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Types of Eccentric Plug Valve and Their Uses

Eccentric Plug Valve

In industrial operations and manufacturing, every machine or system component plays a vital role, whether large or small. Eccentric plug valves are no exception. These valves are one of the essential components in the industrial pipeline system. They control the flow of fluids and gases at various pressure levels. This blog post will discuss the different types of eccentric plug valves and their uses in various industries and applications.

Lubricated Eccentric Plug Valve

Lubricated eccentric plug valves are primarily used for fluid control in pipelines. Their unique design helps reduce the friction between the plug and the valve body. This feature of these valves protects the seals from damage that may result from constant wear and tear. The lubrication of the plug prevents corrosion and ensures smooth flow control. Lubricated eccentric plug valves are suitable for applications in the chemical, petrochemical, and industrial gas industries.

Non-Lubricated Eccentric Plug Valve

Non-lubricated eccentric plug valves do not require any lubrication for their operation. They function by eccentric plug rotation and are no more efficient than lubricated versions. These types of eccentric plug valves are cost-effective as they reduce the amount of maintenance required. They are also commonly used in the water treatment and wastewater industries.

Sleeved Eccentric Plug Valve

Sleeved eccentric plug valves are high-performance valves commonly used in the pulp and paper industries. These valves have a rubber sleeve that lines the valve body and plug. This feature of these valves protects them from any abrasive materials or corrosive substances flowing through the system. The sleeve is easily replaceable, which significantly reduces maintenance costs.

Flanged Eccentric Plug Valve

Flanged eccentric plug valves are highly durable and are typically used in high-pressure applications such as the oil, gas, and petrochemical industries. Their unique feature allows them to withstand high pressure and temperature fluctuations, making them essential components in hazardous environments. Flanged eccentric plug valves have two or more flanges that fit with the valve body to create a tight seal. These flanges reduce the likelihood of leaks and enhance the valve’s performance.

High-Temperature Eccentric Plug Valve

High-temperature eccentric plug valves are designed to operate under high-temperature conditions. These industrial valves can withstand harsh environmental and operational conditions, making them crucial components in chemical, petrochemical, and oil and gas industries. High-temperature eccentric plug valves’ unique design enhances their performance and longevity in severe application environments. They are suitable for high-pressure applications and are a great fit for power generation, nuclear power, and chemical processing applications.


In conclusion, eccentric plug valves are essential components in various industrial applications. Each type of eccentric plug valve has unique features that suit specific industrial environments. Lubricated, non-lubricated, sleeved, flanged, and high-temperature eccentric plug valves are the most common types available. Therefore, when choosing an eccentric plug valve, it is essential to consider the application environment and the valve’s specifications to ensure maximum performance and longevity.

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