Structured Manufacturing Data (2026)

Impeller

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

A rotating component that transfers energy from a motor to fluid within an agitator assembly

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Product Specifications

Technical details and manufacturing context for Impeller

Definition
The impeller is the key rotating element within an agitator assembly that converts rotational mechanical energy from the drive system into fluid motion, creating mixing, blending, or agitation effects in tanks, vessels, or reactors.
Working Principle
The impeller rotates within a fluid medium, creating pressure differentials and fluid displacement through its blades or vanes. This generates flow patterns (axial, radial, or tangential) that promote mixing, suspension, dispersion, or heat transfer within the vessel.
Common Materials
Stainless Steel, Carbon Steel, Plastic (PP, PVDF), Hastelloy
Technical Parameters
  • Diameter of the impeller (mm) Standard Spec
Components / BOM
  • Hub Part
    Central mounting point that connects impeller to agitator shaft
    Material: Same as main impeller material
  • Blades/Vanes Part
    Primary fluid contacting surfaces that generate flow and mixing
    Material: Same as main impeller material
  • Reinforcement Ribs Part
    Structural supports to prevent blade deformation under load
    Material: Same as main impeller material

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Impeller.

Mixing Blade Agitator Blade stainless steel impeller for agitator carbon steel impeller blade specifications plastic PP PVDF impeller manufacturing high-speed impeller rotation speed rpm custom impeller diameter blade angle

Applied To / Applications

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

Agitator Assembly
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Agitation System
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Circulation Pump
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Water Circulation Pump
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Molten Metal Pump
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Sanitary Centrifugal Pump
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CIP Supply Pump
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CIP Return Pump
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Cooling Pump
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Water Pump
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Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 10 bar
flow rate: 5-500 m³/h
temperature: -20°C to 150°C
slurry concentration: Up to 40% solids by weight
Media Compatibility
✓ Water-based fluids ✓ Chemical solutions (pH 2-12) ✓ Food-grade slurries
Unsuitable: Highly abrasive slurries with >40% solids or containing large particulates (>5mm)
Sizing Data Required
  • Required flow rate (m³/h)
  • Fluid viscosity (cP)
  • Tank/agitator diameter (m)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Cavitation
Cause: Localized pressure drops below vapor pressure causing vapor bubble formation and implosion, leading to pitting and material loss on impeller surfaces.
Fatigue cracking
Cause: Cyclic stresses from hydraulic unbalance, resonance, or misalignment leading to crack initiation and propagation, typically at blade roots or hub connections.
Maintenance Indicators
  • Increased vibration levels with distinct hydraulic unbalance patterns
  • Abnormal noise including rattling, grinding, or cavitation 'marbles in a can' sounds
Engineering Tips
  • Maintain NPSH margin above required levels through proper system design and operation to prevent cavitation
  • Implement precision dynamic balancing after any repair and monitor alignment to minimize cyclic stresses

Compliance & Manufacturing Standards

Reference Standards
ISO 1940-1:2003 (Balance quality requirements for rotors) ANSI/HI 1.1-1.2-2014 (Rotodynamic pumps for nomenclature and definitions) DIN 24296:2010 (Centrifugal pumps - Technical specifications)
Manufacturing Precision
  • Bore diameter: +/-0.025mm
  • Blade thickness uniformity: +/-0.1mm
Quality Inspection
  • Dye Penetrant Test for surface defects
  • Dynamic Balancing Test to ISO 1940-1 Grade G6.3

Factories Producing Impeller

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 fluid applications?

For corrosive environments, Hastelloy or plastic impellers (PP/PVDF) offer superior chemical resistance compared to stainless or carbon steel.

How does blade angle affect impeller performance?

Blade angle determines fluid flow patterns and mixing efficiency. Steeper angles create more axial flow, while shallower angles promote radial flow in agitator assemblies.

What factors determine the optimal number of blades?

Blade count affects torque requirements and mixing intensity. More blades provide smoother operation and higher shear, while fewer blades reduce power consumption and cavitation risk.

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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