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Butterfly Valves
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Butterfly valves offer a reliable and efficient solution for numerous applications, including chemical processing, marine engineering, food and beverage production, and water treatment. Renowned for their compact design, low maintenance, and precise control, these valves provide exceptional value and versatility.
Our comprehensive range encompasses various types of butterfly valve, such as wafer, lugged, double-flanged, and high-performance models, all customisable to meet specific needs.
We stock a wide selection of 2" to 12" from reputable brands like Albion and Georg Fischer, and can also source larger diameter or customised valves from a variety of manufacturers. These valves can be operated manually or actuated with electric or pneumatic actuators.
Material selection is a critical factor in butterfly valve performance. The choice of materials depends on the specific application, considering factors such as corrosion resistance, temperature tolerance, and pressure rating. Common materials include cast iron, ductile iron and stainless steel. Regular maintenance and inspection are essential to ensure optimal valve performance and longevity.
Double-offset butterfly valves feature a unique design with two distinct offsets. This innovative design significantly reduces friction and wear, leading to improved sealing performance and extended valve life. Additionally, the lower torque requirements of double-offset valves result in reduced actuation energy consumption, making them ideal for high-cycle applications.
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FAQs for Butterfly Valves
A butterfly valve is used when space is limited due to their narrow design. Butterfly valves use a disc which can either stop, regulate or start flow. They are commonly used in a variety of applications such as:
- Food and beverage processing.
- Water and wastewater.
- Oil and gas pipelines.
What are the disadvantages of butterfly valves?
One of the main drawbacks to butterfly valves is they have limited throttling due to the disc always partially obstructing the flow even when fully open which can cause drops in pressure. This therefore limits their throttling ability when compared to other valves such as globe and ball valves.
Due to butterfly valves' lightweight design this makes them unsuitable for higher pressure and temperature applications as it can lead to valve warping or seal failure. For applications that require a valve to handle higher pressures and temperatures we would recommend using a gate or globe valve.
When installed and maintained properly butterfly valves offer good reliability and are a lightweight and inexpensive solution. However it’s important to understand their limitations and to choose alternative options if you require a valve to handle high temperatures and pressures, high-precision flow or handling sensitive materials. For these options we would recommend:
- Gate valves for high temperatures and pressures.
- Check valves for handling sensitive materials.
- Globe valves for high-precision flow.
If you’re unsure which valve is right for you, get in touch and a member of our team will be happy to help.