• Home /
  • Mixing Valves

Mixing Valves

Mixing valves are essential components in systems requiring precise temperature regulation. By blending two fluid streams—typically hot and cold—they ensure consistent and controlled output temperatures. These valves are widely used in HVAC systems, process engineering, steam and water applications, and sanitary environments.Our range of mixing valves includes models engineered for durability, high flow rates, and dependable performance under varying pressures and temperatures. Whether you're managing process fluids in an industrial plant or maintaining safe water temperatures in commercial facilities, our solutions offer the reliability and control you need.

Key Features

Key features and benefits.
1

Key Features

Mixing valves maintain a stable outlet temperature by accurately blending hot and cold fluids. This prevents temperature fluctuations that can damage equipment or pose safety risks.
2

Key Features

Manufactured from high-quality materials like stainless steel or bronze, mixing valves are built to handle high pressures, corrosive fluids, and harsh industrial conditions. Their robust design ensures long service life with minimal maintenance.
3

Key Features

From steam and water systems to chemical and HVAC applications, mixing valves support a wide range of process requirements. Their flexibility makes them ideal for both commercial and industrial use where thermal control is critical.

3244 Type 3-Way Globe Control Valves

The 3244 Type 3-Way Globe Control Valve is engineered for efficiency, precision, and ease of maintenance. Featuring a modular construction, it delivers consistent performance across all sizes while minimizing complexity during servicing. The streamlined design requires only four key components for a complete rebuild—seat, plug, body gasket, and packing—reducing downtime and simplifying inventory management for spare parts.

With 13 finely tuned Cv coefficients in 1.6 increments, the 3244 provides exceptional flow control precision to meet diverse process demands. Constructed with matching bonnet and body materials, it ensures optimal compatibility with the media and thermal conditions present in your system. Available in sizes from ½" to 6", and supporting ANSI Classes 150 to 300, this valve can be supplied in carbon steel or stainless steel, offering excellent corrosion resistance and structural integrity. Its wide temperature range of -325°F to 842°F (-196°C to 450°C) makes it suitable for cryogenic service, thermal oil systems, steam control, and a variety of other industrial applications.

Find Out More

3253 Type Heavy Duty 3-Way Globe Control Valves

The Model 3253 is a heavy-duty 3-way globe control valve engineered for demanding industrial environments where precision, durability, and serviceability are essential. Designed with a modular four-part assembly—consisting of the seat, plug, body gasket, and packing—this valve simplifies maintenance and reduces downtime, making it a reliable solution for continuous process operations.

Built with a matching bonnet and body material, the 3253 ensures full compatibility across a wide range of media and process conditions. Offered in sizes from ½" up to 20" and across ANSI pressure classes 150 to 2500, it supports everything from moderate flow control to high-pressure, high-temperature service. With material options including carbon steel and stainless steel, and a wide operating temperature range of -325°F to 1022°F (-196°C to 550°C), this valve is ideal for applications in petrochemical, power, cryogenic, and steam systems.

Find Out More

3535 Type 3-Way Globe Control Valve for Heat Transfer Fluid

The V2001 3323 is a highly engineered 3-way globe control valve designed as part of the 3535 Type Series, specifically tailored for thermal oil service in light industrial applications. Built to perform under demanding thermal conditions, it adheres to the ANSI Class 300 pressure standard, offering both durability and performance where precise thermal regulation is required.

Available in sizes ranging from ½" to 3", the V2001 3323 can be supplied in a variety of body materials including Spheroidal Graphite Iron for cost-effective strength, Carbon Steel for higher mechanical resilience, and Stainless Steel for superior corrosion resistance in aggressive media environments. Its robust construction supports a wide temperature range of -94°F to 660°F (-70°C to 350°C), making it a reliable choice for heat transfer systems involving thermal oil.

