Structured Manufacturing Data (2026)

Impeller/Fan

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Impeller/Fan 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 Impeller/Fan is characterized by the integration of Blades and Hub. In industrial production environments, manufacturers listed on CNFX commonly emphasize Aluminum alloy construction to support stable, high-cycle operation across diverse manufacturing scenarios.

Rotating component that moves air or gas within an air blower/damper system.

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Product Specifications

Technical details and manufacturing context for Impeller/Fan

Definition
A mechanical rotating device that generates airflow or pressure within air blower/damper assemblies, typically consisting of blades mounted on a central hub that rotates to displace air or gases for ventilation, cooling, or process applications.
Working Principle
Rotational motion of blades creates pressure differentials, drawing air in axially and expelling it radially or axially depending on impeller design, with performance determined by blade geometry, rotation speed, and system resistance.
Common Materials
Aluminum alloy, Stainless steel, Engineering plastics
Technical Parameters
  • Impeller diameter - critical dimension affecting airflow capacity and system compatibility (mm) Standard Spec
Components / BOM
  • Blades Part
    Generate airflow through aerodynamic design and rotation
    Material: Aluminum/stainless steel/plastic
  • Hub
    Central mounting point connecting impeller to motor shaft
    Material: Steel/aluminum
  • Balancing weights Part
    Counterweights to ensure smooth rotation and reduce vibration
    Material: Lead/steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Impeller/Fan.

industrial air blower impeller stainless steel fan for machinery aluminum alloy impeller blades balanced fan hub assembly engineering plastic air damper fan

Applied To / Applications

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

Air Blower/Damper
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 1.5 bar differential
flow rate: 100-50,000 CFM
temperature: -20°C to 150°C
slurry concentration: Not applicable for slurry; max particulate loading: 100 mg/m³
Media Compatibility
✓ Clean air/gas systems ✓ HVAC ventilation ✓ Industrial process air handling
Unsuitable: Abrasive slurry or high-viscosity fluid environments
Sizing Data Required
  • Required volumetric flow rate (CFM or m³/h)
  • System static pressure (inches H₂O or Pa)
  • Gas density or operating temperature/pressure conditions

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Fatigue cracking
Cause: Cyclic stresses from vibration, imbalance, or resonance leading to material fatigue and crack propagation, often initiating at stress concentrators like blade roots or welds.
Corrosion and erosion
Cause: Chemical attack from process fluids or atmospheric exposure combined with particle impingement, thinning blades and degrading structural integrity, accelerated by improper material selection or coating failure.
Maintenance Indicators
  • Unusual vibration or noise levels increasing over time, indicating imbalance, bearing wear, or structural issues.
  • Visible blade damage such as cracks, pitting, or material loss, or performance drop like reduced airflow/pressure despite normal operation.
Engineering Tips
  • Implement regular dynamic balancing and alignment checks during maintenance to minimize vibration-induced stresses and prevent imbalance-related failures.
  • Select appropriate corrosion-resistant materials or apply protective coatings, and ensure proper filtration of intake air/fluids to reduce erosive particle impact.

Compliance & Manufacturing Standards

Reference Standards
ISO 1940-1:2003 - Balance quality requirements for rotors in a constant (rigid) state ANSI/AMCA 210-07 - Laboratory Methods of Testing Fans for Certified Aerodynamic Performance Rating DIN 1946-1:2019-12 - Ventilation and air conditioning - Part 1: Health requirements
Manufacturing Precision
  • Bore diameter: +/-0.02 mm
  • Blade tip clearance: +/-0.5 mm
Quality Inspection
  • Dynamic balancing test (ISO 1940-1 Grade G6.3)
  • Dimensional verification with CMM (Coordinate Measuring Machine)

Factories Producing Impeller/Fan

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 best for corrosive environments?

Stainless steel impellers offer superior corrosion resistance for harsh industrial environments, while engineering plastics provide chemical resistance at lower cost.

How important is balancing for impeller performance?

Proper balancing with balancing weights is critical to reduce vibration, minimize wear on bearings, and ensure efficient, quiet operation in air blower systems.

Can impellers be customized for specific airflow requirements?

Yes, blade design, hub configuration, and material selection can be customized to optimize airflow, pressure, and efficiency for your specific machinery application.

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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