Editorial Technical Reference

Shielded Access Door

This page explains how Shielded Access Door is classified within Computer, Electronic and Optical Product Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

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
The Shielded Access Door is a component used in modular shielded enclosures, providing personnel or equipment access while preserving continuous electromagnetic interference (EMI) and radio frequency interference (RFI) shielding. It features conductive gaskets, shielded hinges, and interlocking mechanisms to prevent signal leakage when closed. Constructed from galvanized steel, the door incorporates copper-beryllium finger stock and conductive elastomer gaskets to ensure a continuous conductive path around the perimeter. The door is available in various sizes and configurations, with parameters such as shielding effectiveness (60–100 dB at 10 GHz, per IEC 61000-5-7), door opening size (600–1200 mm), door thickness (1.5–3.0 mm), operating temperature (-40 to 85°C, per IEC 60068-2-1/2), ingress protection (IP54–IP65, per IEC 60529), operating pressure (1.0–1.6 MPa), leakage rate (≤1.0×10⁻⁶ Pa·m³/s, per ISO 10648-2), door weight (50–150 kg), surface finish (Ra 1.6–3.2 μm, per ISO 4287), frame material (304/316L stainless steel, per ASTM A240), gasket material (EPDM/silicone, per ASTM D2000), and mounting type (flush or surface mount). These values are reference ranges and must be verified for the specific model and application. The door is designed to operate within these parameters, but actual performance depends on proper installation and maintenance. It is suitable for use in environments requiring electromagnetic compatibility, such as testing facilities, data centers, and secure communication areas. The door's construction and sealing mechanisms are critical to maintaining the integrity of the Faraday cage. Regular inspection of gaskets and hinges is recommended to ensure continued shielding effectiveness. The door is not a standalone product but a component of a larger enclosure system, and its selection should be based on the specific shielding requirements and environmental conditions of the application. Always confirm model-specific values and standards with the legal manufacturer or supplier.
Working Principle
The door uses conductive materials and specialized sealing mechanisms to create a continuous conductive path around its perimeter. When closed, the door forms part of the complete Faraday cage structure, preventing electromagnetic energy from passing through the access opening. The copper-beryllium finger stock and conductive elastomer gaskets ensure electrical continuity between the door and the enclosure frame, while the shielded hinges and interlocking mechanisms maintain this continuity even under mechanical stress. The door's effectiveness depends on the integrity of these seals and the proper closure of the door.
Common Materials
Galvanized steel, Copper-beryllium finger stock, Conductive elastomer gaskets
Technical Parameters
ParameterTypical rangeNotes & selection driver
Shielding Effectiveness60–100 dBAt 10 GHz; below 60 dB fails typical EMC requirementsIEC 61000-5-7
Door Opening Size600–1200 mmCustom sizes available; width and height
Door Thickness1.5–3.0 mmSteel sheet; thicker for higher rigidity
Operating Temperature-40–85 °CSeals and gaskets maintain performanceIEC 60068-2-1/2
Ingress ProtectionIP54–IP65Dust-tight and water-resistantIEC 60529
Leakage Rate≤1.0×10⁻⁶ Pa·m³/sHelium leak test; class 2ISO 10648-2
Door Weight50–150 kgDepends on size and material
Surface FinishRa 1.6–3.2 μmStainless steel; corrosion resistanceISO 4287
Frame Material304/316LStainless steel; 316L for harsh environmentsASTM A240
Gasket MaterialEPDM / SiliconeConductive gasket for EMI shieldingASTM D2000
Mounting TypeFlush / Surface mountFlush or surface mount

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

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

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

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable 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)

Quoted from the published standard.

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

Manufacturers of Shielded Access Door

Manufacturer profiles associated with Shielded Access Door.

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Frequently Asked Questions

What is the shielding effectiveness of this door?

The shielding effectiveness is specified as 60–100 dB at 10 GHz, per IEC 61000-5-7. However, this is a reference range; the actual value depends on the specific model, installation, and maintenance. Always verify with the manufacturer.

Can the door be used in outdoor environments?

The door has an ingress protection rating of IP54–IP65, indicating dust-tight and water-resistant properties. However, the operating temperature range is -40 to 85°C. For outdoor use, consider additional environmental factors and verify suitability with the supplier.

What materials are used for the door and gaskets?

The door is made of galvanized steel, with copper-beryllium finger stock and conductive elastomer gaskets. The frame material is stainless steel (304/316L). Gasket material is EPDM/silicone. These materials are chosen for conductivity and durability.

How is the door installed?

The door can be mounted flush or surface-mounted. Installation should be performed by qualified personnel to ensure proper alignment and sealing. The mounting type is specified as a parameter, but detailed installation instructions should be obtained from the manufacturer.
Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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