OVERVIEW
A swing check valve uses a central swinging disc to direct flow in one direction, permitting or obstructing the media. When pressure decreases to zero, the valve closes completely to prevent any backflow. It’s frequently employed in sewage systems and firefighting operations.
![Swing Check Valve](https://www.dpcontrols.in/wp-content/uploads/2023/10/Swing-Check-Valve-1.png)