Plug Valve:

It is a type of quarter-turn valve that uses a cylindrical or tapered plug with a through hole to control the flow of fluid through the valve. The plug can be rotated within the valve body to either allow or block the flow of fluid. When the plug is positioned perpendicular to the flow direction, the valve is closed, and when it is aligned with the flow direction, the valve is open. These valves  are commonly used in various industries for applications requiring quick and reliable shutoff or flow control. They are known for their simple design, ease of operation, and ability to handle a wide range of fluids and pressures. They can be constructed from various materials, including metal and composite materials, to suit different operating conditions and fluid compatibility requirements.

Types of Plug Valve:

• Lubricated Plug Valve: Uses lubrication for smooth operation.
• Non-lubricated Plug Valve: Operates without external lubrication.
• Eccentric Plug Valve: Features an eccentrically mounted plug for tight sealing.
• Sleeved Plug Valve: Utilizes a flexible sleeve for enhanced sealing.
• Expanding Plug Valve: Plug expands against the body for a tight seal.
• High-Pressure Plug Valve: Designed for high-pressure applications.
• Multi-port Plug Valve: Has multiple ports for versatile flow control.
• Connection Plug Valve: Features special end connections for easy installation.
• Orbit Plug Valve: Plug orbits around the seat for sealing.
• Twin Seal Plug Valve: Incorporates dual sealing mechanisms for reliability.

Uses:

Plug valves are utilized in a variety of industrial applications due to their versatility, reliability, and ability to provide efficient flow control. Some common applications include:

• Flow Regulation: Frequently employed to regulate the flow of fluids in pipelines, allowing operators to adjust flow rates as needed.
• Shutoff Valves: Due to their ability to provide tight sealing, commonly used as shutoff valves to completely stop the flow of fluids in pipelines during maintenance or emergencies.
• Process Control: Utilized in process control systems to precisely control the flow of fluids in chemical processing plants, refineries, and other industrial facilities.
• Slurry Handling: Suitable for handling abrasive fluids, slurries, and viscous materials, making them ideal for applications in mining, wastewater treatment, and pulp and paper industries.
• Petrochemical Industry: These valves are widely used in the petrochemical industry for applications such as handling crude oil, natural gas, and petroleum products.
• Water Treatment: They play a vital role in water treatment processes, including filtration, disinfection, and distribution, where they help regulate the flow of water and chemicals.

Description:

• Body material: Duplex steel, Super duplex Steel (F51,F53,F55) , Cast iron, Ductile Iron, Cast Carbon (WCC,WCB, WC6),Stainless Steel [SS316, SS304, SS316L, SS904L, CF8, CF8M,F31L, F91].
• Class: 150-2500; PN 10 – PN 450
• Size: 1/2”- 48”.
• Operations: Lever actuated, electric actuated, pneumatic actuated, gear actuated
• Ends: Flanged, butt weld, socket weld, threaded