Structured Manufacturing Data (2026)

HEPA/ULPA Filter Module

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard HEPA/ULPA Filter Module used in the Chemical Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

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

A modular filtration unit containing HEPA or ULPA filters that provides sterile air supply and containment within aseptic barrier systems.

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Product Specifications

Technical details and manufacturing context for HEPA/ULPA Filter Module

Definition
The HEPA/ULPA Filter Module is a critical component of Aseptic Barrier systems (Isolators/RABS) that ensures a controlled, particle-free environment. It consists of high-efficiency particulate air (HEPA) or ultra-low penetration air (ULPA) filters housed in a sealed module, which removes airborne contaminants and microorganisms from the air supply. Within the aseptic barrier, this module maintains positive or negative pressure differentials, prevents cross-contamination, and protects both the product and the external environment during pharmaceutical, biotech, or sterile manufacturing processes.
Working Principle
Air is forced through the filter media, which captures particles via mechanisms including interception, impaction, and diffusion. HEPA filters remove ≥99.97% of particles ≥0.3 μm, while ULPA filters remove ≥99.999% of particles ≥0.12 μm. The module ensures unidirectional airflow and maintains sterility by preventing particle ingress or egress.
Common Materials
Glass fiber filter media, Aluminum or stainless steel frame, Polyurethane or silicone gaskets
Technical Parameters
  • Module dimensions (length × width × depth) for integration into barrier systems (mm) Standard Spec
Components / BOM
  • Filter Media Part
    Primary filtration element that captures particles and microorganisms
    Material: Glass fiber or PTFE membrane
  • Frame/ Housing Part
    Provides structural integrity and seals the filter within the module
    Material: Stainless steel or anodized aluminum
  • Gasket/ Seal Part
    Ensures airtight seal between filter and housing to prevent bypass
    Material: Polyurethane, silicone, or closed-cell foam
  • Support Grid Part
    Reinforces filter media against airflow pressure and vibration
    Material: Aluminum or plastic

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for HEPA/ULPA Filter Module.

HEPA filter module for chemical manufacturing ULPA sterile air supply containment modular filtration unit aseptic barrier glass fiber HEPA filter chemical industry aluminum frame HEPA filter module

Applied To / Applications

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

Aseptic Barrier (Isolator/RABS)
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Clean Room Assembly Station
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Cleanroom Environmental Control System
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Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Max 500 Pa (2 in. H₂O) differential pressure
flow rate: 0.1 to 1.0 m³/s (200 to 2100 CFM) per module
temperature: 0°C to 60°C (32°F to 140°F)
slurry concentration: Not applicable - dry air filtration only
Media Compatibility
✓ Pharmaceutical grade clean air ✓ Electronics manufacturing cleanrooms ✓ Hospital isolation room ventilation
Unsuitable: High moisture or oil-laden air streams (>80% RH or oil mist present)
Sizing Data Required
  • Required air volume (CFM or m³/h)
  • Required cleanliness class (ISO 14644-1 or FS209E)
  • Available installation space dimensions

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Filter Media Degradation
Cause: Chemical attack from aggressive process gases or cleaning agents, leading to fiber breakdown and loss of filtration efficiency.
Seal Failure
Cause: Mechanical stress from improper installation, vibration, or gasket material incompatibility, resulting in bypass leakage around the filter frame.
Maintenance Indicators
  • Significant and sustained increase in pressure drop across the filter (ΔP) beyond the manufacturer's specified clean or final limit.
  • Visible particulate shedding downstream of the filter or a failed integrity test (e.g., aerosol photometer or particle counter scan).
Engineering Tips
  • Implement strict environmental monitoring and control of upstream air quality (humidity, chemical vapors, particulate load) to reduce the contaminant challenge to the filter media.
  • Use manufacturer-recommended installation procedures and torque specifications for gasketed frames, and perform regular in-situ integrity testing to detect seal leaks before they compromise the clean environment.

Compliance & Manufacturing Standards

Reference Standards
ISO 29463: High-efficiency filters and filter media for removing particles in air EN 1822: High efficiency air filters (EPA, HEPA and ULPA) IEST-RP-CC001.6: HEPA and ULPA Filters
Manufacturing Precision
  • Frame Squareness: ±0.5°
  • Seal Flatness: 0.1mm per 300mm
Quality Inspection
  • Particle Penetration Test (MPPS method)
  • Pressure Drop Test at rated airflow

Factories Producing HEPA/ULPA Filter Module

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 is the difference between HEPA and ULPA filters in these modules?

HEPA filters capture 99.97% of particles ≥0.3 microns, while ULPA filters capture 99.999% of particles ≥0.12 microns, providing higher purity for critical chemical manufacturing applications.

How do these filter modules maintain containment in aseptic barrier systems?

The modules feature polyurethane or silicone gaskets and sealed aluminum/stainless steel frames to prevent air leakage, ensuring sterile air supply and containment within controlled environments.

What maintenance is required for HEPA/ULPA filter modules in chemical facilities?

Regular integrity testing, gasket inspection, and filter replacement based on pressure drop monitoring are essential to maintain filtration efficiency and system performance in chemical manufacturing settings.

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 Chemical 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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