A Gate Valve is a type of on/off valve used to control flow in a pipe by completely opening or closing the fluid flow path. A gate valve has a gate-shaped disc that moves vertically up and down to open or close the flow. These valves are typically used for applications where flow needs to be completely stopped or fully opened.
Types of Gate Valves:
1. Rising Stem Gate Valve:
Description: In this type, the shaft (stem) will visibly move up and down along with the movement of the disc or gate. When the valve is opened, the shaft will also move up, indicating whether the valve is open or closed.
Application: Often used in applications with direct visual monitoring to ensure valve status.
Advantages: Easier to monitor valve position and more resistant to leaks.
2. Non-Rising Stem Gate Valve:
Description: In this type, the shaft remains within the valve and does not move up when the valve is opened or closed. The opening or closing movement is controlled entirely by the rotating shaft.
Application: Suitable for applications with limited space where upward shaft movement is not possible.
Advantages: Ideal for installations in tight or deep spaces.
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