Definition of Ball valve. Meaning of Ball valve. Synonyms of Ball valve

Here you will find one or more explanations in English for the word Ball valve. Also in the bottom left of the page several parts of wikipedia pages related to the word Ball valve and, of course, Ball valve synonyms and on the right images related to the word Ball valve.

Definition of Ball valve

Ball valve
Valve Valve, n. [L. valva the leaf, fold, or valve of a door: cf. F. valve.] 1. A door; especially, one of a pair of folding doors, or one of the leaves of such a door. Swift through the valves the visionary fair Repassed. --Pope. Heavily closed, . . . the valves of the barn doors. --Longfellow. 2. A lid, plug, or cover, applied to an aperture so that by its movement, as by swinging, lifting and falling, sliding, turning, or the like, it will open or close the aperture to permit or prevent passage, as of a fluid. Note: A valve may act automatically so as to be opened by the effort of a fluid to pass in one direction, and closed by the effort to pass in the other direction, as a clack valve; or it may be opened or closed by hand or by mechanism, as a screw valve, or a slide valve. 3. (Anat.) One or more membranous partitions, flaps, or folds, which permit the passage of the contents of a vessel or cavity in one direction, but stop or retard the flow in the opposite direction; as, the ileocolic, mitral, and semilunar valves. 4. (Bot.) (a) One of the pieces into which a capsule naturally separates when it bursts. (b) One of the two similar portions of the shell of a diatom. (c) A small portion of certain anthers, which opens like a trapdoor to allow the pollen to escape, as in the barberry. 5. (Zo["o]l.) One of the pieces or divisions of bivalve or multivalve shells. Air valve, Ball valve, Check valve, etc. See under Air. Ball, Check, etc. Double-beat valve, a kind of balance valve usually consisting of a movable, open-ended, turban-shaped shell provided with two faces of nearly equal diameters, one above another, which rest upon two corresponding seats when the valve is closed. Equilibrium valve. (a) A balance valve. See under Balance. (b) A valve for permitting air, steam, water, etc., to pass into or out of a chamber so as to establish or maintain equal pressure within and without. Valve chest (Mach.), a chamber in which a valve works; especially (Steam Engine), the steam chest; -- called in England valve box, and valve casing. See Steam chest, under Steam. Valve face (Mach.), that part of the surface of a valve which comes in contact with the valve seat. Valve gear, or Valve motion (Steam Engine), the system of parts by which motion is given to the valve or valves for the distribution of steam in the cylinder. For an illustration of one form of valve gear, see Link motion. Valve seat. (Mach.) (a) The fixed surface on which a valve rests or against which it presses. (b) A part or piece on which such a surface is formed. Valve stem (Mach.), a rod attached to a valve, for moving it. Valve yoke (Mach.), a strap embracing a slide valve and connecting it to the valve stem.

Meaning of Ball valve from wikipedia

- A ball valve is a form of quarter-turn valve which uses a hollow, perforated and pivoting ball to control flow through it. It is open when the ball's...
- check valve springs Ball for a titanium ball valve Ball valve Control valves Directional control valve Endobronchial valve, medical Four-way valve Hydrotest...
- A check valve, clack valve, non-return valve, reflux valve, retention valve or one-way valve is a valve that normally allows fluid (liquid or gas) to...
- disease). The human heart contains four valves: tricuspid valve, pulmonic valve, mitral valve and aortic valve. Their main purpose is to keep blood flowing...
- minority of cases the amount of air in the chest increases when a one-way valve is formed by an area of damaged tissue, leading to a tension pneumothorax...
- categorized into the following types, based on their operating mechanism. Ball valve, for on/off control without pressure drop. Ideal for quick shut-off, since...
- Control valve bodies may be categorized as below: Sliding Stem Globe valve Angle body valve Angle seat piston valve Rotary Butterfly valve Ball valve Other...
- valve is a valve that isolates or regulates the flow of a fluid. The closing mechanism is a disk that rotates. Operation is similar to that of a ball...
- adjustable flow: gate valves are more progressive; ball valves more co****, typically used in on-off applications. Turning a valve **** or lever adjusts...
- A globe valve, different from ball valve, is a type of valve used for regulating flow in a pipeline, consisting of a movable plug or disc element and a...
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