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IRIS VALVES : IRIS

Iris Valves : Price Pfister 05 31xa Two Handle Tub Valve Body.

Iris Valves

valves


(valve) control consisting of a mechanical device for controlling the flow of a fluid


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


(valve) 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 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


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

iris


An adjustable diaphragm of thin overlapping plates for regulating the size of a central hole, esp. for the admission of light to a lens


plants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and three drooping sepals


A flat, colored, ring-shaped membrane behind the cornea of the eye, with an adjustable circular opening (pupil) in the center


A plant with sword-shaped leaves and showy flowers, typically purple, yellow, or white. Native to both Eurasia and North America, it is widely cultivated as an ornamental


muscular diaphragm that controls the size of the pupil which in turn controls the amount of light that enters the eye; it forms the colored portion of the eye


diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening