What is a Non-Lubricated Plug Valve? Uses and Working
Imagine a world where industrial processes run smoothly without the constant need for maintenance and the risk of contamination. Non-lubricated…
Imagine a valve that can effortlessly control the flow of fluids, even in the most challenging environments where abrasiveness and corrosion are common. Enter the lubricated plug valve, a marvel of engineering designed to offer smooth operation and reliable performance under high-pressure conditions. Whether you’re dealing with polluted upstream applications, gas pipelines, or wastewater management, this specialized valve stands out for its ability to handle slightly abrasive particles and maintain a tight seal, thanks to its unique lubrication system.
In this article, we’ll delve into the intricacies of lubricated plug valves, exploring their key components, working mechanism, and the role of lubrication in ensuring their efficiency. We’ll also discuss the various applications where these valves excel, from high-pressure systems to specialized industries like pulp and paper, mining, and metal works. Additionally, we’ll highlight the benefits that make lubricated plug valves a preferred choice, such as reduced friction, corrosion protection, and ease of maintenance.
By the end of this read, you’ll have a comprehensive understanding of how lubricated plug valves operate and why they are indispensable in certain industrial settings. So, let’s get started on this journey to uncover the inner workings and advantages of lubricated plug valves.
The plug and valve body are crucial parts of a lubricated plug valve. The valve body, typically made from durable materials like cast iron, stainless steel, or alloy steel, serves as the main structure housing the plug and connecting to the piping system. Designed to withstand high pressures and harsh environments, the body ensures the valve’s integrity and reliability.
The plug, which can be either cylindrical or conical, rotates within the valve to control fluid flow. It has a central cavity closed at the bottom and a sealant injection fitting at the top for lubricant injection, reducing friction and enhancing the seal. This design allows for the easy distribution of lubricant, which is essential for smooth operation and longevity.
The sealant injection fitting allows lubricant to be evenly distributed across the plug’s surface, creating a tight seal and making the valve easier to operate. By maintaining a layer of lubricant between the plug and the valve body, this fitting helps to minimize wear and tear, prolonging the valve’s service life.
The lubrication system is essential for the efficient operation of a lubricated plug valve, involving the injection of a specialized lubricant to reduce friction, ensure a tight seal, and protect valve components from corrosion.
The lubricant is a mix of base oil and viscosity improvers, such as amorphous or fumed silica, designed to withstand high pressures and temperatures. This composition provides consistent lubrication across a wide range of operating conditions.
Lubricant is injected into the plug cavity under pressure, flowing through the sealant fitting and radial holes in the plug, then into the lubricating grooves to ensure even distribution. This process ensures that the lubricant reaches all critical areas, maintaining a smooth operation and a reliable seal.
These grooves hold and distribute the lubricant, ensuring continuous contact with the plug and valve body surfaces for smooth operation and reduced wear. The grooves are crucial for maintaining the integrity of the seal and reducing the force required to operate the valve.
The valve operates by rotating the plug to control fluid flow. In the open position, the plug’s hollow passages align with the inlet and outlet ports, allowing fluid to flow freely. To stop the fluid, the plug is rotated to the closed position, blocking the flow path. The stem and actuator facilitate this rotation.
When open, the plug’s hollow passages align with the pipe’s ports, ensuring minimal resistance and efficient fluid flow. This precise alignment is critical for the valve’s performance and reliability.
In the closed position, the plug sits perpendicular to the pipe, effectively blocking fluid flow and ensuring a tight seal with the help of lubricant. This position ensures that the valve can reliably stop the flow of fluid, providing a secure and leak-free operation.
The design of the plug and valve body in a lubricated plug valve is crucial to its functionality and efficiency. These components work together to control the flow of fluids through the valve, ensuring smooth operation and reliable performance.
The plug can be cylindrical or conical and rotates within the valve body to control fluid flow. It features a central cavity that is closed at the bottom and includes a sealant injection fitting at the top, allowing lubricant to be injected. The plug also has small channels or grooves that facilitate the even distribution of the lubricant along its surface, sealing gaps and preventing leaks. This design is essential for maintaining a tight seal and ensuring the longevity of the valve.
The valve body is typically made from robust materials like cast iron, stainless steel, or alloy steel. It houses the plug, connects to the piping system, and is designed to work with the lubricant to ensure low friction and high sealing performance. The precise construction ensures the plug rotates smoothly and aligns correctly with the ports for efficient fluid flow.
