Grille Frame: Standard Thickness 1.2mm to 2.0mm

Component Specifications

Definition

A rigid structural component designed to securely mount and support ventilation grilles, fan assemblies, or protective screens within industrial ventilation systems. It provides dimensional stability, ensures proper airflow alignment, and serves as the mounting interface between the grille/fan and the ductwork or equipment housing.

Working Principle

The grille frame functions as a load-bearing structure that transfers mechanical loads from the grille or fan to the supporting duct or housing. It maintains the geometric integrity of the assembly under operational pressures and vibrations, ensuring the grille or fan remains correctly positioned for optimal airflow and safety.

Materials

Typically constructed from galvanized steel (e.g., SGCC, DX51D), aluminum alloys (e.g., 6061-T6, 5052-H32), or stainless steel (e.g., AISI 304, 316) for corrosion resistance. Thickness ranges from 0.8mm to 3.0mm depending on size and load requirements.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Frame Profile	L-angle, U-channel, or custom extruded
Mounting Type	Flanged, welded, or bolted
Surface Finish	Powder-coated, galvanized, or anodized
Flatness Tolerance	±1.5mm per meter
Standard Thickness	1.2mm to 2.0mm
Max Operating Temperature	Up to 250°C (material dependent)

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

Standards

ISO 5801, ISO 13349, DIN 24163, AMCA 500-L

Parent Products

This component is used in the following industrial products

Ventilation Grilles/Fans

Ventilation grilles and fans are essential components within battery racks and enclosures that regulate temperature and airflow to prevent overheating, maintain optimal operating conditions, and ensure safety by dissipating heat generated during battery charging and discharging cycles.

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Engineering Analysis

Risks & Mitigation

Frame deformation under load
Corrosion in humid environments
Improper mounting leading to vibration
Material fatigue from cyclic stress
Non-compliance with airflow standards

FMEA Triads

Trigger: Inadequate material thickness or poor welding
Failure: Frame buckling or cracking under operational pressure
Mitigation: Use finite element analysis (FEA) for design validation, specify minimum material thickness per load calculations, and implement weld quality inspections (e.g., visual, ultrasonic).

Trigger: Exposure to corrosive chemicals or moisture
Failure: Corrosion leading to structural weakness or contamination
Mitigation: Select corrosion-resistant materials (e.g., stainless steel 316 for harsh environments), apply protective coatings (e.g., powder coating), and design for drainage to prevent liquid accumulation.

Trigger: Misalignment during installation
Failure: Increased vibration, noise, and reduced airflow efficiency
Mitigation: Include alignment guides or dowel pins in frame design, provide clear installation instructions with torque specifications, and use laser alignment tools during assembly.

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Dimensional tolerance per ISO 2768-m for general lengths, ±0.5mm for critical mounting holes; flatness within 1.5mm/m as per DIN 7168.

Test Method

Static load testing per ISO 5801 Annex G for deflection limits, salt spray testing per ISO 9227 for corrosion resistance, and vibration testing per ISO 10816 to ensure stability under operational frequencies.

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Grille Frame

1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

ZENGO Airandus

Ningbo, Zhejiang, CN

Also makes: Ventilation Fan, Centrifugal Fan, Flexible Duct and 9 more

Listed on the company's own website · profile compiled by CNFX from public sources

Listed there as: “Return Air Filter Grille With Frame”
View source page ↗ airandus.com · checked 2026-08-26

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

What is the primary function of a grille frame in ventilation systems?

The primary function is to provide structural support and precise mounting for grilles or fans, ensuring alignment, stability under airflow pressures, and secure attachment to ductwork or equipment.

How do I select the right material for a grille frame?

Select based on environmental conditions: galvanized steel for general industrial use, aluminum for lightweight or corrosive environments, and stainless steel for high corrosion resistance or sanitary applications like food processing.

What standards apply to grille frame manufacturing?

Key standards include ISO 5801 for fan testing, ISO 13349 for ventilation terminology, DIN 24163 for duct components, and AMCA 500-L for airflow measurement, ensuring performance and safety compliance.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

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.

Grille Frame