The plug valves are used to control the flow of fluid in the pipeline.

The engine is equipped with poppet valves.

The pressure valves in the system need to be checked regularly.

The pyloric valves regulate the flow of food from the stomach to the small intestine.

The mechanic replaced the side valves in the engine.

The stop valves in the building need to be replaced.

The atrioventricular valves control the flow of blood between the atria and ventricles.

The ship's engine room is equipped with multiple escape valves.

The bicuspid valves regulate the flow of blood in the heart.

The pulmonary valves regulate blood flow between the right ventricle and the pulmonary artery.