Check valve
part · 250 BC · Ancient world
A valve that lets flow pass in one direction only.
Principles and materials it uses
- Bronze — is made of. The valves of ancient pumps were bronze.
- Pressure — uses. A valve is opened by pressure in one direction.
Where it is used
- Piston pump — is part of. Check valves direct the flow.
- Artificial heart valve — is part of. It works as a check valve.
- Spray bottle — is part of. A valve.
- Vacuum pump — is part of. Valves stop air from flowing back.
- Bellows — is part of. An air intake valve.
- Jack — is part of. Check valves.
What it is a kind of
- Valve — is a kind of. A kind of valve.