Pleated Filter Media: Temperature Range -20°C to +120°C

Component Specifications

Definition

Pleated filter media is a specialized filtration component manufactured by folding a continuous sheet of filter material into uniform pleats, creating a large surface area within a compact housing. This design maximizes contaminant holding capacity and extends service life in high-pressure oil filtration applications. The media is engineered to withstand differential pressures up to 25 bar while maintaining consistent filtration efficiency throughout its operational lifespan.

Working Principle

The pleated configuration creates multiple parallel flow channels that force oil through the filter material. Contaminant particles are captured through three mechanisms: direct interception (particles larger than pore size), inertial impaction (heavier particles), and diffusion (small particles). The pleat geometry optimizes flow distribution and minimizes pressure drop while providing maximum filtration area.

Materials

Typically composed of cellulose fibers, synthetic polymers (polyester, polypropylene), or glass microfibers. May include resin impregnation for enhanced strength and water resistance. Support layers often include polypropylene mesh or metal screens for structural integrity.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Media Area	0.5-2.0 m² per 10-inch element
Burst Pressure	≥ 50 bar
Temperature Range	-20°C to +120°C
Filtration Efficiency	Betaₓ(c) ≥ 200 (ISO 16889)
Initial Pressure Drop	≤ 0.5 bar at rated flow
Maximum Operating Pressure	25 bar

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, SAE J1858

Parent Products

This component is used in the following industrial products

High-Pressure Oil Filter Cartridge

Replaceable filtration element for removing contaminants from vegetable and animal oils during processing.

View Product Details

Engineering Analysis

Risks & Mitigation

Media collapse under high differential pressure
Channeling bypass due to improper installation
Chemical incompatibility with certain fluids
Biological growth in water-contaminated systems

FMEA Triads

Trigger: Excessive differential pressure
Failure: Media collapse or rupture
Mitigation: Install pressure relief valves, use pressure gauges for monitoring, select media with appropriate burst strength rating

Trigger: Chemical degradation
Failure: Loss of filtration efficiency
Mitigation: Verify chemical compatibility with fluid, use appropriate synthetic media for aggressive fluids, conduct regular fluid analysis

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±5% on filtration efficiency rating, ±10% on media area, dimensional tolerance per ISO 2942

Test Method

ISO 16889 for multi-pass testing, ISO 2941 for burst pressure, ISO 2942 for material integrity, ISO 2943 for compatibility

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 Pleated Filter Media

Manufacturer profiles associated with Pleated Filter Media.

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Frequently Asked Questions

What is the advantage of pleated design over flat filter media?

Pleated design provides 3-5 times more filtration surface area within the same housing volume, resulting in lower pressure drop, higher dirt holding capacity, and extended service intervals.

How often should pleated filter media be replaced?

Replacement intervals depend on operating conditions and contaminant loading. Typically monitored by differential pressure gauges, with replacement recommended when pressure drop reaches 2-3 times the initial value or as specified by OEM 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.

Pleated Filter Media