Industrial Mixers

PerMix Sigma Mixers & Sigma Mixers & Extruders

PerMix Liquid Mixers

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PerMix Sigma Mixer

The PerMix PSG series Sigma Mixer, which is also known as the Double Sigma Mixer, or Double Z Blade Mixer, is used for the mixing-kneading of materials with very high viscosity (over 500,000 cps).

Unleashing Efficiency: The Ultimate Guide to Sigma Mixers in Industrial Processes

Introduction: In the fast-paced world of industrial manufacturing, efficiency is key. Sigma mixers & Sigma mixers/extruders, often hailed as the workhorses of mixing technology, play a crucial role in optimizing production processes. In this comprehensive guide, we’ll delve into the intricacies of sigma mixers, exploring their functionalities, applications, and the unparalleled benefits they bring to various industries.

Section 1: Understanding Sigma Mixers

What are Sigma Mixers? Sigma mixers, also known as Sigma blade mixers, are robust mixing machines designed for the homogenous blending of diverse materials. Their unique double-bladed sigma arms rotate in a kneading action, ensuring thorough mixing, kneading, and dispersion of ingredients.

Key Components Explore the essential components of sigma mixers, including the sigma blades, jacketed mixing chamber, drive systems, and control panels. Understanding the anatomy of these mixers is crucial for optimal performance.

Section 2: Applications Across Industries

Bakery and Confectionery Discover how sigma mixers streamline the production of doughs, batters, and confectionery products, ensuring consistent quality and reducing processing time.

Pharmaceutical Manufacturing Explore the pharmaceutical industry’s reliance on sigma mixers for precise blending of active pharmaceutical ingredients (APIs), excipients, and other materials, meeting stringent quality standards.

Plastics and Rubber Learn how sigma mixers contribute to the efficient mixing of polymers, additives, and fillers in the production of high-quality plastics, silicones, and rubber compounds.

Section 3: Advantages of Sigma Mixers

• Homogeneous Mixing Delve into the unparalleled mixing efficiency of sigma mixers, ensuring uniform distribution of ingredients for superior product quality.

• Versatility Explore the versatility of sigma mixers, capable of handling a wide range of viscosities, from pastes to highly viscous materials, making them indispensable across diverse industries.

• Reduced Processing Time Highlight the time-saving benefits of sigma mixers, as their kneading action accelerates the blending process, contributing to increased production efficiency.

Section 4: Choosing the Right Sigma Mixer

• Capacity and Size Considerations Guide readers through the process of selecting the ideal sigma mixer based on their specific production requirements, considering factors such as batch size and available space.

• Customization Options Explore the various customization options available, including jacketed mixing chambers, different blade designs, and control systems, allowing users to tailor the mixer to their unique needs.

Conclusion: Elevating Efficiency with Sigma Mixers

Summarize the key takeaways, emphasizing how sigma mixers revolutionize industrial processes by delivering consistent, high-quality results with unmatched efficiency. Whether in the bakery, pharmaceutical, or plastics industry, sigma mixers stand as indispensable tools for optimizing production and staying ahead in the competitive manufacturing landscape.

In the realm of industrial mixing equipment, the sigma mixer stands out as a true workhorse. Renowned for its efficiency and versatility, this robust machine plays a pivotal role in various industries, from food processing to pharmaceuticals and beyond. Let’s delve into the intricacies of how a sigma mixer works and why it has become a cornerstone in the world of mixing technology.

Understanding the Basics:

At its core, a sigma mixer is a double-arm kneading mixer designed for handling high-viscosity materials. The name “sigma” is derived from the Greek letter that resembles the shape of the mixing blades – two counter-rotating, sigma-shaped blades that move in a synchronized manner within a cylindrical mixing chamber.

Working Mechanism:

  1. Dual-Arm Kneading Action:
    • The sigma mixer’s primary function is to knead, fold, shear, and mix materials thoroughly. The dual-arm configuration ensures a thorough and efficient mixing process.
  2. Counter-Rotating Motion:
    • The sigma blades move in a counter-rotating fashion, ensuring that the entire batch is subjected to consistent shearing and kneading forces. This promotes uniform distribution of ingredients and prevents the formation of unmixed pockets.
  3. Cylindrical Mixing Chamber:
    • The mixing chamber, typically jacketed for temperature control, provides a contained environment for the mixing process. This is crucial for applications where precise temperature control is necessary, such as in the production of rubber compounds or pharmaceutical formulations.
  4. Versatility in Material Processing:
    • Sigma mixers are highly adaptable and can handle a wide range of materials, from high-viscosity pastes and adhesives to powders and solid materials. This versatility makes them indispensable in industries where product consistency and quality are paramount.

Advantages of Sigma Mixers:

  1. Efficient Homogenization:
    • The sigma mixer excels at achieving a homogenous blend, ensuring that every particle is thoroughly mixed. This is particularly crucial in industries such as cosmetics, where product consistency is a key factor.
  2. Time and Energy Efficiency:
    • The counter-rotating motion of the sigma blades minimizes mixing times, translating to increased productivity and energy savings. This is a significant advantage for industries with high-volume production requirements.
  3. Reduced Operator Intervention:
    • The robust design and automated mixing process of sigma mixers minimize the need for constant operator intervention, contributing to a safer and more streamlined production environment.


In conclusion, the sigma mixer’s unique dual-arm kneading action, counter-rotating motion, and versatile design make it an indispensable tool in various industries. Its ability to efficiently handle high-viscosity materials while ensuring uniform mixing has positioned it as a cornerstone in the world of industrial mixing technology. As industries continue to demand precision and efficiency, the sigma mixer stands tall as a reliable and innovative solution for diverse mixing applications.

