FOOT VALVE
Source: 567
Foot valve. (Mech.) A suction valve or check valve at the lower end of a pipe; esp., such a valve in a steam-engine condenser opening to the air pump.
Source: 567
Foot valve. (Mech.) A suction valve or check valve at the lower end of a pipe; esp., such a valve in a steam-engine condenser opening to the air pump.