Motorized Stirrer – 1/2 H.P. to 2 H.P.
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Motorized Stirrer – 1/2 H.P. to 2 H.P.

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Product Overview

Motorized Stirrer is a compact and versatile electric stirring unit designed for efficient agitation, blending, dissolution and uniform mixing of low- to medium-viscosity liquids and formulations.

The unit is suitable for pharmaceutical, cosmetic, food, chemical, Ayurvedic, herbal, nutraceutical, laboratory and general industrial applications. Motor options from 1/2 H.P. to 2 H.P. provide flexibility for different batch sizes and product viscosities.

The stirrer can be supplied with stainless-steel product-contact components, suitable propeller/paddle/other impeller configurations, adjustable mounting arrangements and variable-speed control. Similar industrial stirrers are available with SS 304/SS 316 wetted components, VFD control and different impeller designs.

Description

Technical Specifications

Parameter Specification
Machine Name Motorized Stirrer
Model Series TEW-MS Series
Motor Capacity 1/2 H.P. to 2 H.P.
Motor Type AC Electric Motor
Motor Construction TEFC / suitable industrial-duty motor
Power Supply 230 V / 415 V AC, as required
Phase Single Phase / Three Phase
Frequency 50 Hz
Motor Speed Approx. 1440 RPM / 2800 RPM depending on motor selection
Speed Control Fixed Speed / VFD Controlled
Variable Speed Range Application dependent; VFD option available
Drive Arrangement Direct Drive
Mounting Top Entry / Stand Mounted
Shaft Material SS 304 / SS 316
Shaft Diameter As per motor, batch size and application
Impeller Material SS 304 / SS 316
Impeller Type Propeller / Paddle / Turbine / Customized
Number of Blades 2 / 3 / 4 or as required
Product Contact Parts SS 304 / SS 316 / SS 316L
Non-Contact Parts SS 304 / suitable MS construction
Shaft Arrangement Vertical
Shaft Adjustment Fixed / Height Adjustable
Drive Guard Provided
Support Structure Heavy-duty fabricated stand
Control Panel Starter / VFD control panel, as required
RPM Indication Digital display through VFD, optional
Surface Finish Smooth / sanitary finish for contact parts
Operation Electric operated
Automation Manual / Semi-Automatic
Design GMP-oriented option available

Motor Selection

Model Motor Power Typical Application
TEW-MS-0.5 1/2 H.P. Small-batch liquid stirring
TEW-MS-1 1 H.P. General liquid mixing and blending
TEW-MS-1.5 1.5 H.P. Medium-duty stirring
TEW-MS-2 2 H.P. Higher-volume / higher-viscosity applications

Actual mixing capacity and speed depend on vessel geometry, product viscosity, density, solids concentration and impeller selection. Published stirrer data similarly shows that motor rating and mixing capacity vary according to process material and viscosity.

Construction Details

  1. Motor

The machine is fitted with a robust electric motor selected according to the required stirring load. Motor options are available from 0.5 H.P. to 2 H.P. The motor can be supplied in single-phase or three-phase configuration according to the application.

  1. Stirrer Shaft

The vertical shaft is manufactured from stainless steel and accurately balanced for smooth operation. SS 304, SS 316 or SS 316L can be selected according to product-contact requirements.

  1. Impeller

The stirrer can be supplied with an appropriately selected impeller for the required mixing pattern. Available configurations include:

  • Propeller type
  • Paddle type
  • Turbine type
  • Pitched-blade type
  • Customized impeller

Impeller selection is finalized according to liquid viscosity, vessel dimensions and desired circulation pattern. Industrial stirrer systems commonly offer interchangeable propeller, turbine and pitched-blade impellers.

  1. Mounting Arrangement

The Motorized Stirrer can be supplied in different mounting configurations:

  • Tank-top mounted
  • Plate mounted
  • Stand mounted
  • Adjustable-height stand
  • Customized mounting arrangement

A stable mounting system minimizes vibration and maintains proper shaft alignment during operation.

  1. Speed Control

For applications requiring process flexibility, a Variable Frequency Drive (VFD) can be provided. VFD control allows the operator to adjust stirring speed according to the product and stage of processing.

  1. Product Contact Parts

Product-contact components can be manufactured in:

  • SS 304
  • SS 316
  • SS 316L

For pharmaceutical, food and cosmetic applications, hygienic construction and suitable surface finishing can be provided.

Key Features

  • Compact and efficient electric stirring system.
  • Motor options from 1/2 H.P. to 2 H.P.
  • Direct-drive arrangement for efficient power transmission.
  • Stainless-steel shaft and impeller options.
  • Propeller, paddle and turbine impeller configurations.
  • VFD speed control available.
  • Height-adjustable mounting available.
  • Suitable for low- and medium-viscosity products.
  • Smooth and vibration-minimized operation.
  • Easy-to-clean product-contact construction.
  • Heavy-duty support stand.
  • GMP-oriented construction available.
  • Customized shaft length and impeller dimensions.
  • Flameproof motor option available for suitable applications.

Optional Features

  • VFD control panel
  • Digital RPM indicator
  • Flameproof / explosion-proof motor
  • SS 304 complete construction
  • SS 316 / SS 316L complete contact parts
  • Height-adjustable stand
  • Mobile trolley with castor wheels
  • Pneumatic lifting arrangement
  • Hydraulic lifting arrangement
  • Customized impeller
  • Timer control
  • PLC/HMI control
  • Tank-top mounting plate
  • Sanitary mechanical seal
  • Special shaft and impeller arrangement

Applications

The Motorized Stirrer is suitable for:

  • Pharmaceutical liquid formulations
  • Syrups and suspensions
  • Cosmetic formulations
  • Creams and lotions
  • Ayurvedic and herbal preparations
  • Food and beverage liquids
  • Chemical solutions
  • Liquid soaps and detergents
  • Adhesives and resins
  • Paints and coatings
  • Inks and pigments
  • Flavour and fragrance solutions
  • General laboratory and industrial mixing

Advantages

  • Efficient and uniform agitation.
  • Compact machine design.
  • Easy operation and maintenance.
  • Flexible motor selection.
  • Suitable for different vessel sizes.
  • Customized impeller selection.
  • Stainless-steel construction for hygienic applications.
  • VFD option provides process-speed flexibility.
  • Suitable for laboratory, pilot and small production applications.

Available Models

TEW-MS-0.5 – Motorized Stirrer – 1/2 H.P.
TEW-MS-1 – Motorized Stirrer – 1 H.P.
TEW-MS-1.5 – Motorized Stirrer – 1.5 H.P.
TEW-MS-2 – Motorized Stirrer – 2 H.P.

Technical Note

The final RPM, shaft diameter, impeller diameter, number of impellers and recommended batch capacity should be selected according to the actual product viscosity, density, vessel diameter, liquid level and required mixing performance. This avoids specifying a universal capacity that may not be appropriate for every formulation.

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