Structured Manufacturing Data (2026)

HEPA/ULPA Filtration System

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard HEPA/ULPA Filtration System used in the Computer, Electronic and Optical Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical HEPA/ULPA Filtration System is characterized by the integration of Filter Media and Separator. In industrial production environments, manufacturers listed on CNFX commonly emphasize Glass fiber media construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A filtration system that removes airborne particles to maintain clean air quality in controlled environments.

Product Specifications

Technical details and manufacturing context for HEPA/ULPA Filtration System

Definition
A critical component of Clean Room Environment Systems that uses High-Efficiency Particulate Air (HEPA) and/or Ultra-Low Penetration Air (ULPA) filters to remove 99.97% to 99.9995% of airborne particles, including dust, microbes, and other contaminants, ensuring the required air cleanliness levels for sensitive manufacturing processes.
Working Principle
Air is forced through a dense, pleated filter media composed of fine fibers arranged in a random matrix. Particles are captured through a combination of interception, impaction, and diffusion mechanisms, with HEPA filters typically rated for 0.3 micron particles at 99.97% efficiency and ULPA filters for 0.12 micron particles at 99.9995% efficiency.
Common Materials
Glass fiber media, Aluminum separator, Polyurethane sealant, Galvanized steel frame
Technical Parameters
  • Filter dimensions (length × width × depth) (mm) Standard Spec
Components / BOM
  • Filter Media Part
    Primary filtration element that captures particles
    Material: Glass fiber or synthetic fiber
  • Separator Part
    Maintains pleat spacing and structural integrity
    Material: Aluminum or plastic
  • Sealing Gasket Part
    Ensures airtight seal between filter and housing
    Material: Polyurethane or neoprene
  • Frame Part
    Provides structural support and mounting interface
    Material: Galvanized steel or aluminum

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for HEPA/ULPA Filtration System.

Applied To / Applications

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

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 1.5 bar differential pressure
flow rate: 0.1 to 10 m³/s per filter unit
temperature: -20°C to 80°C
particle retention: ≥99.97% for 0.3μm particles (HEPA), ≥99.999% for 0.12μm particles (ULPA)
Media Compatibility
✓ Pharmaceutical cleanrooms ✓ Semiconductor manufacturing ✓ Hospital operating theaters
Unsuitable: High-humidity environments with water droplets or oil mist
Sizing Data Required
  • Required air volume flow rate (m³/h)
  • Room/duct dimensions and air change rate
  • Target particle size and cleanliness class (ISO 14644)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Filter Media Degradation
Cause: Excessive particulate loading leading to media clogging, chemical exposure causing material breakdown, or improper handling during installation/changeout causing physical damage.
Seal/Gasket Failure
Cause: Compression set from improper installation torque, chemical degradation from cleaning agents or process contaminants, or thermal cycling causing material fatigue.
Maintenance Indicators
  • Significant increase in differential pressure across the filter (exceeding manufacturer's maximum recommended ΔP)
  • Visible particulate bypass around filter seals or through damaged media (often detected via downstream particle counters in cleanrooms)
Engineering Tips
  • Implement predictive maintenance through continuous differential pressure monitoring with automated alerts at progressive thresholds (e.g., 80%, 90% of max ΔP)
  • Establish strict changeout procedures including proper gasket lubrication, torque sequencing, and leak testing with aerosol or particle counters post-installation

Compliance & Manufacturing Standards

Reference Standards
ISO 29463: High-efficiency filters and filter media for removing particles in air ANSI/ASHRAE 52.2: Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size DIN EN 1822: High efficiency air filters (EPA, HEPA and ULPA)
Manufacturing Precision
  • Filter media thickness: +/-0.05 mm
  • Frame squareness: 0.5 mm per meter
Quality Inspection
  • Particle Penetration Test (MPPS method)
  • Pressure Drop Test at rated airflow

Factories Producing HEPA/ULPA Filtration System

Manufacturer profiles with relevant production capability in China

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 particle removal efficiency does this HEPA/ULPA filtration system provide for electronics manufacturing?

Our HEPA filters achieve 99.97% efficiency at 0.3 microns, while ULPA filters provide 99.999% efficiency at 0.12 microns, ensuring optimal air quality for sensitive electronics and optical product manufacturing.

How does the galvanized steel frame construction benefit filtration system durability?

The galvanized steel frame provides corrosion resistance, structural integrity, and long-term stability in controlled environments, maintaining seal integrity and filter performance throughout extended operational life.

What maintenance is required for this filtration system in electronics manufacturing facilities?

Regular pressure drop monitoring, scheduled filter replacements based on environmental conditions, and periodic seal integrity checks ensure consistent performance. The aluminum separator and polyurethane sealant design facilitate easy maintenance access.

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.

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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