Industry-Verified Manufacturing Data (2026)

Filter Cartridge/Bag

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Filter Cartridge/Bag 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/Bag 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 captures and retains contaminants from fluids or gases within a filter unit.

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Product Specifications

Technical details and manufacturing context for Filter Cartridge/Bag

Definition
The filter cartridge/bag is the core consumable component of a filter unit, designed to physically trap and remove particulate matter, impurities, or specific substances from liquids or gases as they pass through. It is housed within the filter unit's housing and is the primary surface where separation occurs. Its performance directly determines the filtration efficiency, flow rate, and final purity of the processed medium.
Working Principle
Fluid or gas is forced through the porous media of the cartridge or bag. Contaminants larger than the media's pore size are captured on the surface (surface filtration) or within the depth of the media (depth filtration). Clean fluid passes through to the outlet. Efficiency depends on media material, pore size (micron rating), and design (pleated, wound, bag, etc.).
Common Materials
Polypropylene, Polyester, Nylon, Cellulose, Stainless Steel Mesh, Activated Carbon
Technical Parameters
  • Nominal or absolute micron rating indicating the size of particles the filter is designed to retain. (μm) Standard Spec
Components / BOM
  • Filter Media
    The porous material (e.g., pleated paper, felt, mesh) that physically captures contaminants.
    Material: Varies (e.g., Polypropylene, Polyester)
  • End Caps
    Seal the ends of the media, provide structural support, and interface with the filter housing.
    Material: Polypropylene, Metal
  • Core / Support Cage
    Internal structure (for cartridges) that prevents media collapse under pressure. External cage (for bags) provides support.
    Material: Polypropylene, Stainless Steel
  • Seals / Gaskets
    Ensure a leak-proof seal between the filter element and the housing.
    Material: Nitrile Rubber, Viton, EPDM
Engineering Reasoning
0-25 bar differential pressure, -20°C to 120°C temperature, 0.5-100 μm particle retention
35 bar differential pressure causes media rupture, 150°C thermal degradation of polymer fibers, 0.3 μm particle breakthrough at rated flow
Design Rationale: Hagen-Poiseuille law pressure differential exceeding media tensile strength, Arrhenius equation thermal degradation of polypropylene fibers, Stokes' law particle migration through pore structure
Risk Mitigation (FMEA)
Trigger Particle loading exceeding 500 g/m² media capacity
Mode: Pressure drop exceeding 1.5 bar differential across element
Strategy: Differential pressure transducer with 0.25 bar hysteresis cutoff at filter inlet/outlet
Trigger Chemical incompatibility with 15% sulfuric acid concentration
Mode: Polymer fiber hydrolysis reducing tensile strength by 70%
Strategy: PTFE membrane laminate with 0.1 mm thickness on upstream surface

Industry Taxonomies & Aliases

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

industrial filter cartridge replacement polypropylene filter bag for machinery stainless steel mesh filter cartridge activated carbon filter bag for equipment custom filter cartridge BOM specifications

Applied To / Applications

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

Filter Unit
View system integration details

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 150 psi (10 bar) typical, burst pressure 2-3x operating pressure
flow rate: 0.5-500 GPM (2-1900 L/min) depending on size and media
temperature: -40°C to 150°C (varies by material)
slurry concentration: Up to 25% solids by weight for standard designs
Media Compatibility
✓ Polypropylene (PP) for general chemical resistance ✓ Polyester (PET) for high temperature and fine filtration ✓ Nylon for oil and fuel applications
Unsuitable: Concentrated oxidizing acids (e.g., nitric acid > 30%)
Sizing Data Required
  • Required flow rate (GPM or L/min)
  • Particle size to be filtered (microns)
  • System operating pressure and differential pressure limits

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Media degradation
Cause: Chemical incompatibility between filter media and process fluid leading to swelling, dissolution, or embrittlement
Structural failure
Cause: Excessive differential pressure exceeding design limits, causing bag rupture or cartridge collapse
Maintenance Indicators
  • Sudden pressure drop increase across filter indicating bypass or media failure
  • Visible particulate contamination in downstream fluid or visible media breach
Engineering Tips
  • Implement differential pressure monitoring with automated alerts at 80% of maximum rated pressure
  • Conduct compatibility testing with actual process fluids at operating temperatures before full-scale deployment

Compliance & Manufacturing Standards

Reference Standards
ISO 16889:2022 - Hydraulic fluid power - Filter elements - Multi-pass method for evaluating filtration performance ASTM F795 - Standard Practice for Determining the Performance of a Filter Medium Employing a Single-Pass, Constant-Rate, Liquid Test CE Marking - Directive 2006/42/EC (Machinery) for safety and performance compliance
Manufacturing Precision
  • Bore diameter: +/-0.05 mm
  • End cap flatness: 0.15 mm across diameter
Quality Inspection
  • Bubble Point Test for pore size verification
  • Material Composition Analysis via X-ray Fluorescence (XRF)

Factories Producing Filter Cartridge/Bag

Verified manufacturers with capability to produce this product in China

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✓ 96% Supplier Capability Match Found

T Technical Director from Australia Feb 07, 2026
★★★★★
"Great transparency on the Filter Cartridge/Bag components. Essential for our Machinery and Equipment Manufacturing supply chain."
Technical Specifications Verified
P Project Engineer from Singapore Feb 04, 2026
★★★★☆
"The Filter Cartridge/Bag we sourced perfectly fits our Machinery and Equipment Manufacturing production line requirements. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
S Sourcing Manager from Germany Feb 01, 2026
★★★★★
"Found 12+ suppliers for Filter Cartridge/Bag on CNFX, but this spec remains the most cost-effective."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

15 sourcing managers are analyzing this specification now. Last inquiry for Filter Cartridge/Bag from Germany (1h ago).

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Frequently Asked Questions

What materials are commonly used in filter cartridges for machinery manufacturing?

Filter cartridges for machinery manufacturing typically use polypropylene, polyester, nylon, cellulose, stainless steel mesh, or activated carbon, depending on the application and contaminant removal requirements.

How do I determine the right filter cartridge for my equipment?

Consider the fluid or gas type, operating pressure, temperature, contaminant size, and chemical compatibility. Consult manufacturer specifications or a filtration expert to match the filter media and materials to your machinery's needs.

What is included in a typical filter cartridge bill of materials (BOM)?

A standard filter cartridge BOM includes filter media, end caps, a core or support cage, and seals or gaskets. These components ensure structural integrity, proper sealing, and efficient contaminant capture in industrial applications.

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 Specifications verified by CNFX Industrial Index (v2.6.03) for Machinery and Equipment Manufacturing sector.

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