The image displays a non-return valve, which is a type of check valve designed to allow the flow of fluid or gas in only one direction, automatically preventing any backflow. These valves operate automatically without the need for manual intervention or external control.
Function: Prevents backflow in plumbing or drainage systems.
Operation: Opens with forward flow and closes automatically due to back pressure or gravity to block reverse flow.
Benefits: Protects pumps and other equipment from damage caused by water hammer and maintains pressure integrity in pipelines.
Origin: The item in the image was made in Turkey