From oil and gas to pharmaceuticals, valves are essential for controlling the flow of liquids and gases in a variety of industries. With so many different types of valves available, it can be difficult to know which one is best for your needs. In this guide, we will take a closer look at three common types of valves: PFA lined valves, sleeved plug valves, and butterfly valves, as well as two other popular types: ball valves and globe valves.
PFA Lined Valves
PFA lined valves are designed to provide excellent resistance to corrosion and are ideal for use in industries that require high purity levels, such as pharmaceuticals and semiconductor manufacturing. PFA is a type of fluoropolymer that has similar properties to Teflon. The lining protects the valve body from corrosion, while the PFA material provides a smooth surface that prevents buildup and contamination. These valves are typically used in applications where high temperatures and pressures are present.
Sleeved Plug Valves
Sleeved plug valves, also known as eccentric plug valves, are designed to provide reliable and consistent shutoff, even in harsh environments. These valves are typically used in industries such as chemical processing and oil and gas, where abrasive materials and harsh chemicals are present. The valve is composed of a tapered plug that rotates within a rubber sleeve, providing excellent sealing capabilities. The eccentric design of the plug ensures that any solids in the flow path are pushed aside, preventing clogging and damage to the valve.
Butterfly valves are a popular choice for applications that require fast shutoff and excellent flow control. These valves consist of a circular disc that rotates within the valve body, allowing for quick and precise regulation of flow. Butterfly valves are typically used in industries such as water treatment, HVAC, and chemical processing. One of the advantages of butterfly valves is that they are lightweight and require less space than other types of valves.
Ball valves are a versatile type of valve that can be used in a range of applications. These valves consist of a ball with a hole through the centre that rotates within the valve body. When the ball is turned 90 degrees, the flow is shut off. Ball valves are typically used in industries such as oil and gas, chemical processing, and water treatment. One of the advantages of ball valves is that they are easy to operate and require minimal maintenance.
Globe valves are designed to provide precise flow control and are commonly used in applications that require accurate regulation of flow rate. These valves consist of a movable disc that controls the flow of fluid through the valve body. Globe valves are typically used in industries such as HVAC, water treatment, and steam systems. One of the advantages of globe valves is that they can be adjusted to provide precise flow control, making them an ideal choice for applications that require precise regulation.
To sum up, selecting the right kind of valve for your application is crucial for guaranteeing dependable and consistent performance. For usage in industries that demand high purity standards and corrosion resistance, PFA lined valves are optimal. Even in harsh environments, sleeved plug valves offer constant and dependable shutoff. For applications that demand prompt shutoff and exact flow control, butterfly valves are a great option. In contrast to globe valves, which offer precise flow control, ball valves are adaptable and simple to use. You can select the ideal valve for your needs by being informed about the various types of valves that are available and their distinctive characteristics.
Choosing the Right Valve – A Complete Guide by Idex India
by Himanshu Bhatnagar | Feb 28, 2023 | Valves