balanced valve
noun
a valve designed so that pressure-induced forces from the fluid being controlled oppose one another so that resistance to opening and closing the valve is negligible.
Origin of balanced valve
First recorded in 1930–35
Words nearby balanced valve
balanced rudder,
balanced sentence,
balanced step,
balanced ticket,
balanced translocation,
balanced valve,
balancer,
balanchine,
balancing act,
balancé,
balanic