Structured Manufacturing Data (2026)

Shielded Access Door

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Shielded Access Door 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 Shielded Access Door is characterized by the integration of Door Panel and EMI Gasket. In industrial production environments, manufacturers listed on CNFX commonly emphasize Galvanized steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A specialized access door designed to maintain electromagnetic shielding integrity while allowing entry to shielded enclosures.

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Product Specifications

Technical details and manufacturing context for Shielded Access Door

Definition
A critical component of Modular Shielded Enclosures that provides personnel or equipment access while maintaining continuous electromagnetic interference (EMI) and radio frequency interference (RFI) shielding. Features conductive gaskets, shielded hinges, and interlocking mechanisms to prevent signal leakage when closed.
Working Principle
Utilizes conductive materials and specialized sealing mechanisms to create a continuous conductive path around the door perimeter, preventing electromagnetic energy from passing through the access opening. When closed, the door forms part of the complete Faraday cage structure.
Common Materials
Galvanized steel, Copper-beryllium finger stock, Conductive elastomer gaskets
Technical Parameters
  • Shielding effectiveness across frequency ranges (typically 10kHz-18GHz) (dB) Standard Spec
Components / BOM
  • Door Panel
    Primary shielding surface with conductive coating
    Material: Galvanized steel
  • EMI Gasket Part
    Creates continuous conductive seal around door perimeter
    Material: Copper-beryllium or conductive elastomer
  • Shielded Hinges Part
    Allow door movement while maintaining electrical continuity
    Material: Stainless steel with conductive contacts
  • Latching Mechanism
    Ensures uniform pressure on gasket for optimal sealing
    Material: Stainless steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Shielded Access Door.

EMI shielded access door for electronics RFI protection access door manufacturing electromagnetic shielding door for enclosures copper beryllium finger stock access door conductive elastomer gasket shielded door

Applied To / Applications

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

Modular Shielded Enclosure
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 0.5 psi differential
other spec: EMI shielding effectiveness: 60-120 dB across 10 kHz to 18 GHz
temperature: -40°C to +85°C
Media Compatibility
✓ Clean room environments ✓ Data center shielded enclosures ✓ Medical imaging equipment rooms
Unsuitable: High-pressure washdown or corrosive chemical exposure
Sizing Data Required
  • Opening dimensions (width x height)
  • Required EMI shielding attenuation level (dB)
  • Door swing clearance and mounting surface type

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Seal degradation
Cause: Exposure to environmental factors (UV radiation, temperature extremes, chemical exposure) and mechanical wear from repeated opening/closing cycles leading to loss of sealing integrity.
Hinge mechanism failure
Cause: Corrosion due to moisture ingress, inadequate lubrication, or excessive loading causing binding, misalignment, or complete seizure of the hinge system.
Maintenance Indicators
  • Visible light leakage around door perimeter indicating compromised radiation shielding or seal failure
  • Unusual grinding, scraping, or resistance sounds during door operation suggesting mechanical component wear or misalignment
Engineering Tips
  • Implement regular preventive maintenance including seal inspection/replacement schedules and hinge lubrication using manufacturer-specified materials compatible with the operating environment
  • Install door position sensors and usage counters to monitor operational cycles and trigger maintenance before critical failures occur, while ensuring proper alignment through periodic adjustment

Compliance & Manufacturing Standards

Reference Standards
ISO 14122-3:2016 (Safety of machinery - Permanent means of access to machinery - Stairs, stepladders and guard-rails) ANSI/BHMA A156.115 (American National Standard for Hardware Preparation in Steel Doors and Steel Frames) DIN 18040-1 (Barrier-free building design - Design principles - Part 1: Publicly accessible buildings)
Manufacturing Precision
  • Door Frame Squareness: +/- 1.5mm per meter
  • Hinge Alignment: +/- 0.5mm vertical deviation
Quality Inspection
  • Leakage Rate Test (for radiation or EMI shielding doors)
  • Non-Destructive Testing (NDT) - Ultrasonic Testing for weld integrity

Factories Producing Shielded Access Door

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 industries commonly use shielded access doors?

Shielded access doors are essential in computer, electronic, and optical product manufacturing, telecommunications, medical device production, aerospace, and defense industries where electromagnetic interference (EMI) protection is critical.

How does the shielded access door maintain EMI protection?

The door maintains EMI shielding through multiple layers: galvanized steel construction provides structural shielding, copper-beryllium finger stock creates continuous conductive contact, and conductive elastomer gaskets seal gaps to prevent electromagnetic leakage.

What maintenance is required for shielded access doors?

Regular inspection of EMI gaskets and conductive seals is essential. Clean contact surfaces periodically to maintain conductivity, check latching mechanism alignment to ensure proper compression of shielding materials, and verify hinge functionality to prevent shielding degradation.

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 Computer, Electronic and Optical Product 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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