Middleeast valve is one of the biggest Lubricated plug valve supplier in Dubai. We supply to cities like Ud AI Bayda, Sharjah, and Abu Dhabi. A lubricated plug valve is a type of valve commonly used in industrial applications to control the flow of fluids or gases. It consists of a cylindrical or conical plug with a through-hole that can be rotated within the valve body to either allow or block the flow.
The term "lubricated" refers to the presence of a lubricant or sealing compound applied to the plug and the valve body to ensure smooth operation and minimize leakage. This lubrication helps reduce friction and wear between the plug and the valve body, making it easier to operate the valve.
Lubricated plug valves are typically designed for high-pressure and high-temperature applications, where a tight seal and reliable operation are essential. The plug has a hole through it that can be aligned with the pipeline to allow the flow or rotated to block the flow. Here's a general overview of the working of a lubricated plug valve:
1)Construction: A lubricated plug valve typically consists of a body, plug, and a stem. The body houses the plug and provides the inlet and outlet connections. The plug is a cylindrical or tapered component with a hole passing through it. The stem is connected to the plug and is used to rotate the plug within the valve.
2)Lubrication: The term "lubricated" refers to the use of a lubricant to reduce friction and wear between the plug and the body. A lubricant, usually a grease or oil, is applied to the plug and the mating surfaces of the body to ensure smooth rotation and sealing.
3)Flow control: To control the flow of fluid, the plug can be rotated using the stem. When the hole in the plug aligns with the inlet and outlet ports of the valve, it allows the fluid to flow through. This position is referred to as the "open" position. By rotating the plug, the hole can be turned away from the ports, blocking the flow. This position is known as the "closed" position.
4)Sealing: In the closed position, the plug makes contact with the body, forming a seal to prevent fluid from leaking through the valve. The lubricant applied to the plug and body surfaces helps to ensure a tight seal and smooth operation.
5)Actuation: Lubricated plug valves can be actuated manually or automatically. Manual valves require an operator to rotate the stem to control the plug position. Automatic valves use pneumatic, hydraulic, or electric actuators to rotate the plug based on signals from a control system.
6)Maintenance: Periodic maintenance is required for lubricated plug valves to ensure proper functioning. This includes reapplying lubrication, inspecting and replacing worn seals, and addressing any issues with the stem or actuation mechanism.
Middleeast valve is the topmost Lubricated plug valve supplier in Dubai and are available in a range of materials, including carbon steel, stainless steel, and various alloys, to suit different applications and operating conditions. They can also be designed with various end connections, such as flanged, threaded, or welded, to facilitate easy installation and maintenance.
Parts of lubricated plug valve:
- Body
- Disk
- Bonnet
- Stem
- Plug
- Seat
- Plug Port
- Handle
- Packing Gland
- Grease Grooves
- Grease fitting
Advantages of lubricated plug valve:
- Protection of the seating against corrosion.
- The high pressure ensures that there is no trapping of solids between valve body and plug.
- Minimizing internal leakage.
- The lubricant pressure prevents solids from entering the cavity in the plug.
Industries which use them:
- Petroleum Industry
- Chemical Industry
- Chemical Fertilizer Industry
- Electric Power Industry
- Waste Water Plants
Applications of lubricated plug valve:
- Oil piping systems
- High-pressure and Extreme temperature flow systems
- Chemical servicing
- Corrosive substances processing
- High Pressure Flow lines
- Upstream Applications
- Flow Control
- Oil and Coal Slurries
Description:
Available materials: F22, CF8, CF3, CF3M, Ductile iron, WCB, WCC, WC9, WC6, Alloy 20, SS304, SS316,CF8M, SS316L, SS904L
Class: 150 to 2500, PN10 to PN450
Size:1/2” – 24”
End: Flanged, Socket weld, Butt weld, Screwed.
Operation:-Pneumatic Actuator , Electric Actuator ,Lever operator ,Gear operator.
Visit us: https://www.middleeastvalve.com/product-category/lubricated-plug-valve/