Structured Manufacturing Data (2026)

Suction Hood

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

A component of dust extraction systems that captures airborne particles at the source.

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Product Specifications

Technical details and manufacturing context for Suction Hood

Definition
The suction hood is a critical part of dust extraction units, designed to enclose or surround dust-generating processes to efficiently capture airborne particles, dust, and fumes before they disperse into the work environment. It serves as the primary collection point where contaminated air enters the extraction system.
Working Principle
The suction hood creates a localized airflow pattern that draws dust-laden air into the extraction system through negative pressure. Its design (shape, size, placement) determines capture efficiency by creating sufficient air velocity to overcome particle inertia and environmental air currents.
Common Materials
Galvanized steel, Stainless steel, Polypropylene
Technical Parameters
  • Hood dimensions (length, width, height) and connection diameter (mm) Per Request
Components / BOM
  • Housing Part
    Main structural enclosure that defines capture zone
    Material: Galvanized steel
  • Flange Part
    Connection interface to extraction ductwork
    Material: Steel
  • Baffle Plate Part
    Directs airflow and improves capture efficiency
    Material: Steel
  • Mounting Brackets Part
    Secures hood to equipment or structure
    Material: Steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Suction Hood.

industrial dust extraction suction hood galvanized steel suction hood for machinery source capture dust collection hood stainless steel industrial suction hood polypropylene suction hood for manufacturing

Applied To / Applications

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

Dust Extraction Unit
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Dust Removal System
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Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 0.5 bar (vacuum)
flow rate: 500-5000 m³/h
temperature: -20°C to 80°C
slurry concentration: Up to 5% solids by weight
Media Compatibility
✓ Wood dust ✓ Metal grinding particles ✓ Plastic powder
Unsuitable: Corrosive chemical vapors
Sizing Data Required
  • Required capture velocity (m/s)
  • Duct diameter (mm)
  • Source emission rate (kg/h)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Fatigue cracking
Cause: Cyclic stress from airflow pulsations and vibration, often exacerbated by improper mounting or resonance with connected equipment.
Corrosion or material degradation
Cause: Exposure to corrosive process gases, moisture, or chemical contaminants in the airstream, especially in high-humidity or acidic environments.
Maintenance Indicators
  • Unusual vibration or audible rattling indicating loose components or structural fatigue
  • Visible cracks, warping, or material discoloration on the hood surface
Engineering Tips
  • Implement regular vibration analysis and structural inspections to detect early fatigue signs before catastrophic failure
  • Apply protective coatings or select corrosion-resistant materials compatible with the specific process environment

Compliance & Manufacturing Standards

Reference Standards
ISO 14644-1:2015 (Cleanrooms and associated controlled environments) ANSI/ASHRAE 110-2016 (Method of Testing Performance of Laboratory Fume Hoods) DIN EN 14175-2:2016 (Fume cupboards - Safety and performance requirements)
Manufacturing Precision
  • Hood face velocity: +/-10% of design specification
  • Material thickness: +/-0.5mm for sheet metal components
Quality Inspection
  • Airflow uniformity test (using anemometer grid method)
  • Leakage test (using tracer gas or smoke generation method)

Factories Producing Suction Hood

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 the suction hood?

Our suction hoods are available in galvanized steel for general use, stainless steel for corrosive environments, and polypropylene for chemical resistance applications.

How does the suction hood improve dust extraction efficiency?

The suction hood captures airborne particles directly at the source before they disperse into the work environment, significantly improving dust collection efficiency and reducing overall system load.

What components are included in the suction hood assembly?

Each suction hood includes a housing, flange for connection to ductwork, baffle plate for airflow optimization, and mounting brackets for secure installation.

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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