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Ball Valve or Butterfly Valve: Check out Which one fits your Pipeline?

The role of valves in controlling liquid and gas flow cannot be overstated. The ball valve and butterfly valve are 90-degree rotary valves that control the flow of liquids or gases. Durable and inexpensive, these are a good choice. We offer the best ball valve, manufacturer in India.

Additionally, they can control the flow even at high temperatures, making them reasonably efficient. Their operations are indeed pretty similar, but there are some significant differences between them.

Differentiating them is based on factors like pressure, quality, and supply pipe size. Understanding the differences between a ball valve and a butterfly valve will enable one to buy the right one for his or her needs. A comprehensive comparison of ball valves and butterfly valves can be found here.

What Is A Ball Valve?

Ball valves consist of floating balls with holes through them. Depending on the position of the hole, materials, either liquids or gases, are either partially or completely blocked from passing through the valve.

The tight seal provided by ball valves makes them ideal for applications involving gas flow. They are frequently used for liquid and gas lines with diameters less than six inches. Despite enormous pressure on the supply side, ball valves spin virtually without resistance. Some designs don’t allow for pressure dips. In most cases, ball valves can function in temperatures ranging from -30°C to 230°C. We are the leading ball valve manufacturer in India.

Types Of Ball Valves

There are various types of ball valves available in the market, each with its features. You should only purchase them from reputable manufacturers. Here are a few of them:

  • A full-port ball valve has a hole size similar to that of the pipe, thereby causing no resistance to the flow.
  • A reduced-port ball valve has a smaller hole than the pipe, creating a certain amount of flow resistance.
  • The ball of the V-port ball valve is shaped in a V shape, providing a stable flow of material.
  • Cavity-filler ball valve – When the substance inside the pipe becomes blocked, a cavity-filler ball valve extends the seats to prevent the blockage from occurring.
  • A trunnion ball valve helps the ball drift away from the seating mechanism in large-scale or high-pressure applications.

What Is A Butterfly Valve?

The butterfly valve is a lightweight valve that comes in a one- or two-piece configuration. Their design closely resembles the wings of butterflies, which is why they have been given their name. When closed, butterfly valves lie flat due to the folded inward portions that allow full flow. This one-piece arrangement consists of a disc attached to a spindle that rotates around the pipe. By rotating the disc, the valve allows or blocks gas or liquid flow.

When it comes to materials and maintenance, butterfly valves are often less expensive. In addition to being lightweight, they also open and close more quickly than ball valves. In significant projects such as sewage and water systems for municipalities, they are frequently employed. A butterfly valve is commonly used to regulate the flow of water from a body of water. When flow loss is not a concern, butterfly valves are great for managing flow and pressure. 

Aira Euro Automation is the leading butterfly valve manufacturer in India. We offer various types of industrial valves like ball valves, butterfly valves, control valves, globe valves, and many more. 

Also read, “Pressure Reducing Valve

Types Of Butterfly Valve

Butterfly valves also come in two different modules, which differ in their utility.

  • A wafer valve is used for a permanent fixture because once connected to the pipe, one cannot disconnect one side.
  • Lug valves, on the other hand, are used for a less permanent installation. As a result of this design, it is possible to detach one side of the pipe system while leaving the other intact.

 

Ball Valve vs Butterfly valve

  • Application

The ball valve seals well. They can thus be used in sensitive applications where contamination is a concern. Additionally, ball valves are ideal for gas applications, especially low-pressure ball valves.

The butterfly valves, on the other hand, take up less space in the plant; they are used in water services where media flow needs to be controlled. Since these valves are less expensive to manufacture, they are used in large-scale projects.

  • Function

Isolation is the sole purpose of ball valves. The bubble-tight cutoff of ball valves makes them popular and beneficial. As a result of the soft elastomeric seats being readily destroyed in this state, ball valves are rarely used as control valves.

When comparing ball valves and butterfly valves, butterfly valves can provide isolation and control mechanisms. They do not, however, provide a bubble-tight shutdown. To minimize friction caused by excessive velocity, the media must be slow-moving to make an excellent regulating valve.

  • Cost

Compared to ball valves, butterfly valves are relatively cheaper, but they are more expensive than butterfly valves.

  • Bore Size

A normal ball valve differs from a full-port ball valve by the diameter of the ball and hole about the standard pipe size.

  • Installation space

Butterfly valves require less space for installation compared to ball valves.

  • Ports

Butterfly valves have only two ports, whereas ball valves can have multiple ports, depending on the type and usage.

  • Structure

They have different structures when compared to one another. Butterflies come with a simple design consisting of a thin disk in a thin body, while ball valves have a more complex design. There is a hemispheric disk inside the bulky body of the disk valve.

  • Flow restriction

By causing a significant pressure drop, the butterfly valve disc slows down the flow. Ball valves, however, lose significantly less pressure than butterfly valves.

Advantages And Disadvantages Of Ball Valves and Butterfly Valves

The advantages of ball valves

Ball valves have the following advantages:

  • An entirely closed ball valve can be opened or closed with just a 90-degree rotation.
  • Once closed, they offer a tight seal, preventing the passage of the medium.
  • Flow control is accurate and dependable with ball valves.
  • Due to its hemispheric design, the restraining mechanism can withstand enormous pressures.
  • As the ball does not interfere with the movement, ball valves rarely cause pressure dips when fully open.
  • Regardless of the intensity of the inflow, a ball valve will always spin.

Advantages of Butterfly valves

  • With butterfly valves, you can open and close them completely with just a 90-degree rotation.
  • The open/close control of butterfly valves is excellent.
  • Compared to ball valves of comparable capacity, butterfly valves are less expensive.
  • The shape of these valves makes them smaller and lighter than ball valves. As a result, they can fit into small areas and intricate circuits.

Disadvantages of Ball Valves

  • Compared to butterfly valves, ball valves are somewhat more expensive.
  • In some cases, they are impractical due to their size and weight.

Disadvantages of Butterfly valves

  • The butterfly valve does not provide complete encapsulation and is prone to leaks.
  • Discs are constantly in fluid streams by design. Even though the disruption may be small, it can reduce pressure
  • A butterfly valve is not suitable for high-pressure situations due to the disc’s inability to tolerate such pressures consistently.
  • The valve may not turn over certain inflow pressure limits.

Why Choose Industrial Valve from Dombor?

Dumber manufactures several high-quality industrial valves that provide the best results. Dumber valves are distinguished by the following exceptional qualities:

  • As a result of the simple design of butterfly valves vs ball valves, minimum labor is required. Therefore, when companies purchase valves from Dombor, they do not need to worry about operational control.
  • Due to their adaptability, the valves can be used in a variety of industrial applications.
  • Because ball or butterfly valves give little or no resistance, substances flow unhindered.
  • For ease of use, Dombor’s butterfly valves are mechanized.
  • Since Dombor’s valves are compact and easy to install, butterfly valves are ideal choices since they are lighter and more compact.

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