Stock Static Mixers


ProMixUSA Stock Static Mixers carry a complete line of threaded, flanged, and Triclamp stainless steel static mixers, that are in stock for immediate delivery.  Flanged, Triclamp, and Threaded stainless steel mixers that range in sizes from 1/4″- 8″ are constructed of 304/316 stainless steel with either 6 or 12 mixing elements.   All mixers are precision-welded into a schedule 40 pipe or tubing.

Stock static mixers are passive mixing devices designed to blend fluids or gases efficiently within a pipeline system.  These mixers feature a fixed internal geometry that disrupts and divides the flow stream, promoting thorough mixing without the need for external power sources.  Stock static mixers are known for their simplicity, low maintenance requirements, and cost-effectiveness.  They are commonly used in various industries such as chemical processing, water treatment, food production, and pharmaceutical manufacturing for achieving homogenous mixtures, dispersing additives, and ensuring consistent product quality.  With their compact design and easy installation, stock static mixers offer a dependable solution for a wide range of applications where efficient and reliable mixing is essential.

ProMixUSA maintains Stock Static Mixers ready-to-ship, off-the-shelf product lines to suit numerous mixing applications.  Whether your application requires a quick flash blend or a demanding mix with high corrosion resistance, ProMixUSA offers multiple in-stock options.  A stock inline static mixer is a precision-engineered device employed across industries for efficient fluid mixing without the need for moving parts.  Let’s delve into a detailed description of a stock inline static mixer:

Constructed from durable materials like stainless steel or PVC, a stock inline static mixer features a compact and cylindrical design.  This design allows for easy integration into existing piping systems.  It also ensures seamless installation and minimal space requirements.  The key components of a stock inline static mixer include multiple stationary mixing elements.  These elements are strategically placed within the mixer housing.  These elements are designed to induce turbulence and promote thorough intermixing of fluids passing through the inline static mixer.

As the fluid flows through the inline static mixer, the intricate arrangement of the mixing elements disrupts the flow pattern, creating vortices, splits, and folds.  In addition, these mechanisms facilitate efficient blending and dispersion of components.  It will also ensure uniform mixing and homogenization of the fluid stream.  Moreover, the versatility of a stock inline static mixer lies in its ability to accommodate a wide range of flow rates.  It can also accommodate different viscosities and operating conditions.  Finally, whether handling low-viscosity liquids or high-viscosity fluids, the inline static mixer can effectively mix the substances to meet specific application requirements.


Transitioning to applications, a stock inline static mixer finds extensive use in industries such as chemical processing, water treatment, food and beverage production, pharmaceutical manufacturing, and more.  In chemical processing, it facilitates the blending of various chemicals for reactions and product formulations.  Furthermore, in water and wastewater treatment plants, stock inline static mixers play a crucial role in mixing treatment chemicals thoroughly for effective purification processes.  They ensure uniform distribution of additives, promoting efficient water treatment.

By employing an inline static mixer in food and beverage production, manufacturers achieve a consistent blending of ingredients for products like sauces, beverages, and dairy products.  The mixer’s design promotes even dispersion, enhancing product quality and taste.  Also, in the pharmaceutical sector, stock inline static mixers are utilized for precise mixing.  Precise mixing such as active pharmaceutical ingredients (APIs) and excipients to ensure accurate dosing and homogenous formulations.  This contributes to the quality and efficacy of pharmaceutical products.  Furthermore, transitioning to benefits, a stock inline static mixer offers advantages such as energy efficiency, minimal maintenance requirements, and cost-effectiveness.  Its compact design and seamless integration into existing piping systems make it a practical and efficient solution for diverse mixing applications.

In conclusion, a stock inline static mixer is a versatile and reliable mixing device.  It is a device that enhances fluid blending processes across various industries.  Its robust construction and efficient mixing capabilities.  Finally, its seamless integration makes it an indispensable tool.  A Tool for achieving uniform mixing and optimal process efficiency.


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Custom Static Mixers

Injection Quills

Weight 24 lbs
Dimensions 12 × 1 × 1 in

1/2", 3/4", 1", 1-1/2", 2"

Element Type

Blade, Helix

Materials of Construction

304SS, 316SS

Element Qty

6, 12

Connection End

Threaded (MNPT), Flanged (RF Class150), Tri-clamp (Sanitary)


Diameter:  1/2″ – 24″  (Additional Sizes are available on request)

Mixing Elements:  Helical Mixing Elements / Half Moon Blade Type Elements / Non-Clogs / Packed Internals


     Standard:  Carbon Steel, 304 / 304L SS, 316 / 316L SS

     Higher Alloys:  Hastelloy® C-276, Duplex 2205 / 2507, Inconel, Alloy 20, Monel, Titanium

Pipe Schedule:  

     Standard:  Schedule 10S, Schedule 40S, Schedule STD

     Alternate:  STD, 80, XH, 160, XXH


Flanged Ends:  Class 150,  Class 300, Class 600, Class 1200 (Additional Pressure Classes are available on request)

Threaded Ends:  MNPT, FNPT (Additional thread types are available on request)

Plain Ends:  MNPT, FNPT (Additional thread types are available on request)

Weld Neck Flanged Ends

Tri-Clamp Ends


     Heating / Cooling Jackets

     Removable Elements

     Injection Ports

     Flow Straightening Vanes


Stainless Static Mixer Technical Specifications

ModelPipe Dia.
Number of


Q:  What are stock inline static mixers?

A:  Stock inline static mixers are mixing devices that are installed directly in a pipeline to efficiently blend and homogenize fluids or gases flowing through the system.