A Comprehensive Guide to Sigma Mixer Installation and Setup for Optimal Performance


When it comes to efficient mixing in various industries, the sigma mixer stands out as a reliable and versatile solution. Proper installation and setup are crucial to ensure optimal performance and longevity. In this guide, we’ll walk you through the step-by-step process of installing and setting up a sigma mixer.

  1. Choose the Right Location: Select a well-ventilated and clean area for installing the sigma mixer. Ensure adequate space around the machine for easy access and maintenance. Consider factors such as power sources and proximity to raw materials.
  2. Check Power Requirements: Before installation, confirm that the power supply matches the requirements specified by the manufacturer. Use the correct voltage, and if necessary, consult with an electrician to ensure proper electrical connections.
  3. Unpacking and Inspection: Carefully unpack the sigma mixer, checking for any signs of damage during transportation. Inspect all components, including blades, shafts, and control panels, to ensure everything is in good condition.
  4. Foundation and Leveling: Install the mixer on a sturdy foundation, preferably a concrete floor, to minimize vibrations during operation. Use a spirit level to ensure the machine is perfectly leveled, as this is crucial for its stability and performance.
  5. Drive System Assembly: Drive system comes assembles & ready, just fill with oil as the units are shipped dry to avoid HAZMAT categorization during shipping
  6. Blade and Trough Installation: Shipped fully assembled
  7. Sealing and Lubrication: Inspect and properly seal any openings or joints to prevent leakage during operation. Lubricate moving parts as recommended by the manufacturer to reduce friction and ensure smooth operation.
  8. Electrical Connections: Connect the electrical components according to the provided wiring diagram. Double-check all connections to ensure they are secure and in compliance with safety standards.  
  9. Safety Features Testing: Test all safety features, such as emergency stops and overload protection, to ensure they function correctly. This is crucial for the safety of both the equipment and operators.
  10. Run a Test Batch: Before full-scale production, run a test batch to ensure that the mixer operates smoothly and meets the desired mixing parameters. Make any necessary adjustments to speed, time, and other settings.


Following these steps for the installation and setup of a sigma mixer will contribute to its longevity and efficient performance. Regular maintenance and adherence to manufacturer guidelines will further ensure the reliability of your sigma mixer in various industrial applications. For any specific details, always refer to the manufacturer’s manual for your particular sigma mixer model.

PerMix Sigma Mixer Specification

  • Quick disassembly & Easy cleaning design
  • Lab-size for R&D applications (Full volume of 1, 3, 5, 15L)
  • Overlapping arms
  • Special ‘Duplex’ kneading arms for intensive kneading
  • Variable speed drive
  • Hydraulic power pack for tilt-able trough
  • Vacuum execution
  • Welded jacket to the trough for heating & cooling
  • Bored shaft / arms for heating & cooling
  • Special ‘Duplex’ Kneading Arms
  • Custom dye plates & knife sets

Unveiling the Benefits of Sigma Mixer with Vacuum: Elevate Your Mixing Experience


In the dynamic world of industrial mixing, the Sigma Mixer with Vacuum stands out as a revolutionary solution, combining cutting-edge technology with unparalleled efficiency. This article explores the myriad advantages that this sophisticated equipment brings to the table, making it an indispensable asset for various industries.

  1. Precision Mixing: The Sigma Mixer with Vacuum excels in achieving precision mixing results. Its dual blades, sigma and extruder, work in tandem to ensure uniform blending of diverse materials, from powders to pastes. This precision is crucial in industries like pharmaceuticals, cosmetics, and food processing, where consistency is paramount.
  2. Enhanced Homogeneity: The vacuum feature adds a new dimension to the mixing process by removing unwanted air and gases. This not only prevents oxidation and preserves product quality but also enhances homogeneity. The result is a thoroughly mixed and degassed product, meeting the highest quality standards.
  3. Reduced Processing Time: Time is money in the industrial landscape, and the Sigma Mixer with Vacuum proves its worth by significantly reducing processing time. The vacuum expedites the removal of entrapped air, expelling it from the mixture efficiently. This accelerated process ensures quicker production cycles, boosting overall operational efficiency.
  4. Energy Efficiency: With an eye on sustainability, the Sigma Mixer with Vacuum is designed for energy efficiency. The vacuum function contributes to reducing the energy required for mixing, making it an eco-friendly choice. This aligns with the global trend towards environmentally conscious manufacturing practices.
  5. Versatility Across Industries: One of the standout features of the Sigma Mixer with Vacuum is its versatility. From rubber and plastics to adhesives and ceramics, this mixer adapts seamlessly to various industries. Its ability to handle a diverse range of materials makes it a go-to choice for manufacturers with multifaceted production needs.
  6. Minimized Material Waste: Achieving precision in mixing translates to minimized material waste. The Sigma Mixer with Vacuum ensures that each batch is thoroughly blended, leaving little room for inconsistencies or rejected products. This not only saves resources but also contributes to cost-effectiveness.
  7. Easy Maintenance and Cleaning: The design of the Sigma Mixer with Vacuum prioritizes user convenience. Its straightforward structure allows for easy maintenance, and the vacuum feature facilitates quick and efficient cleaning between batches. This ease of maintenance translates to increased uptime and a hassle-free production process.


In conclusion, the Sigma Mixer with Vacuum emerges as a game-changer in the realm of industrial mixing. Its ability to deliver precise, homogeneous mixtures, coupled with time and energy efficiency, positions it as an invaluable asset for a wide range of industries. As manufacturers seek to elevate their production processes, this advanced mixing solution proves to be a strategic investment, promising enhanced quality, reduced waste, and heightened operational efficiency.

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