INDUSTRY COMPONENT

Radial Vanes

Radial vanes are curved blades in high-pressure fish pump impellers that transfer energy from rotation to fluid flow.

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Component Specifications

Definition
Radial vanes are precision-engineered curved blades arranged radially around the hub of a high-pressure fish pump impeller. They convert rotational mechanical energy from the pump shaft into kinetic and pressure energy in the fluid (typically water containing fish or aquatic products). The vanes are designed with specific curvature (backward-curved, radial, or forward-curved profiles) to optimize efficiency, minimize turbulence, and handle solid-laden flows without damage to delicate biological materials.
Working Principle
Radial vanes operate on centrifugal force principles. As the impeller rotates at high speed, the vanes accelerate fluid outward from the center (eye) to the periphery. The curved shape guides fluid smoothly, converting velocity into pressure while minimizing shear forces that could harm fish. The vane geometry creates pressure differentials that maintain consistent flow rates even with variable solid concentrations.
Materials
Stainless steel (AISI 316L or 304), duplex stainless steel (2205), or marine-grade aluminum alloys (5052, 6061-T6) with corrosion-resistant coatings. Must be food-safe, non-toxic, and resistant to saltwater corrosion. Surface finish: Ra ≤ 0.8 μm to prevent biofilm accumulation.
Technical Parameters
  • Flow Rate 50-500 m³/h
  • Thickness 3-8 mm
  • Vane Angle 15-30° (backward-curved)
  • Vane Count 5-9 blades
  • Tip Clearance 0.5-1.5 mm
  • Rotational Speed 500-3000 RPM
  • Operating Pressure Up to 15 bar
Standards
ISO 5199, ISO 2858, DIN 24256

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Radial Vanes.

radial vane fish pump impeller aquaculture pump components high-pressure pump blades stainless steel vanes centrifugal pump parts Radial Vanes Radial Vanes in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

High-Pressure Fish Pump Impeller

Centrifugal impeller for transferring fish and seafood products through processing lines.

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Engineering Analysis

Risks & Mitigation
  • Cavitation damage from improper NPSH
  • Fatigue cracking at weld joints
  • Biofouling reducing efficiency
  • Imbalance causing vibration
FMEA Triads
Trigger: Cavitation due to low inlet pressure
Failure: Pitting erosion on vane surfaces
Mitigation: Ensure adequate NPSH, install pressure sensors, use cavitation-resistant materials
Trigger: Corrosion in saltwater environments
Failure: Material degradation and leakage
Mitigation: Use duplex stainless steel, apply protective coatings, implement cathodic protection
Trigger: Fatigue from cyclic loading
Failure: Crack propagation at stress concentrations
Mitigation: Optimize fillet radii, perform stress analysis, use shot peening

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.1 mm on critical dimensions, angular tolerance ±0.5°
Test Method
Hydrostatic pressure testing per ISO 5199, material certification per ASTM A240, surface roughness verification

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

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

Why are radial vanes backward-curved in fish pumps?

Backward-curved vanes provide stable pressure-flow characteristics, reduce turbulence, and minimize shear forces that could injure fish during transport.

How do radial vanes handle solid particles in fish pumps?

The smooth curvature and optimized tip clearances allow passage of fish and debris without clogging, while wear-resistant materials prevent erosion damage.

What maintenance do radial vanes require?

Regular inspection for corrosion, biofilm buildup, and wear at vane tips. Cleaning with food-safe solutions and checking balance during service intervals.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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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Radial Support Beams/Spokes Radiator Core