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Eccentric Plug Valve

South American Valve is a leading eccentric plug valve manufacturer in Mexico. An eccentric plug valve is a type of plug valve that features an eccentrically mounted plug that provides unique operational characteristics and improved sealing capabilities. It is commonly used in various industries, including water treatment, wastewater management, and chemical processing. The body of an eccentric plug valve is typically made of cast iron, ductile iron, or other suitable materials. It provides the main housing for the valve components and is designed to withstand the operating pressures and temperatures.

South American Valve is a leading eccentric plug valve manufacturer in Mexico. Eccentric plug valves offer advantages such as reliable sealing, low torque operation, and reduced friction and wear. The eccentrically mounted plug allows for a non-scraping and non-wedging operation, which minimizes the potential for plug damage and seat wear. These valves are suitable for applications that involve abrasive or viscous fluids, as well as slurries, where a tight shut-off is required.


  •       Body
  •       Plug
  •       Seat
  •       Stem
  •       Actuator


  • Water and Wastewater Treatment: Eccentric plug valves are commonly employed in water treatment plants and wastewater management systems. They are used for regulating the flow of water, sludge, and various chemicals involved in the treatment process.
  • Oil and Gas: Eccentric plug valves are utilized in the oil and gas industry for controlling the flow of crude oil, natural gas, and refined products. They are often employed in pipelines, refineries, and storage facilities, where their reliable shut-off capability and resistance to erosive media are advantageous.
  • Chemical Processing: Eccentric plug valves are well-suited for handling a wide range of chemicals and corrosive fluids in chemical processing plants. They provide effective control and shut-off in applications involving acids, alkalis, solvents, and other aggressive substances.
  • Power Generation: Eccentric plug valves are used in power plants for controlling the flow of water, steam, and various fluids in power generation processes. They are commonly found in boiler feedwater systems, cooling water circuits, and other utility lines.
  • Pulp and Paper: In the pulp and paper industry, eccentric plug valves are utilized for regulating the flow of various fluids such as pulp slurry, chemicals, and wastewater. Their ability to handle abrasive slurries and maintain tight sealing makes them suitable for critical applications within paper mills.
  • Mining and Minerals: Eccentric plug valves are employed in mining and mineral processing operations where slurry handling is required. They can handle abrasive materials and maintain reliable shut-off, making them ideal for applications in ore processing, tailings management, and dewatering systems.
  • HVAC and Building Services: Eccentric plug valves are utilized in heating, ventilation, and air conditioning (HVAC) systems, as well as building service applications. They provide precise control of flow in chilled water lines, heating systems, and other HVAC installations.


  • Reliable Sealing: Eccentric plug valves provide reliable sealing due to the eccentrically mounted plug design. The offset positioning of the plug ensures a tight seal against the seat, minimizing the potential for leakage and providing excellent shut-off capabilities.
  • Low Torque Operation: The eccentric design of the plug reduces friction during operation, resulting in low torque requirements. This enables easy and smooth valve operation, even in high-pressure or high-flow conditions.
  • Excellent Flow Control: Eccentric plug valves offer precise flow control capabilities. The eccentric rotation of the plug provides a linear and predictable flow characteristic, allowing for accurate modulation and throttling of fluid flow.
  • Resistance to Erosion and Cavitation: Eccentric plug valves are resistant to erosion and cavitation due to the robust materials used in construction, such as cast iron, ductile iron, or corrosion-resistant alloys. This makes them suitable for handling fluids with high velocities or containing abrasive particles.
  • Versatile Application Range: Eccentric plug valves can be used with a wide range of fluids, including liquids, gases, slurries, and corrosive substances. Their versatility allows for application in various industries, including water and wastewater treatment, oil and gas, chemical processing, power generation, and more.
  • Reduced Maintenance: The self-lubricating design of eccentric plug valves reduces the need for external lubrication and maintenance. This results in lower maintenance requirements, less downtime, and reduced costs associated with servicing and re-lubrication.
  • Enhanced Durability: Eccentric plug valves are designed to withstand demanding operating conditions. They are often constructed with durable materials and have wear-resistant seats, plug surfaces, and bearings, ensuring long service life and reduced maintenance intervals.
  • Easy Installation and Maintenance: Eccentric plug valves are typically compact and lightweight, allowing for easier installation and integration into piping systems. Additionally, their simple design and fewer internal parts make maintenance and repairs more straightforward.
  • Bubble-Tight Shut-Off: Eccentric plug valves offer bubble-tight shut-off, minimizing fugitive emissions and ensuring environmental compliance. The reliable sealing capability of these valves helps prevent fluid leakage, enhancing safety and reducing environmental risks.
  • Cost-Effective Solution: Eccentric plug valves provide an economical solution for fluid control applications. Their long service life, low maintenance requirements, and efficient operation contribute to overall cost savings over the lifecycle of the valve.


  • Material: Carbon Steel, Iron, Duplex Steel, CF8, CF8M, WCB, CF3, CF3M, WC6, Ductile iron, WCC, LCB, LCC, SS304, SS316, Alloy 20
  • Class: 150 to 2500.
  • Pressure: PN10 to PN450.
  • Nominal Size: ½” to 24”
  • Ends: Flanged, Threaded, Socket weld, Buttweld
  • Operations – Gear operated, Electric actuated , Pneumatic actuated, Lever operated