Gate Valves is another member of shut off/on valve family. What makes this unique is its disc movement is linear. The disc is either gate or wedge-shaped, which has an effective shut-off and on mechanism. Gate valve is primarily suited for isolation.
While it is possible to use it as a throttling valve, this is not advisable as the disc may get damaged by media vibration. The surge of the media can damage the disc when gate valves are used half-closed in a throttling application.
Advantages
- No media flow resistance since the gate does not obstruct the flow when fully opened.
- can be used in bi-directional flows.
- Simple design.
- Suitable for pipes with large diameters.