Body: The main housing of the valve.

Disc or Ball: The movable part that opens and closes.

Seat: The surface where the disc or ball seals to prevent backflow.

Spring (optional): Helps in closing the valve quickly.

Swing Check Valve: The disc swings open and closed.

Lift Check Valve: The disc lifts upward to allow flow.

Ball Check Valve: A ball seals the opening.

Butterfly Check Valve: A disc rotates like a butterfly valve.

Plumbing systems: To prevent water backflow.

Pump systems: To protect pumps from water hammer.

HVAC systems: To prevent refrigerant loss.

Automotive systems: To control fluid flow in various components.

Industrial processes: To regulate fluid flow in pipelines.

Prevents backflow: Protects systems and equipment from damage.

Increases system efficiency: Maintains proper fluid flow.

Simple and reliable: Easy to install and maintain.