valve
a valve that opens automatically to relieve excessive pressure
a valve designed to stop the flow of a fluid
a type of safety valve used to control or limit the pressure in a system
a valve through which used gases escape from an engine cylinder
a valve that opens to allow a fluid to enter a pipe or a chamber
a valve in the heart that directs the flow of blood
a valve that is not working correctly
a valve from which fluid is escaping
a valve that allows fluid to flow in only one direction
a valve that allows fluid to flow in only one direction
a valve that controls the flow of fuel
a valve that controls the flow of water
a valve used to empty a container or system of its fluid
a valve on a radiator that controls the flow of hot water
to operate a valve to allow flow
to operate a valve to stop flow
to put a valve into position so it can be used
to put a valve into position so it can be used