What type of valve is shaped to hold a cylindrical or tapered plug?

A valve that is specifically shaped to hold a cylindrical or tapered plug is known as a plug valve. This design allows for a rotating plug to control the flow of fluid through the valve. When the plug is turned, it either allows for full flow, partial flow, or completely shuts off the flow depending on the alignment of the plug with the pipeline.

The cylindrical or tapered shape of the plug fits into a matching port within the valve body, providing a reliable means of sealing and controlling flow. Plug valves are often used in applications where quick and reliable shut-off is necessary, as their design allows for an effective seal with minimal leakage.

In contrast, other valve types such as globe, butterfly, and gate valves function differently. Globe valves have a spherical body with an internal baffle that regulates flow, while butterfly valves utilize a rotating disc to manage flow through the valve. Gate valves, on the other hand, use a sliding gate mechanism and are primarily designed for on/off service rather than flow regulation. Each of these valve types has unique characteristics that make them suitable for specific applications, highlighting the importance of selecting the right type based on the desired flow control function.