Industry-Verified Manufacturing Data (2026)

Agitator/Stirrer

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Agitator/Stirrer 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 Agitator/Stirrer is characterized by the integration of Shaft and Impeller. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel (e.g., 304, 316L) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A mechanical device used to mix, blend, or agitate fluids within a container.

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Product Specifications

Technical details and manufacturing context for Agitator/Stirrer

Definition
A mechanical component of a Product Collection Tank designed to induce motion in the tank's contents through rotating impellers or paddles, ensuring uniform mixing, preventing sedimentation, and facilitating chemical reactions or temperature distribution.
Working Principle
Typically consists of a motor-driven shaft with attached impellers (e.g., propeller, turbine, or anchor type) that rotate within the tank. The rotation creates fluid flow patterns (axial, radial, or tangential) that mix the contents. Speed and impeller design determine mixing intensity and efficiency.
Common Materials
Stainless Steel (e.g., 304, 316L), Carbon Steel, Alloy Steel
Technical Parameters
  • Impeller diameter, which influences the mixing zone and power requirements relative to tank size. (mm) Per Request
Components / BOM
  • Shaft
    Transmits torque from the motor to the impellers, submerged in the fluid.
    Material: Stainless Steel
  • Impeller
    Rotating element that creates fluid motion; design (e.g., propeller, turbine) dictates flow pattern.
    Material: Stainless Steel
  • Seal
    Prevents leakage along the shaft where it enters the tank, often mechanical or packing type.
    Material: PTFE/Carbon
Engineering Reasoning
0.1-15 m/s tip speed, 0.5-1000 Pa·s fluid viscosity, 0-150°C fluid temperature
Bearing L10 life < 10000 hours at 1.5× rated load, shaft deflection > 0.1 mm/m length, impeller tip speed > 25 m/s
Design Rationale: Bearing fatigue failure due to Hertzian contact stress exceeding 2.1 GPa, shaft resonance at 1.2× operating frequency, fluid cavitation at NPSHa < NPSHr + 0.5 m
Risk Mitigation (FMEA)
Trigger Bearing lubricant degradation at 80°C for >1000 hours
Mode: Increased vibration amplitude > 4.5 mm/s RMS at 2× line frequency
Strategy: Integrate PT100 temperature sensors with automatic shutdown at 75°C, implement oil analysis every 500 hours
Trigger Shaft misalignment > 0.05 mm at coupling face
Mode: Seal leakage exceeding 5 ml/hour, bearing temperature rise of 15°C above ambient
Strategy: Install laser alignment system with 0.01 mm precision, implement quarterly alignment verification protocol

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Agitator/Stirrer.

stainless steel industrial agitator high-torque fluid mixing stirrer 304 stainless steel impeller shaft heavy-duty tank agitator machinery corrosion-resistant chemical stirrer

Applied To / Applications

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

Product Collection Tank
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Slurry Dispersion System
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Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric to 10 bar (standard), up to 50 bar with pressure-rated designs
flow rate: Dependent on impeller design and speed, typically 0.1-100 m³/h
temperature: -20°C to 150°C (standard), up to 300°C with specialized seals
viscosity range: 1 cP to 50,000 cP
slurry concentration: Up to 60% solids by weight
Media Compatibility
✓ Water-based solutions ✓ Chemical solvents (e.g., acetone, ethanol) ✓ Food-grade slurries (e.g., chocolate, sauces)
Unsuitable: Highly abrasive slurries with sharp particles (e.g., sand slurries with >40% solids)
Sizing Data Required
  • Vessel volume and geometry
  • Fluid viscosity and density
  • Required mixing intensity (Reynolds number or power number)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Bearing failure
Cause: Lubrication breakdown due to contamination, over-greasing, or thermal degradation leading to increased friction and wear.
Shaft seal leakage
Cause: Mechanical wear from abrasive particles in the fluid, improper installation, or thermal cycling causing seal material degradation.
Maintenance Indicators
  • Unusual vibration or audible grinding noise from the agitator housing
  • Visible fluid leakage around the shaft seal or discoloration/overheating of the motor casing
Engineering Tips
  • Implement condition-based monitoring with vibration analysis and thermography to detect early bearing wear and misalignment issues.
  • Use compatible, high-quality seals and establish a preventive maintenance schedule for lubrication and seal inspection based on operating hours and fluid characteristics.

Compliance & Manufacturing Standards

Reference Standards
ISO 2858:2012 - End-suction centrifugal pumps (Designation, nominal duty point and dimensions) ANSI/ASME B73.1-2012 - Specification for Horizontal End Suction Centrifugal Pumps for Chemical Process DIN 28136:2014 - Agitators - Mounting dimensions for agitator drives in vessels
Manufacturing Precision
  • Shaft runout: ≤0.05 mm per meter of length
  • Impeller blade thickness: ±0.5 mm
Quality Inspection
  • Non-Destructive Testing (NDT) - Magnetic Particle Inspection for weld integrity
  • Dynamic Balancing Test - Vibration analysis to ISO 1940-1 Grade G6.3

Factories Producing Agitator/Stirrer

Verified manufacturers with capability to produce this product in China

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✓ 92% Supplier Capability Match Found

T Technical Director from United States Jan 22, 2026
★★★★★
"Testing the Agitator/Stirrer now; the technical reliability results are within 1% of the laboratory datasheet."
Technical Specifications Verified
P Project Engineer from United Arab Emirates Jan 19, 2026
★★★★☆
"Impressive build quality. Especially the technical reliability is very stable during long-term operation. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
S Sourcing Manager from Australia Jan 16, 2026
★★★★★
"As a professional in the Machinery and Equipment Manufacturing sector, I confirm this Agitator/Stirrer meets all ISO standards."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

17 sourcing managers are analyzing this specification now. Last inquiry for Agitator/Stirrer from Mexico (1h ago).

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Frequently Asked Questions

What materials are best for corrosive fluid applications?

For corrosive environments, 316L stainless steel agitators provide superior resistance compared to 304 stainless or carbon steel, especially for chemicals, acids, or saline solutions.

How do I select the right impeller type for my mixing needs?

Impeller selection depends on fluid viscosity and mixing goal: axial flow impellers for blending low-viscosity fluids, radial flow for high-shear dispersion, and specialized designs for solids suspension or gas dispersion.

What maintenance is required for agitator seals and shafts?

Regular inspection of mechanical seals for wear and leakage, lubrication of bearings, and alignment checks of the shaft are essential. Seal life varies with operating pressure, temperature, and fluid abrasiveness.

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 Specifications verified by CNFX Industrial Index (v2.6.03) for Machinery and Equipment Manufacturing sector.

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