The sealant injection fitting is crucial for periodically injecting lubricant into the plug cavity. This fitting ensures that the lubricant is evenly distributed across the plug’s surface, creating a renewable seal that minimizes wear and tear. Regular injection of lubricant is essential for maintaining the smooth operation of the valve and preventing internal leakage.
The lubrication system reduces friction and ensures a tight seal between the plug and valve body. The lubricant, usually a mix of base oil and viscosity improvers, is injected through the sealant fitting into the plug cavity, then flows through radial holes into the lubricating grooves on the plug. This lubricant forms an impervious seal under pressure, enhancing the valve’s sealing performance and protecting the metal surfaces from corrosion. Regular maintenance and replenishment of the lubricant are essential for the valve’s continued performance and reliability.
The design of the plug and valve body offers several benefits:
These design features make lubricated plug valves ideal for applications requiring high sealing integrity, such as those involving high pressures or corrosive media.
The lubricant used in plug valves is specially formulated to ensure optimal performance under various operational conditions. It typically consists of a base oil, which can be either mineral or synthetic, combined with viscosity improvers. These viscosity improvers, like amorphous or fumed silica, help the lubricant stay effective in different environments, ensuring consistent lubrication and sealing performance.
The lubricant is injected under pressure into a cavity within the plug, which runs along its axis and is sealed at the bottom to prevent leaks. At the top of the cavity, a fitting allows for the lubricant to be injected. As the lubricant is introduced, it flows through radial openings in the plug, ensuring that all necessary areas within the valve are properly lubricated.
Specially designed lubricating grooves within the plug play a crucial role in distributing the lubricant evenly across the plug’s seating surface. These grooves ensure the lubricant is evenly distributed, reducing friction and maintaining a tight seal. This even distribution is essential for minimizing wear and ensuring reliable operation.
The lubrication system operates through several key steps:
The lubrication system offers several benefits:
Regular maintenance, including reapplying the lubricant, is essential for the valve’s performance. It is important to choose a lubricant that is compatible with the fluid being transported to avoid contamination. Proper maintenance ensures the valve remains in good working condition and continues to provide reliable and efficient fluid control.
Lubricated plug valves operate in a simple yet highly effective manner. When the valve is open, the plug’s hollow passageways align with the inlet and outlet ports, allowing fluid to flow freely. To stop the flow, the plug is rotated so its solid part blocks the passageways, sealing off the flow path.
During the transition from open to closed, the plug partially obstructs the flow, helping to control the flow rate and pressure.
The lubricant in a plug valve serves multiple critical functions, ensuring the valve operates smoothly and reliably.
The lubricant forms a renewable seal between the plug and valve body, minimizing internal leakage. It also reduces friction, making the valve easier to operate.
The lubricant protects against corrosion by coating the valve’s metal surfaces, extending its lifespan. It not only prevents corrosion but also reduces wear by minimizing metal-to-metal contact, ensuring the valve’s durability.
Lubrication ensures smooth valve operation, reducing the effort needed to open or close it. It also maintains a tight seal, preventing leaks.
Lubrication protects against corrosion, extending the valve’s service life, especially in corrosive or abrasive fluid applications.
In summary, lubricated plug valves control fluid flow through the precise rotation of a lubricated plug. The lubricant reduces friction, creates a renewable seal, protects against corrosion, and ensures smooth operation, making these valves effective for various high-pressure, high-temperature, or abrasive applications.
Lubricated plug valves control fluid flow by rotating a plug within the valve body to either align or block passageways. When the valve is open, the plug’s hollow passageways align with the inlet and outlet ports, allowing fluid to flow freely. In the closed position, the plug rotates 90 degrees to block the passageways, effectively stopping the flow and creating a tight seal with the help of injected sealant.
The precise alignment of the plug’s hollow passageways with the valve ports is essential for efficient fluid control. When aligned, fluid flows with minimal turbulence and pressure drop. During the transition between open and closed positions, the plug partially obstructs the flow, allowing for controlled adjustment of flow rate and pressure. The lubricant ensures smooth rotation, reducing wear on valve components.
The lubricant injected into the plug cavity serves multiple purposes. It creates a renewable seal between the plug and the valve body, preventing internal leakage and maintaining valve integrity under various conditions. Additionally, the lubricant reduces the actuating force required to operate the valve by minimizing friction. This reduction is particularly beneficial in high-pressure applications. The lubricant also acts as a protective barrier against corrosion, extending the valve’s lifespan even in harsh environments.
