GATE VALVE
Gate valve is a kind of valve with wide application in the pipeline, which mainly plays the role of connecting and cutting off the medium. The direction of movement of the gate valve is perpendicular to the direction of the fluid. The gate valve can only be fully opened and fully closed, and cannot be adjusted or throttled.
Advantages
1. Small flow resistance. The medium channel inside the valve body is straight through, the medium flows in a straight line, and the flow resistance is small.
2. The sealing performance is better than that of the stop valve, and the opening and closing is also less labor-saving than the stop valve.
3. The gate valve is a valve with double flow direction, which is not restricted by the flow direction of the medium, so it is suitable for pipelines where the medium may change the flow direction, and it is also easy to install.
4. The shape is simple, the structure length is short, the manufacturing process is good, and the application range is wide.
Disadvantage
1. The overall size and opening height are large. Large space is required for installation.
2. During the opening and closing process, there is relative friction between the sealing surfaces, which is easy to cause scratches.
3. Gate valves generally have two sealing surfaces, which add some difficulties to processing, grinding and maintenance.
