Industry-Verified Manufacturing Data (2026)

Agitator/Stirrer Assembly

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Agitator/Stirrer Assembly used in the Chemical Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Agitator/Stirrer Assembly is characterized by the integration of Drive Motor and Main Shaft. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel 316L construction to support stable, high-cycle operation across diverse manufacturing scenarios.

Mechanical assembly within a crystallization vessel that provides controlled agitation to promote crystal formation and prevent sedimentation.

View Full Specifications Explore Manufacturing Sources

Product Specifications

Technical details and manufacturing context for Agitator/Stirrer Assembly

Definition
A critical component of crystallization vessels consisting of a motor-driven shaft with attached impellers or paddles that rotates to create fluid motion within the vessel. This assembly ensures uniform temperature distribution, prevents localized supersaturation, promotes nucleation and crystal growth, and maintains suspension of solid particles during the crystallization process.
Working Principle
The assembly is driven by an electric motor that transmits torque through a shaft to impellers submerged in the crystallization solution. As the impellers rotate, they create fluid shear and circulation patterns that mix the solution, distribute heat evenly, prevent crystal settling, and control crystal size distribution through controlled agitation intensity.
Common Materials
Stainless Steel 316L, Hastelloy C-276
Technical Parameters
  • Shaft diameter and length, impeller diameter, number of impellers (mm) Per Request
Components / BOM
  • Drive Motor
    Provides rotational power to the shaft
    Material: Cast Iron/Stainless Steel
  • Main Shaft
    Transmits torque from motor to impellers
    Material: Stainless Steel 316L
  • Impeller/Paddle
    Creates fluid motion and mixing patterns
    Material: Stainless Steel 316L/Hastelloy
  • Seal Assembly
    Prevents leakage at shaft-vessel interface
    Material: PTFE/Ceramic
Engineering Reasoning
0.5-15 rpm at 0.1-5.0 N·m torque
Shear stress exceeding 45 MPa at the shaft-seal interface or bearing temperature exceeding 120°C
Design Rationale: Fatigue failure from cyclic torsional loading exceeding the endurance limit of AISI 316L stainless steel (210 MPa) or lubricant breakdown due to Arrhenius rate law thermal degradation
Risk Mitigation (FMEA)
Trigger Crystallization fouling creating 3.2 mm radial clearance imbalance
Mode: Bearing seizure from 150% overload condition
Strategy: Integrate ultrasonic cleaning nozzles at 40 kHz with automated CIP cycles every 72 hours
Trigger VFD harmonic distortion exceeding IEEE 519-2014 limits (8% THD)
Mode: Insulation breakdown in motor windings at 1500 V/mm field strength
Strategy: Install 18-pulse drive configuration with 5% line reactors and 100 kVA isolation transformers

Industry Taxonomies & Aliases

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

chemical crystallization agitator assembly stainless steel 316L stirrer for crystallization Hastelloy C-276 agitator shaft industrial crystallization vessel stirrer mechanical agitator for crystal formation

Applied To / Applications

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

Crystallization Vessel
View system integration details

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 10 bar (gauge)
flow rate: 0.1 to 5 m/s tip speed
temperature: -20°C to 200°C
slurry concentration: Up to 60% solids by weight
Media Compatibility
✓ Aqueous salt solutions ✓ Organic solvent mixtures ✓ Pharmaceutical slurries
Unsuitable: Highly corrosive media (e.g., concentrated hydrochloric acid)
Sizing Data Required
  • Vessel volume (m³)
  • Desired mixing intensity (tip speed, m/s)
  • Slurry viscosity (cP)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Bearing fatigue failure
Cause: Excessive radial loads from process imbalances, misalignment, or improper lubrication leading to spalling and premature wear.
Shaft seal leakage
Cause: Abrasive particle ingress, thermal cycling, or mechanical seal face degradation due to dry running or cavitation-induced vibration.
Maintenance Indicators
  • Unusual high-frequency vibration or audible grinding from the drive assembly
  • Visible fluid leakage around the shaft seal or discoloration/overheating at bearing housings
Engineering Tips
  • Implement precision laser alignment during installation and re-alignment after maintenance to minimize bearing loads and shaft deflection.
  • Establish condition-based monitoring with vibration analysis and thermography to detect early-stage bearing/seal degradation before catastrophic failure.