Lubricated plug valves offer smooth operation, enhanced sealing, and long-term reliability, making them ideal for demanding applications. The lubrication system ensures effortless rotation of the plug, preventing it from becoming stuck and facilitating quick and reliable control of fluid flow. The renewable seal provided by the lubricant prevents internal leakage, maintaining efficiency and safety. Furthermore, the corrosion protection afforded by the lubricant ensures durability in challenging environments.
Regular maintenance, such as replenishing the lubricant, ensures the valve’s optimal performance and longevity. Despite the need for periodic upkeep, the benefits of smooth operation, enhanced sealing, and corrosion protection make lubricated plug valves a preferred choice in many industrial applications.
The lubricant in a lubricated plug valve is crucial for creating a renewable seal between the plug and the valve body, preventing internal leakage and maintaining valve integrity. It is injected under pressure, filling any gaps that might allow fluid or gas to escape. This continuous renewal of the seal ensures that the valve remains leak-tight throughout its operation, providing reliable performance even in demanding applications.
The lubricant reduces friction between the plug and the valve body, making it easier to rotate the plug and decreasing the force needed to operate the valve. This reduction in friction not only facilitates smoother operation but also decreases the actuating force required to open or close the valve, which is particularly beneficial in high-pressure applications.
The lubricant also acts as a barrier against corrosion, protecting the metal surfaces of the plug and valve body. This protection is crucial for extending the valve’s lifespan, especially in corrosive environments. By coating the metal surfaces, the lubricant prevents corrosive elements from coming into direct contact with the metal, ensuring that the valve remains in good working condition and reducing the frequency of maintenance and replacement.
Furthermore, the lubricant prevents sediment from getting trapped between the plug and valve body, avoiding blockages and damage. By keeping the internal components free from debris, the lubricant helps maintain smooth operation and longevity.
The lubricant provides hydraulic assistance during valve operation, creating a force that helps lift the plug slightly from the seat. This assistance reduces wear and tear on the valve components and ensures consistent performance over time, which is advantageous in applications requiring frequent operation.
Choosing the right lubricant is essential for the valve’s optimal performance. The lubricant must be compatible with the transported fluid or gas to avoid contamination and ensure effective sealing. Incorrect lubricant selection can damage the seal, leading to leaks and reduced valve performance. Therefore, careful consideration of the lubricant’s properties is crucial for maintaining the efficiency and reliability of the valve.
Lubricated plug valves are especially effective for managing fluids with slightly abrasive particles. These valves are often used where the media can wear out standard valves. Some typical uses include:
Lubricated plug valves are built for high-pressure environments, making them ideal for demanding applications. They can handle pressures exceeding 2500 psi, providing reliable performance in systems where pressure integrity is crucial. Common high-pressure applications include:
Various specialized industries use lubricated plug valves for their robust design and reliability. Some notable industries include:
Lubricated plug valves are excellent for precise flow control and isolation, providing a tight seal and preventing contamination. They are ideal for:
Although these valves need regular lubrication, their benefits usually outweigh the maintenance. Key operational advantages include:
These features make lubricated plug valves a preferred choice in many industrial applications, providing reliable performance and ease of maintenance in challenging environments.
Lubricated plug valves are excellent for handling fluids with abrasive particles, dirt, or other contaminants. Their design and function make them particularly suitable for challenging environments where other valves might wear out quickly.
The lubricant helps keep abrasive particles out of the plug cavity. The lubricant forms a protective film that reduces contact between valve parts and abrasive media. This helps prevent damage and wear, keeping the valve working longer.
In oil and gas operations, these valves handle fluids with contaminants like sand and silt. Their sturdy design and effective lubrication keep them running smoothly even with abrasive substances.
In wastewater treatment, these valves manage water mixed with solids. The lubricant prevents clogging and ensures efficient operation despite sludge and other abrasives.
These valves can handle fluids with solids, like slurries and mud, without much wear or clogging. The lubricant creates a barrier that keeps solids from building up in the valve, ensuring clear fluid flow.
These valves are especially good for handling slurries and mud in mining and drilling. Their ability to handle tough media without clogging makes them a top choice in these industries.
