ADJUSTABLE EXHAUST VALVE

VALVE POSITIONER - POSITIONER

Valve Positioner - Solar Mixing Valve - Icemaker Water Valve.

Valve Positioner

positioner


rotary actuator: (computer science) the actuator that moves a read/write head to the proper data track


Any mechanical device used to position something


Brief statement used on-air to define a station's position in a market.

valve


device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone


control consisting of a mechanical device for controlling the flow of a fluid


A membranous fold in a hollow organ or tubular structure, such as a blood vessel or the digestive tract, that maintains the flow of the contents in one direction by closing in response to any pressure from reverse flow


a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it


A device for controlling the passage of fluid through a pipe or duct, esp. an automatic device allowing movement in one direction only


A cylindrical mechanism in a brass instrument that, when depressed or turned, admits air into different sections of tubing and so extends the range of available notes