Definitions for "Flow Control Valve"
Keywords:  valve, gpd, gpm, manual, actuators
Device designed to reduce water flow to a plumbing fixture. Often used to improve efficiency and reduce operating costs. Also a check valve that prevents flow reversal when heater is turned off.
also known as the needle valve, controls the rate of flow of a gas through its associated flow meter by manual adjustment of a variable orifice.
a valve which is pre-set and remains constant.