Using these valves in dirty media has several benefits, including extended valve life. The lubricant reduces wear, extending the valve’s life. These valves work reliably even with abrasive particles, ensuring consistent performance. The lubricant’s film reduces the need for frequent maintenance, cutting downtime and costs.
These valves are common in industries with dirty or abrasive media. Some key applications include:
By leveraging the unique design and operational benefits of lubricated plug valves, industries can effectively manage fluids with abrasive or dirty media, ensuring long-term reliability and reduced maintenance requirements.
Lubricated plug valves are built to perform reliably in high-pressure settings, handling pressures over 2500 psi (17250 kPa). These valves are specifically designed for demanding industrial applications where pressure integrity is crucial.
Constructed from high-strength materials such as cast iron, stainless steel, or alloy steel, the valve body and plug can withstand high pressures without deforming or failing. The design includes features that maintain a tight seal under extreme pressure conditions, preventing leaks and ensuring reliable operation.
These valves are versatile and can manage a wide range of fluids, making them suitable for various high-pressure applications.
Commonly used in high-pressure air and gas systems like natural gas processing and distribution, these valves ensure no leakage, maintaining system integrity and safety.
In chemical plants, these valves handle corrosive substances, with the lubricant reducing friction and forming a protective barrier against corrosion. This capability is essential for maintaining long-term reliability and performance in harsh chemical environments.
Ideal for high-pressure steam and oil applications in power generation and petrochemical industries, these valves provide precise control over fluid flow and pressure, ensuring safe and efficient operation.
The lubricant significantly reduces friction between the plug and the valve body, making it easier to operate even under high pressure and extending the valve’s lifespan by minimizing wear on the valve seats and other components.
The lubricant also protects the valve’s metal surfaces from corrosive fluids, which is particularly important in high-pressure systems where exposure to harsh chemicals can quickly degrade unprotected materials.
Maintaining a tight seal is crucial to prevent leaks and ensure efficient operation, with the lubricant creating a renewable seal that minimizes internal leakage over time.
Lubricated plug valves are essential in various high-pressure applications across different industries due to their reliability and robust performance.
In the oil and gas industry, these valves manage high-pressure fluids like crude oil, natural gas, and refined products, ensuring safe and efficient transport and processing.
Chemical plants use these valves to handle high-pressure, corrosive fluids, such as acids and alkalis. The valves’ ability to maintain a tight seal and resist corrosion makes them indispensable in these environments.
In power generation, these valves control high-pressure steam and other fluids, ensuring the safe and efficient operation of boilers, turbines, and other critical equipment.
To maintain optimal performance, these valves require regular lubrication, which depends on factors like operating pressure, temperature, and the nature of the fluid. Regular lubrication ensures that the valve continues to operate smoothly and maintains a tight seal.
Choosing a compatible lubricant is crucial to avoid contamination or damage, and it must withstand the operating conditions, including high temperatures if necessary.
These valves can be mounted horizontally or vertically, but avoid installing them with the operator underneath to prevent issues with water and sediment runoff. Firmly support the pipeline to reduce vibrations and stress on the valve, which can cause damage during operation or tightening.
By understanding these aspects of lubricated plug valves, industries can effectively utilize them in high-pressure systems, ensuring reliable performance and extended service life.
Lubricated plug valves are crucial in the pulp and paper industry, where they manage fluids with slightly abrasive particles. These valves ensure smooth operation and longevity by minimizing wear on components, making them particularly useful for handling slurry and other abrasive fluid mixtures.
In mining, lubricated plug valves handle slurries and abrasive materials effectively. Their robust design and lubrication system make them ideal for the harsh conditions of mining operations, ensuring reliable isolation and control.
Lubricated plug valves are highly effective in wastewater management. They handle dirty and abrasive fluids like sewage and sludge with minimal maintenance, ensuring reliable operation despite challenging conditions.
In the oil and gas industry, lubricated plug valves are crucial for midstream transportation and downstream processing. They are used in gas pipeline systems as bypass, blow-down, and kicker valves, effectively handling fluids with mildly abrasive particles in high-pressure and high-temperature conditions.
The petrochemical industry relies on lubricated plug valves to regulate viscous liquids and manage corrosive, abrasive materials. These valves are essential in high-pressure, high-temperature applications, maintaining tight seals and resisting corrosion to ensure operational safety and efficiency.
Though less common, lubricated plug valves are used in food processing and pharmaceutical services. They provide tight shut-off and handle slurries or suspended solids, as long as the fluids are not contaminated by the lubricant, ensuring precise flow control and system integrity.
