders
Sizing Data Required
  • Required flow rate (GPM or L/min)
  • Contaminant particle size (micron rating)
  • System pressure drop allowance (psi or bar)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Media Blinding/Plugging
Cause: Accumulation of fine particles, gels, or incompatible chemicals that block pores, reducing flow and increasing differential pressure.
Structural Collapse/Breakthrough
Cause: Excessive differential pressure exceeding media strength, chemical degradation of binder/fibers, or mechanical fatigue from pulsation/vibration.
Maintenance Indicators
  • Rapid or sustained high differential pressure (ΔP) across the filter, often indicated by gauges or system alarms.
  • Visible media migration downstream (e.g., particles in clear housing sight glass, contamination in fluid post-filter) or audible flow restriction (hissing, reduced flow noise).
Engineering Tips
  • Implement and adhere to a condition-based maintenance schedule using ΔP monitoring; replace cartridges before ΔP reaches manufacturer's maximum limit to prevent media damage.
  • Ensure fluid compatibility and pre-filtration; use a coarser pre-filter to remove large particulates, and verify fluid chemistry (pH, temperature) matches media specifications to avoid chemical degradation.

Compliance & Manufacturing Standards

Reference Standards
ISO 2941: Hydraulic fluid power - Filter elements - Verification of collapse/burst pressure rating ANSI/ASHRAE 52.2: Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size DIN EN 1822-1: High efficiency air filters (EPA, HEPA and ULPA) - Part 1: Classification, performance testing, marking
Manufacturing Precision
  • Bore diameter: +/-0.02mm
  • End cap flatness: 0.1mm
Quality Inspection
  • Bubble Point Test (integrity test for pore size)
  • Particle Counting Efficiency Test (ISO 16890/EN 1822)

Factories Producing Filter Cartridge/Media

Manufacturer profiles with relevant production capability in China

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

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What materials are commonly used in filter cartridges for machinery water systems?

Common materials include polypropylene, polyester, cellulose, activated carbon, ceramic, and stainless steel mesh, each selected for specific filtration needs and compatibility with water chemistry.

How often should filter cartridges be replaced in industrial water circulation systems?

Replacement frequency depends on water quality, contaminant load, and system pressure. Typically, cartridges are replaced every 3-6 months or when pressure drop indicates clogging, following manufacturer guidelines.

What are the key components in a filter cartridge bill of materials (BOM)?

A standard BOM includes the core tube, end caps, filter media (e.g., polypropylene or activated carbon), and gaskets or O-rings to ensure a secure seal and prevent leaks in the system.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Machinery and Equipment Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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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