Structured Manufacturing Data (2026)

Hub/Centerbody

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

The central structural component of a swirler that anchors and positions the swirling vanes or passages.

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Product Specifications

Technical details and manufacturing context for Hub/Centerbody

Definition
In a swirler assembly, the hub or centerbody serves as the core structural element around which the swirling mechanism is built. It provides the mounting points and geometric reference for the swirling vanes, channels, or passages that impart rotational motion to fluid flow. This component ensures proper alignment and spacing of swirling elements while withstanding mechanical stresses from fluid dynamics and rotational forces.
Working Principle
The hub/centerbody acts as a stationary or rotating central axis that supports and positions the swirling elements (vanes, channels, or passages). It maintains structural integrity while fluid flows around or through it, enabling controlled swirling motion generation. In rotating designs, it transmits torque; in stationary designs, it provides fixed reference geometry.
Common Materials
Stainless Steel, High-Temperature Alloy, Titanium Alloy
Technical Parameters
  • Diameter of the hub/centerbody at its widest point (mm) Standard Spec
Components / BOM
  • Mounting Flange Part
    Provides attachment points to connect the hub to other swirler components or the main assembly
    Material: Same as main hub material
  • Vane Attachment Points Part
    Precise locations where swirling vanes are secured to the hub structure
    Material: Same as main hub material
  • Central Bore Part
    Hollow center for weight reduction, fluid passage, or shaft accommodation
    Material: Same as main hub material

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Hub/Centerbody.

Swirler Hub Center Body high temperature alloy swirler centerbody stainless steel hub for swirling vanes titanium alloy central bore component machinery manufacturing swirler anchor precision vane attachment points hub

Applied To / Applications

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

Swirler
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Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 100 bar
flow rate: 0.5 to 50 m³/h
temperature: -50°C to 650°C
slurry concentration: Up to 30% solids by weight
Media Compatibility
✓ Natural gas/air mixtures ✓ Process gases (CO2, N2, O2) ✓ Water-based slurries
Unsuitable: Highly corrosive acids (e.g., concentrated sulfuric acid)
Sizing Data Required
  • Swirler inlet diameter (mm)
  • Required swirl number/angle
  • Maximum allowable pressure drop (bar)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Fatigue cracking
Cause: Cyclic stress from rotational forces and vibration, often exacerbated by material defects or improper heat treatment.
Corrosion pitting
Cause: Exposure to corrosive fluids or environments, combined with galvanic corrosion from dissimilar metals in assembly.
Maintenance Indicators
  • Unusual vibration or imbalance during operation
  • Visible cracks, discoloration, or material loss on the hub surface
Engineering Tips
  • Implement regular non-destructive testing (e.g., dye penetrant or magnetic particle inspection) to detect early-stage cracks.
  • Apply protective coatings or select corrosion-resistant alloys suited to the specific operating environment.

Compliance & Manufacturing Standards

Reference Standards
ISO 2768-1:1989 (General tolerances for linear and angular dimensions) ANSI B4.1-1967 (Preferred Limits and Fits for Cylindrical Parts) DIN 7182-1:2001 (Tolerances for hubs and bores)
Manufacturing Precision
  • Bore diameter: +/-0.02mm
  • Hub concentricity: 0.05mm TIR
Quality Inspection
  • Dimensional verification with CMM (Coordinate Measuring Machine)
  • Magnetic Particle Inspection for surface cracks

Factories Producing Hub/Centerbody

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 recommended for high-temperature applications?

For high-temperature environments, high-temperature alloys like Inconel or Hastelloy are recommended due to their excellent thermal resistance and strength retention at elevated temperatures.

How does the hub/centerbody ensure proper vane positioning?

The hub features precisely machined vane attachment points that anchor and align swirling vanes or passages, maintaining consistent spacing and angles for optimal fluid or gas flow dynamics.

What are the key specifications to consider when selecting a hub/centerbody?

Key specifications include material grade, central bore diameter, mounting flange dimensions, vane attachment point tolerances, operating temperature range, and corrosion resistance requirements for your specific 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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