Find Out More

3226 Type 3-Way Globe Control Valves

The SAMSON Type 3226 three-way control valve is a highly versatile solution engineered to operate as both a mixing and diverting valve, making it an ideal choice for HVAC systems where precise temperature control and fluid management are essential. Whether the application requires combining two fluid streams into one (mixing) or directing one fluid stream into two separate paths (diverting), the Type 3226 delivers reliable performance in dynamic environments.

Designed for maximum adaptability, the Type 3226 can be paired with a wide selection of actuator types, including pneumatic, electric, hydraulic, and electro-hydraulic options—all available from the SAMSON GROUP. This ensures compatibility with existing control infrastructure while offering users the flexibility to tailor valve operation to their specific process needs.

Find Out More

Mixing Valves

Mixing valves function by combining two fluid streams—typically one hot and one cold—into a single, controlled output. Inside the valve, an internal mechanism automatically adjusts the flow rates of each inlet based on the required temperature setpoint.

This balancing act ensures a consistent outlet temperature regardless of fluctuations in supply conditions. Some mixing valves operate using thermostatic elements that expand or contract with temperature changes, while others use actuated or manual control to fine-tune the blend. The result is precise thermal management that protects downstream systems, improves efficiency, and enhances safety.

Where Are Mixing Valves Used?

Mixing valves are found in a wide range of industrial, commercial, and residential systems where controlled temperature is essential. In industrial settings, they’re commonly used in steam and hot water processes, chemical blending systems, and manufacturing lines to maintain thermal consistency.

In commercial applications, you’ll find mixing valves in HVAC systems, commercial kitchens, hospitals, and public washrooms to ensure safe and comfortable water temperatures. They're also widely used in renewable energy systems, such as solar thermal heating, where variable heat sources require accurate temperature blending. Wherever there’s a need to balance temperature and flow, mixing valves play a critical role.

Why Actuation Valve?

We supply premium mixing valves from trusted manufacturers like Samson, Ari Armaturen, and more. With proven expertise and fast UK delivery, we ensure quality, reliability, and performance in every application.

Frequently Asked Questions

A mixing valve is a device that blends two fluid streams, typically hot and cold, to deliver a single fluid at a controlled temperature. It’s used to ensure safety, comfort, and process consistency across various applications.

It regulates the flow of hot and cold fluids through internal mechanisms—thermostatic, manual, or actuated—to maintain a specific outlet temperature. Adjustments are made in real-time based on temperature changes in the inlet streams.

You’ll find them in HVAC systems, steam and water processes, commercial plumbing, food and beverage production, and chemical blending. They’re essential wherever precise temperature control is needed.

Common types include thermostatic mixing valves (TMVs), motorized or actuated mixing valves, and manual mixing valves. Each type offers different levels of control and automation.

Thermostatic mixing valves automatically adjust the hot and cold balance to maintain a constant output temperature. They’re vital for preventing scalding and thermal shock, especially in public or healthcare settings.

Yes, certain mixing valves are designed specifically for steam and water blending. These are typically constructed with high-temperature materials and reinforced seals to withstand the rigours of steam service.

Consider factors such as application, flow rate, operating pressure, temperature range, and fluid type. Compatibility with your piping system and any necessary certifications (e.g. WRAS, ASSE) also matter.

They are commonly made from stainless steel, bronze, or brass for durability and corrosion resistance. The choice of material depends on the media being handled and the application environment.

Yes, periodic inspection and cleaning are recommended to ensure reliable operation. Over time, mineral buildup or wear on internal components can affect performance.

Most models are adjustable either manually or automatically. Some valves have built-in dials or actuators for fine-tuning temperature settings.

Absolutely. By delivering water or process fluids at the right temperature, mixing valves reduce energy waste and improve system efficiency.

Industries include power generation, pharmaceuticals, food and beverage, marine, HVAC, and general industrial processing. They’re essential anywhere temperature consistency is key to safety or product quality.

FAQ

Request more information or Advice

Please feel free to request information and advice using the form below or call us on 0151 547 1221

Mixing Valves