## What is the Difference Between Globe Valve and Ball Valve?
1. What is a globe valve?
2. What is a ball valve?
3. How do globe valves and ball valves differ in terms of design?
4. In what situations would you choose a globe valve over a ball valve, and vice versa?
## Answers.
### 1. What is a globe valve?
A globe valve is a type of valve used to regulate flow in a pipeline. It consists of a movable disk (plug) that stops or allows flow by moving up and down inside the valve body. When the plug is lifted, flow is allowed; when the plug is lowered, flow is blocked.
### 2. What is a ball valve?
A ball valve is another type of valve used to control flow. It has a spherical disc (ball) inside the valve body which regulates flow by rotating a quarter turn to either allow or block flow. .
### 3. How do globe valves and ball valves differ in terms of design?
- **Globe valve design**: Globe valves have a linear motion stem and are designed to control flow more precisely. They are commonly used in applications that require throttling or regulating flow.
- **Ball valve design**: Ball valves have a rotary motion stem and are designed for quick on/off control of flow. They are often used in applications that require full flow or shut-off.
### 4. In what situations would you choose a globe valve over a ball valve, and vice versa?
- **Choosing a globe valve**: Globe valves are preferred when precise flow control is needed, such as in systems with varying flow rates or pressures.
- **Choosing a ball valve**: Ball valves are ideal for applications where quick shut-off or full flow is required, such as in pipelines that need to be quickly closed in case of emergencies.
In summary, globe valves are better suited for applications that require precise throttling of flow, while ball valves are more appropriate for quick on/off control or shut-off. The choice between the two depends on the specific requirements of the system and the desired flow control capabilities.
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