Q:  How do stock inline static mixers work?

A:  Stock inline static mixers utilize a series of stationary mixing elements to disrupt and blend the fluid or gas streams passing through them, promoting thorough mixing without any moving parts. The design creates turbulence and folds the fluids to achieve the desired homogeneity.

Q:  What are the benefits of using stock inline static mixers?

A:  Stock inline static mixers offer benefits such as improved process efficiency, reduced energy consumption, lower pressure drop, simple installation, minimal maintenance requirements, and consistent mixing performance.

Q:  Where are stock inline static mixers commonly used?

A:  Stock inline static mixers find applications in various industries, including chemical processing, water treatment, food and beverage production, pharmaceutical manufacturing, petrochemical industries, and more.

Q:  Can stock inline static mixers be customized for specific applications?

A:  Yes, many manufacturers offer customization options for stock inline static mixers to meet specific flow rates, viscosity requirements, and mixing objectives of different processes.

Q:  How to select the right stock inline static mixer for a specific application?

A:  When choosing a stock inline static mixer, factors such as flow rate, viscosity, desired mixing intensity, material compatibility, and installation space should be considered to ensure optimal performance and efficiency.

This Q&A section provides an overview of stock inline static mixers, their functionality, benefits, applications, customization options, and considerations for selecting the appropriate mixer for different industrial processes.

Advantages / Disadvantages


Efficient Mixing:  Stock inline static mixers offer efficient mixing of fluids or gases without the need for external power sources, relying on the flow of the process stream for blending.

Low Maintenance:  These mixers have no moving parts, resulting in reduced maintenance requirements compared to dynamic mixers, leading to cost savings and less downtime.

Compact Design:  Stock inline static mixers have a space-saving design, making them ideal for installations where space is limited.

Easy Installation:  They can be easily integrated into existing pipeline systems, requiring minimal modifications for installation, which simplifies the process.

Cost-Effective:  Stock static mixers are generally cost-effective compared to dynamic mixers, offering an efficient mixing solution at a lower initial investment.

Energy Efficient:  Due to their passive mixing design, stock inline static mixers do not require additional energy input for blending, contributing to energy savings.


Limited Mixing Intensity:  Compared to some dynamic mixers, static mixers may have limitations in achieving very high levels of mixing intensity or shear.

Application Limitations:  Certain applications with specific mixing requirements or shear sensitivity may not be suitable for stock inline static mixers.

Pressure Drop:  Depending on the design and configuration, stock inline static mixers can cause a pressure drop in the process stream, which might need to be accounted for in the system design.

Potential Clogging:  In applications with particulate matter or debris, static mixers can be prone to clogging, which may require additional maintenance or cleaning procedures.

Limited Customization:  Stock inline static mixers may have limited customization options compared to custom-designed mixers, which could restrict their suitability for unique process requirements.

By considering these advantages and disadvantages, you can make an informed decision on whether stock inline static mixers are the right choice for your specific mixing application.


A stock inline static mixer can be used in a variety of applications across different industries due to its versatility and efficiency in mixing fluids. Some common applications where a stock inline static mixer can be utilized include:

Chemical Processing:  Inline static mixers are essential in chemical processing plants for blending and reacting different chemicals to create specific compounds or solutions. They ensure thorough mixing of reagents and facilitate chemical reactions.

Water and Wastewater Treatment:  Inline static mixers are utilized in water treatment facilities to mix coagulants, disinfectants, and other treatment chemicals effectively in water or wastewater streams. They help in achieving uniform distribution of treatment agents for efficient purification processes.

Food and Beverage Production:  Inline static mixers play a crucial role in the food and beverage industry for mixing ingredients, flavors, additives, and colors uniformly in various food products and beverages. They ensure consistent product quality and taste.

Pharmaceutical Manufacturing:  In pharmaceutical production, stock inline static mixers are used for blending active pharmaceutical ingredients (APIs), excipients, and other components during the manufacturing of medicines and healthcare products. They assist in achieving homogenous mixtures for accurate dosing.

Petrochemical Industry:  Inline static mixers find applications in the petrochemical sector for blending different hydrocarbons, additives, and chemicals in the production of fuels, lubricants, and other petroleum products. They aid in achieving proper mixing for product consistency.

HVAC Systems:  Inline static mixers can be integrated into heating, ventilation, and air conditioning (HVAC) systems to homogenize airflows or gas streams, ensuring uniform distribution of temperature, humidity, or ventilation within buildings or industrial spaces.

Cosmetics and Personal Care Products:  In the cosmetics industry, stock inline static mixers are employed for blending various ingredients like fragrances, colors, and emulsions to create skincare products, perfumes, hair care products, and other personal care items. They help maintain product consistency and quality.

Biotechnology and Bioengineering:  Inline static mixers are used in biotechnological applications for mixing nutrients, culture media, and cells in bioreactors and fermenters for processes such as cell culture, fermentation, and bioprocessing. They aid in optimizing growth conditions and product yield.

Environmental Engineering:  Inline static mixers are applied in environmental engineering projects for mixing chemicals in industrial wastewater treatment, air pollution control systems, and soil remediation processes. They assist in achieving effective treatment and pollution control.

Mining and Mineral Processing:  Inline static mixers play a role in the mining industry for blending ore slurries, flotation reagents, and chemical solutions in mineral processing operations to enhance mineral recovery and separation efficiency.

In summary, stock inline static mixers are versatile mixing devices that find extensive use in a wide range of industries and applications where efficient and uniform blending of fluids is essential for various manufacturing, treatment, and processing processes.




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