Agitator/Stirrer for Product Collection Tanks

Product Specifications

Technical details and manufacturing context for Agitator/Stirrer

Definition

The Agitator/Stirrer is a component used in Product Collection Tanks within the machinery and equipment manufacturing industry. Its primary function is 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. The device typically consists of a motor-driven shaft with attached impellers, such as propeller, turbine, or anchor types, which 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. Materials on file include stainless steel (e.g., 304, 316L), carbon steel, and alloy steel. Key parameters include rated power (0.75–75 kW, per IEC 60034), impeller diameter (100–2000 mm), shaft length (300–6000 mm), shaft speed (10–1500 rpm), operating temperature (-40–200 °C), operating pressure (1.0–1.6 MPa), shaft runout (≤0.05 mm, per ISO 21940), noise level (≤85 dB(A), per ISO 3746), ingress protection (IP54–IP65, per IEC 60529), motor insulation class (F–H, per IEC 60085), wetted material (304–316L, per ASTM A240), and weight (50–2000 kg). These values are reference ranges and must be confirmed for the specific model and application. Standards listed are procurement references, not certifications. Verify all model-specific values and standards with the legal manufacturer or supplier before purchase.

Working Principle

The agitator operates via a motor-driven shaft with impellers that rotate within the tank. The impeller design—propeller, turbine, or anchor—creates specific flow patterns: axial flow moves fluid along the shaft axis, radial flow pushes fluid outward, and tangential flow induces swirling. The rotation speed and impeller geometry determine the mixing intensity and efficiency. For low-viscosity fluids, higher speeds are used; for high-viscosity fluids, lower speeds with larger impellers are typical. The shaft length and impeller diameter must match the tank dimensions and baffle configuration to ensure effective mixing and prevent dead zones. Proper selection of materials and seals is critical for corrosive or high-temperature media.

Common Materials

Stainless Steel (e.g., 304, 316L), Carbon Steel, Alloy Steel

Technical Parameters

Parameter	Typical range	Notes & selection driver
Rated Power	0.75–75 kW	Select based on viscosity and tank volumeIEC 60034
Impeller Diameter	100–2000 mm	Must match tank diameter and baffle configuration
Shaft Length	300–6000 mm	Determined by tank depth and mounting position
Shaft Speed	10–1500 rpm	High speed for low viscosity, low speed for high viscosity
Operating Temperature	-40–200 °C	Above 200°C requires special seals and materials
Shaft Runout	≤0.05 mm	Excessive runout causes vibration and seal wearISO 21940
Noise Level	≤85 dB(A)	Higher noise indicates mechanical issuesISO 3746
Ingress Protection	IP54–IP65	IP65 for washdown environmentsIEC 60529
Motor Insulation Class	F–H	Class H for high temperature environmentsIEC 60085
Wetted Material	304–316L SS	316L for corrosive mediaASTM A240
Weight	50–2000 kg	Affects installation and support structure

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Shaft Part
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 Part
Prevents leakage along the shaft where it enters the tank, often mechanical or packing type.

Material: PTFE/Carbon
Motor
Turns the shaft; its speed sets the mixing intensity.

Applied To / Applications

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

Product Collection Tank

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Slurry Dispersion System

View system integration details

Manufacturers of Agitator/Stirrer

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Frequently Asked Questions

What factors determine the required agitator power?

Power is selected based on fluid viscosity, tank volume, and desired mixing intensity. The reference range is 0.75–75 kW, but the exact value must be calculated by the manufacturer or supplier for your specific application.

How do I choose the impeller diameter?

Impeller diameter must match the tank diameter and baffle configuration. The reference range is 100–2000 mm. For proper mixing, the impeller should be sized relative to the tank to avoid dead zones and ensure efficient flow.

What materials are available for wetted parts?

Wetted materials on file include stainless steel grades 304 and 316L, carbon steel, and alloy steel. For corrosive media, 316L is recommended. Confirm material compatibility with your process fluid.

What maintenance signals indicate potential issues?

Excessive shaft runout (above 0.05 mm) can cause vibration and seal wear. Higher noise levels (above 85 dB(A)) may indicate mechanical issues. Regular inspection of seals, bearings, and impeller condition is recommended.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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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:	-40°C to +200°C
viscosity range:	1 cP to 50,000 cP
slurry concentration:	Up to 60% solids by weight

Agitator/Stirrer

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards