two-way valve

two-way valve

[′tü ¦wā ′valv]
(mechanical engineering)
A mechanical device that controls the flow of fluid by allowing flow in either of two directions.
References in periodicals archive ?
Among all these parts, control unit and two-way valve module were developed in the laboratory.
Modes allow the operator to control the water level height in two possible ways, automatic by using discrete-time PID controller, or manual via water pump power adjustments or changing the openness of two-way valve. After stopping the operating modes, operator can plot graphs of level height h (mm) and water pump power P (%) with all monitored data from start to the end of each mode.
The DOC valve on the new system is a two-way valve that regulates pressure to the top of a piston that controls check motion.