Choosing the right size butterfly valve is critical to ensuring smooth flow control and system efficiency. Our extensive collection is organised to help you quickly find the valve size that matches your application — whether it's a small 2" valve for compact systems or a robust 24" model for heavy-duty industrial use.From wafer and lugged styles to double flanged and high-performance designs, each size category includes a range of material and disc-seat combinations to suit different pressures, temperatures, and media types. Our size filter makes selection simple, helping you save time and avoid compatibility issues.

Key features and benefits.

Key Features

TTV butterfly valves are available in sizes from 2” to over 48”, catering to both compact systems and large-scale industrial pipelines. This ensures flexibility across a variety of flow requirements and installation needs.

Key Features

Choose from a variety of body materials, including cast iron, stainless steel, and carbon steel, paired with disc options like aluminium bronze or duplex. This allows for optimal performance across different pressures, temperatures, and media.

Key Features

Easily find the exact valve size you need with our clear size-based categorisation. Many of our most popular sizes are in stock and ready for same-day dispatch to keep your project moving.

Our 3-inch butterfly valves are a popular choice for medium-flow applications, offering reliable shut-off and control in compact pipelines. They are widely used across industries such as HVAC, water treatment, chemical processing, and general industrial systems.

These valves can be manufactured from a range of materials to suit your specific media and environment. Body materials include cast iron, ductile iron, stainless steel, and carbon steel, while disc options range from aluminium bronze to duplex stainless. Seat materials like EPDM, NBR, PTFE, and Viton are also available to handle varying temperatures, pressures, and chemical compatibility.

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4 inch butterfly valves are one of the most commonly used sizes for medium-flow systems across industrial, commercial, and HVAC applications. They offer a reliable balance between flow capacity and space efficiency, making them a popular choice for a wide range of installations.

These valves can be manufactured from a variety of materials to suit different operating environments. Common options include cast iron for general use, ductile iron for added strength, stainless steel for corrosion resistance, and carbon steel for high-pressure systems. Disc and seat combinations such as EPDM, NBR, PTFE, or aluminium bronze allow further customisation based on media type and temperature range.

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Our 5 inch butterfly valves offer a reliable and compact solution for medium-flow applications across various industries. These valves can be manufactured from a wide range of materials, including ductile iron, stainless steel, carbon steel, and aluminium bronze, to suit different media and environments. Whether you require corrosion resistance for chemical processing or strength for high-pressure water systems, the 5” size strikes a balance between flow control and installation flexibility. Options are available in wafer, lugged, or double flanged designs, with seat materials tailored to temperature, pressure, and compatibility requirements.

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Our 6 inch butterfly valves are a popular choice for medium-to-large scale flow control systems, offering reliable shut-off and throttling performance. These valves are commonly used in water treatment, HVAC, chemical processing, and industrial applications where a balance of flow capacity and control is essential.

Available in a wide range of materials to suit different media and environments, including cast iron, ductile iron, stainless steel, carbon steel, and aluminium bronze. Seat and disc options such as EPDM, NBR, PTFE, and metal-seated designs provide compatibility with a broad spectrum of temperatures, pressures, and fluid types.

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Our 8 inch butterfly valves are a reliable choice for medium to large flow applications, offering excellent shut-off and flow control capabilities. Commonly used in water treatment, HVAC, process systems, and industrial pipelines, they strike the perfect balance between compact size and strong performance.

These valves can be manufactured from a wide range of materials such as ductile iron, stainless steel, carbon steel, aluminium bronze, and super duplex—each suited to different pressures, temperatures, and media types. Seat and disc combinations are also available to match your specific application, including options like EPDM, NBR, PTFE, and silicone.

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Depednding on the butterfly valve type valves can require gaskets to create a tight seal and prevent leaks in the system. Gaskets are not requried for rubber lined butterfly valves as the rubber provides this function.

Butterfly valves act as a rotating disc within the valve body and pipeline to control the flow of fluid or gas. This simple yet efficient design allows for quick on/off functionality and precise flow modulation.

Butterfly valves are typically installed by bolting them between two pipe flanges. Proper alignment and torque are essential during installation to ensure leak-free operation. Guide lugs assist with installation as well as threaded fully lugged designs.

Butterfly Valves are used to control fluids, including water, air, gases, and corrosive chemicals. Their wide range of applications suit industries including HVAC, Water Treatamnet, Food & Beverage, Chemical or Oil & Gas.

A double-offset butterfly valve features two distinct offsets in the design to reduce wear and improve sealing performance. Double offset butterfly valves are ideal for high-pressure and high-temperature applications. Redcued actuation cost is provided by lower torque values.

A triple-offset butterfly valve incorporates three offsets to further minimize leakage, making it suitable for critical applications where tight shut-off is essential, such as in the oil and gas industry. Torque and actuation costs are again reduced.

Butterfly valves are an excellent for flow regulation due to their ability to precisely modulate flow rates and medium. They provide efficient control in systems where throttling is required. 4-20mA positioners can be added to build assemblies.

Yes, butterfly valves are suitable for throttling. The degree at which they are throttled should be within the manufacturers specified limits to prevent excessive wear and maintain performance and sealing abilities.

Butterfly valves usually have a flow direction which will be indicated by an arrow on the valve body. Correct installation ensures optimal performance and prevents flow reversal issues. Bi-directional valves are also available without arrow markings.

Advantages of butterfly valves include a compact design, lightweight construction, and cost-effectiveness compared to ball valves and gate valves. They also require minimal maintenance and offer reliable shut off performance.

When comparing butterfly valves to gate valves, factors for considerations can be application, cost, and space / weight constraints. Butterfly valves excel in applications where space-saving and efficient flow control are crucial.

The lifespan of butterfly valves varies depending on factors such as material compatibilty, usage conditions, and proper maintenance schedules. Follwoing manufacturers O&M manuals valves and seals can last for many years.

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