Structured Manufacturing Data (2026)

HEPA/ULPA Filter Housing

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard HEPA/ULPA Filter Housing 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 HEPA/ULPA Filter Housing is characterized by the integration of Filter Frame and Sealing Gasket. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless steel (304/316L) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A structural enclosure designed to securely hold and seal HEPA or ULPA filters within sterile air generation systems.

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Product Specifications

Technical details and manufacturing context for HEPA/ULPA Filter Housing

Definition
The HEPA/ULPA Filter Housing is a critical component of Sterile Air Generation Systems that provides a rigid, airtight frame to mount high-efficiency particulate air (HEPA) or ultra-low penetration air (ULPA) filters. It ensures proper filter sealing, maintains airflow integrity, prevents bypass leakage, and facilitates filter installation, replacement, and maintenance while protecting the filter media from damage.
Working Principle
The housing creates a sealed chamber around the filter media, directing contaminated air through the filter while preventing unfiltered air from bypassing the filtration media. It maintains pressure differentials, supports the filter structure, and provides access ports for testing and maintenance.
Common Materials
Stainless steel (304/316L), Galvanized steel, Powder-coated aluminum
Technical Parameters
  • Filter frame dimensions (width × height × depth) to accommodate standard filter sizes (mm) Standard Spec
Components / BOM
  • Filter Frame
    Provides structural support and mounting surface for the filter media
    Material: Stainless steel or aluminum
  • Sealing Gasket Part
    Creates an airtight seal between the filter and housing to prevent bypass leakage
    Material: Silicone rubber or neoprene
  • Access Door
    Allows for filter installation, replacement, and inspection while maintaining seal integrity
    Material: Stainless steel with viewing window
  • Mounting Brackets Part
    Secures the housing to the ductwork or system structure
    Material: Stainless steel
  • Pressure Test Ports Part
    Provides access points for in-place filter testing and integrity verification
    Material: Stainless steel fittings

Industry Taxonomies & Aliases

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

stainless steel HEPA filter housing ULPA filter enclosure for cleanrooms industrial filter housing with pressure test ports HEPA filter mounting brackets and gaskets powder-coated aluminum filter housing

Applied To / Applications

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

Sterile Air Generation System
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 2500 Pa differential pressure
flow rate: 0.1 to 2.0 m³/s per filter module
temperature: -20°C to 80°C
sealing integrity: Leak rate < 0.01% of rated flow at test pressure
Media Compatibility
✓ Pharmaceutical grade air streams ✓ Electronics cleanroom environments ✓ Hospital surgical suite ventilation
Unsuitable: High moisture environments with condensation risk (>85% RH with temperature cycling)
Sizing Data Required
  • Required air volume (m³/h)
  • System static pressure (Pa)
  • Filter efficiency class (HEPA H13-H14 or ULPA U15-U17)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Filter bypass leakage
Cause: Improper gasket seating, seal degradation from chemical exposure, or housing distortion due to thermal cycling or mechanical stress, allowing unfiltered air to bypass the filter media.
Structural integrity loss
Cause: Corrosion from aggressive cleaning agents or environmental contaminants, fatigue from vibration or pressure cycling, or material degradation from UV exposure (if applicable), compromising housing airtightness and strength.
Maintenance Indicators
  • Visible air leakage or dust streaks around housing seams or gaskets during operation
  • Abnormal pressure drop readings across the housing (significantly higher or lower than baseline), indicating bypass or blockage
Engineering Tips
  • Implement regular torque checks on housing fasteners using calibrated tools to maintain proper gasket compression and prevent distortion-induced leaks
  • Establish a cleaning protocol using compatible, non-corrosive agents and validate housing integrity with aerosol or pressure decay testing after maintenance to ensure no bypass paths develop

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
  • Frame Squareness: +/-0.5 mm per meter
  • Sealing Surface Flatness: 0.1 mm maximum deviation
Quality Inspection
  • Leak Test (Scanning Method per EN 1822-3)
  • Particle Penetration Efficiency Test (0.3 μm for HEPA, 0.12 μm for ULPA)

Factories Producing HEPA/ULPA Filter Housing

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 materials are available for HEPA/ULPA filter housings?

Our housings are constructed from 304/316L stainless steel, galvanized steel, or powder-coated aluminum to suit various environmental and cleanliness requirements.

How does the housing ensure a proper seal for HEPA/ULPA filters?

Each housing includes a high-quality sealing gasket and precision-engineered filter frame to create an airtight seal, maintaining system integrity and filter efficiency.

What components are included in the standard BOM for these housings?

The standard bill of materials includes an access door, filter frame, mounting brackets, pressure test ports, and sealing gasket for complete installation and maintenance.

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 Machinery and Equipment 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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