Compliance & Manufacturing Standards

Reference Standards
ISO 1940-1:2003 (Mechanical vibration - Balance quality requirements for rotors in a constant (rigid) state) ANSI/ASME B73.1-2012 (Specification for Horizontal End Suction Centrifugal Pumps for Chemical Process) DIN 28136-2:1994 (Agitators - Dimensions, nominal speeds, power input)
Manufacturing Precision
  • Shaft runout: ≤0.05mm at bearing journals
  • Impeller blade thickness uniformity: ±0.5mm across all blades
Quality Inspection
  • Non-destructive testing: Magnetic particle inspection of welds and critical components
  • Performance validation: Hydrostatic pressure test at 1.5x maximum operating pressure for 30 minutes

Factories Producing Agitator/Stirrer Assembly

Verified manufacturers with capability to produce this product in China

Add your factory

✓ 96% Supplier Capability Match Found

S Sourcing Manager from Australia Feb 21, 2026
★★★★★
"Found 38+ suppliers for Agitator/Stirrer Assembly on CNFX, but this spec remains the most cost-effective."
Technical Specifications Verified
P Procurement Specialist from Singapore Feb 18, 2026
★★★★☆
"The technical documentation for this Agitator/Stirrer Assembly is very thorough, especially regarding technical reliability. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
T Technical Director from Germany Feb 15, 2026
★★★★★
"Reliable performance in harsh Chemical Manufacturing environments. No issues with the Agitator/Stirrer Assembly so far."
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 Assembly from Mexico (54m ago).

Supply Chain Compatible Machinery & Devices

Automated Batch Crystallization System

Automated system for controlled crystallization of chemical compounds in batch processes.

Explore Specs →
Automated pH Monitoring and Dosing System

Automated system for continuous pH monitoring and chemical dosing in process streams.

Explore Specs →
Automated Powder Dispensing and Blending System

Automated system for precise dispensing and homogeneous blending of powdered chemicals.

Explore Specs →
Automated Solvent Recovery and Purification System

Automated system for recovering and purifying industrial solvents.

Explore Specs →

Frequently Asked Questions

What are the benefits of using Hastelloy C-276 in agitator assemblies for chemical manufacturing?

Hastelloy C-276 offers exceptional corrosion resistance against a wide range of aggressive chemicals, including chlorides and acids, making it ideal for harsh crystallization environments where material integrity is critical.

How does the agitator assembly prevent sedimentation in crystallization vessels?

The assembly's impeller/paddle design creates controlled fluid motion that keeps particles suspended, ensuring uniform crystal growth and preventing solids from settling at the bottom of the vessel.

What maintenance is required for the seal assembly in these agitators?

Regular inspection for wear and leakage is recommended, with replacement based on operational hours and chemical exposure. Proper lubrication and alignment during installation help extend seal life in demanding chemical environments.

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 Chemical Manufacturing sector.

Get Quote for Agitator/Stirrer Assembly

Request technical pricing, lead times, or customized specifications for Agitator/Stirrer Assembly directly from verified manufacturing units.

Your business information is encrypted and only shared with verified Agitator/Stirrer Assembly suppliers.

Thank you! Your message has been sent. We'll respond within 1–3 business days.
Thank you! Your message has been sent. We'll respond within 1–3 business days.

Need to Manufacture Agitator/Stirrer Assembly?

Connect with verified factories specializing in this product category

Add Your Factory Contact Us
Previous Product
Agitator/Mixer (if applicable)
Next Product
Air Exhaust System