Filter Media Pack: Pleat Height 25-100 mm, Media Area 2.5-15 m²

Component Specifications

Definition

A filter media pack is the core filtration element within a HEPA filter module, consisting of pleated sheets of ultra-fine glass fiber or synthetic media arranged in a V-shaped or zigzag pattern to maximize surface area. It is designed to capture at least 99.97% of airborne particles 0.3 microns in diameter, meeting HEPA standards for critical air purification in controlled environments.

Working Principle

The filter media pack operates on mechanical filtration principles including diffusion, interception, and inertial impaction. As contaminated air flows through the densely packed, pleated media, particles are trapped within the fibrous matrix. The pleated design creates extended surface area and controlled airflow paths, allowing high particle capture efficiency while maintaining acceptable pressure drop across the filter.

Materials

Primary material: Borosilicate glass microfibers with diameter 0.5-2.0 microns, bonded with acrylic or epoxy resin. Alternative materials: PTFE membrane laminated media, electrostatically charged synthetic polymers (polypropylene, polyester). Separators: Aluminum or coated paper. Frame: Galvanized steel, aluminum, or plastic.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Efficiency	99.97% @ 0.3 μm
Media Area	2.5-15 m²
Pleat Count	50-200 pleats
Media Weight	80-200 g/m²
Pleat Height	25-100 mm
DOP Penetration	≤ 0.03%
Initial Pressure Drop	≤ 250 Pa at rated airflow
Maximum Operating Temperature	70°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 29463, ISO 14644, DIN EN 1822, IEST-RP-CC001

Parent Products

This component is used in the following industrial products

HEPA Filter Module

A modular filtration unit containing HEPA filter media designed to remove airborne particles with high efficiency.

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Engineering Analysis

Risks & Mitigation

Media tearing or delamination
Bypass leakage due to improper sealing
Fire hazard from combustible contaminants
Biological growth in humid conditions
Structural collapse from overpressure

FMEA Triads

Trigger: Excessive pressure differential
Failure: Media rupture or pleat collapse
Mitigation: Install pressure gauges with alarms; implement pre-filters; follow manufacturer's ΔP limits

Trigger: Improper installation alignment
Failure: Air bypass around media pack
Mitigation: Use trained technicians; verify gasket compression; perform DOP testing after installation

Trigger: Chemical exposure to solvents
Failure: Media degradation and efficiency loss
Mitigation: Select chemical-resistant media; implement air quality monitoring; establish contamination protocols

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Media thickness variation: ±5%; Pleat spacing: ±1 mm; Dimensional tolerance: ±2 mm on all frame dimensions

Test Method

DOP (Di-Octyl Phthalate) or PAO (Poly-Alpha-Olefin) aerosol challenge testing per IEST-RP-CC034; Scanning method per EN 1822-3

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

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Manufacturers of Filter Media Pack

Manufacturer profiles associated with Filter Media Pack.

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Frequently Asked Questions

What is the typical service life of a HEPA filter media pack?

Service life depends on air quality and operating conditions, typically 2-5 years in controlled environments. Regular pressure drop monitoring determines replacement timing.

Can filter media packs be cleaned or reused?

No, HEPA filter media packs are disposable components. Cleaning attempts damage the delicate fiber structure and compromise filtration efficiency.

What causes premature filter media failure?

Common causes include excessive moisture exposure, chemical contamination, physical damage during handling, and operation beyond rated temperature limits.

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.

Filter Media Pack