In metalworking, lubricated plug valves manage fluids with abrasive particles. Their robust design and efficient lubrication system prevent wear and tear, making them suitable for controlling cooling, cleaning, and processing fluids.
Lubricated plug valves are designed to minimize friction between the plug and valve body by using injected lubricant. This reduction in friction significantly lowers the operating force required, facilitating smoother and more efficient valve operation. As a result, operators can easily open or close the valve, enhancing usability, especially in high-pressure situations.
These valves are highly reliable in applications where even minimal leakage is unacceptable, thanks to the lubricant forming a tight seal. The consistent sealing performance is crucial for maintaining system safety and integrity. The lubricant also protects metal surfaces from corrosion by preventing direct contact with corrosive agents, extending the valve’s lifespan. This is especially beneficial in applications with corrosive or abrasive media.
Lubricated plug valves are durable and long-lasting because the lubricant reduces wear and tear on moving parts. This makes them ideal for high-pressure and high-temperature applications. This reduction in wear extends the valve’s operational life, making them suitable for demanding industrial environments.
These valves are known for their excellent sealing performance, even under high pressure. This high sealing efficiency is essential for systems that require precise fluid flow and pressure control. The lubricant also prevents solids from entering the plug cavity, maintaining performance and preventing clogging. This feature is particularly useful in applications with particulate matter, ensuring smooth operation and reducing maintenance.
Lubricated plug valves are versatile and handle a wide range of fluids, including gases, acids, alkalis, steam, oil, and fuel. Their robust design and reliable performance make them suitable for industries like pulp and paper, mining, wastewater management, and more. This versatility ensures they meet the diverse needs of various industrial applications.
Although they require regular maintenance, lubricated plug valves are easy to re-lubricate. Injecting new lubricant is straightforward, ensuring quick and efficient maintenance. Regular re-lubrication is essential for maintaining performance, making these valves a practical choice for reliable and consistent operation.
Lubricated plug valves reduce friction between the plug and the valve body by using a lubricant. The lubricant is injected into a central cavity in the plug and flows through openings into grooves on the plug’s seating surface. This process ensures the valve operates smoothly and minimizes wear on its components.
The lubricant significantly decreases the friction between the plug and the valve body. By forming a thin film between these surfaces, the lubricant allows the plug to rotate easily, reducing the force needed to operate the valve. This reduction in friction prevents the plug from becoming trapped inside the valve body, ensuring reliable operation even in high-pressure environments.
The lubricant also acts as a protective barrier against corrosion. It coats the metal surfaces, preventing corrosive elements in the fluid from directly contacting them. This protective layer is crucial in applications where the fluid could cause significant corrosion, extending the valve’s lifespan.
The lubricant must have certain qualities to reduce friction and prevent corrosion: elasticity to maintain a consistent film, resistance to solvents and chemicals, ability to form a tight seal under pressure, and anti-corrosive properties.
Regular maintenance, including periodic re-lubrication, is crucial for the performance of lubricated plug valves. These valves are suitable for high-pressure and high-temperature services, as well as applications with abrasive particles or corrosive fluids. Regular upkeep helps prevent contamination and ensures the valve’s continued performance.
Lubricated plug valves create leak-tight seals through a carefully designed lubrication system. It starts with injecting a specialized lubricant into the plug cavity under pressure. The lubricant flows through radial holes into grooves on the plug’s seating surface. Grooves are strategically placed to ensure even distribution, forming a thin, continuous film between the plug and valve body.
The lubricant must have specific characteristics for an effective seal:
A key advantage of lubricated plug valves is that the seal can be renewed without disassembling the valve. Injecting additional lubricant restores the seal if compromised. This ensures continuous leak-tight performance, even in demanding conditions.
The lubricant aids in sealing and protects the plug and valve body from corrosion. The lubricant coats these surfaces, preventing corrosive elements in the fluid from contacting the metal, preserving the seal’s integrity, and extending the valve’s lifespan.
The lubricant provides hydraulic assistance, creating a force that lifts the plug slightly from its seat. This force reduces the effort needed to rotate the plug, making the valve easier to operate and ensuring smooth transitions between positions. This is especially beneficial in high-pressure applications where manual operation can be difficult.
