valve

valvola

Dispositivo che si apre o chiude per regolare il passaggio di liquidi o gas in un tubo.

In inglese semplice: A device you open or close to control the movement of liquid or gas through a pipe.

• Close the valve to stop the water.
• He turned the valve slowly.
• A leaking valve caused the pressure to drop.

Espressioni comuni: open the valve, close the valve, gas valve

valvola di non ritorno, valvola di ritegno

Dispositivo che lascia passare liquidi o gas in una sola direzione e ne impedisce il ritorno.

In inglese semplice: A device that lets liquid or gas pass in one direction and prevents it from flowing back.

• The valve prevents water from flowing back.
• A faulty valve allowed air to escape.
• These valves keep the liquid moving in one direction.

Sinonimi: check valve, non-return valve

Espressioni comuni: one-way valve, check valve, non-return valve

valvola

Parte sottile del corpo che fa passare sangue o altre sostanze in una sola direzione, impedendone il ritorno.

In inglese semplice: A thin part inside the body that lets blood or other material pass one way and stops it returning.

• One heart valve was damaged.
• The surgeon replaced the faulty valve.
• These valves prevent blood from flowing backward.

Espressioni comuni: heart valve, aortic valve, valve replacement

valvola

Parte del motore che si apre per far entrare aria e carburante o uscire i gas bruciati.

In inglese semplice: An engine part that opens to let air and fuel enter, or used gases leave.

• The engine has a damaged valve.
• The mechanic replaced two exhaust valves.
• Each intake valve opens to let air into the cylinder.

Espressioni comuni: exhaust valve, intake valve, engine valve