The combination of a suitable lubricant, precise injection, and protective layer ensures lubricated plug valves maintain leak-tight seals efficiently. This reliability is crucial in applications where even minimal leakage is problematic, such as gas pipelines, chemical processing, and high-pressure systems. Regular maintenance, including timely lubricant replenishment, is essential to maintain performance and prolong the valve’s life.
Lubricated plug valves have multiple benefits that enhance maintenance efficiency. These valves are designed for easy maintenance, ensuring reliable performance and long life with regular upkeep.
Injecting lubricant into the valve significantly reduces friction between the plug and valve body, which lowers the operating torque and makes the valve easier to actuate. This simplifies operation and minimizes wear on valve components, extending their lifespan.
The lubrication system helps create a tight seal, reducing leakage risk and ensuring a bubble-tight shutoff. The lubricant’s renewable seal maintains the valve’s integrity over long periods, even in tough conditions.
The lubricant coats the metal surfaces, preventing corrosive elements in the fluid from contacting the metal. This protection enhances valve durability, making it suitable for harsh environments.
Despite their high performance, lubricated plug valves require regular maintenance, including careful lubricant selection, regular lubrication, and periodic inspection.
Lubrication frequency depends on pressure, temperature, and operation frequency. Regular lubrication ensures that the valve continues to operate smoothly and maintains a tight seal, preventing internal leakage.
Regularly inspecting and replacing the lubricant keeps the valve in good condition and ensures reliable fluid control.
Maintaining lubricated plug valves is straightforward and doesn’t require disassembly.
Lubricant can be quickly injected under pressure through the sealant fitting, reaching all critical areas and minimizing downtime.
Choose a lubricant compatible with the flowing medium to avoid contamination and ensure proper sealing. The lubricant must withstand operating conditions like temperature and pressure to stay effective.
In conclusion, lubricated plug valves are highly efficient in maintenance, offering reduced torque, high sealing, and corrosion protection. Regular lubrication and inspections are essential. Their easy re-lubrication and simple maintenance make them practical for various industrial uses.
Below are answers to some frequently asked questions:
A lubricated plug valve differs from other types of valves primarily due to its use of a lubricant to facilitate operation and enhance sealing. The lubricant, typically a mix of base oil and a viscosity improver, is injected into the valve under pressure. This lubricant not only reduces friction and the force needed to operate the valve but also creates a renewable seal between the plug and the valve body, minimizing internal leakage. Additionally, lubricated plug valves are designed to handle high-pressure applications and are suitable for fluids containing light abrasive particles, making them highly effective in demanding environments such as oil and gas, chemical processing, and wastewater management. The necessity for regular maintenance, including re-lubrication, is another distinctive feature that ensures their reliable performance and longevity.
The frequency of lubricant replenishment in a lubricated plug valve depends on the valve’s usage and operating conditions. For valves used 1-10 times daily, re-lubrication is recommended weekly. For those used 10-100 times daily, it should be done daily. Valves used 1-30 times monthly should be re-lubricated quarterly, and less frequently used valves can be re-lubricated twice annually. Additionally, factors such as pressure, temperature, and the type of fluid flowing through the valve can influence the re-lubrication interval, with harsher conditions necessitating more frequent maintenance.
Yes, lubricated plug valves can be used for both liquid and gas applications. Their versatile design and effective lubrication system allow them to handle a wide range of media, including air, gas, acids, water, alkalis, steam, and oil. The lubricant reduces friction, protects against corrosion, and ensures a tight seal, making these valves suitable for various industrial applications, including high-pressure and high-temperature services.
Common signs that a lubricated plug valve needs maintenance include leakage from the valve body or packing area, difficulty in operation indicating sticking or binding, and visible corrosion or erosion. Inadequate or improper lubrication can also lead to hard-to-turn valves. Additionally, malfunctions in actuators or positioners, issues with stem packing, and the presence of debris or sediment impairing performance are indicators that maintenance is required. Regular inspections and timely re-lubrication help ensure smooth operation and longevity of the valve.
Lubricated plug valves are particularly advantageous in several industries due to their ability to handle abrasive and corrosive fluids while providing a reliable, leak-tight seal. Key industries where these valves are especially beneficial include oil and gas, mining and metal works, pulp and paper, wastewater management, and midstream and downstream processing. In these sectors, the valves’ high sealing performance, reduced friction and wear, corrosion protection, and ease of operation make them ideal for managing high-pressure applications and fluids containing abrasive particles.
