Definition of valve casing. Meaning of valve casing. Synonyms of valve casing

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

Definition of valve casing

valve casing
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 valve casing from wikipedia

- Stölzel valve, the air enters through the bottom of the valve casing, up through the hollow bottom end of the piston, and through a port to the valve loop...
- instrument maker, has improved the axial flow valve design by fabricating both the rotor and the valve casing from single pieces of solid br**** with no soldered...
- A rotary valve (also called rotary-motion valve) is a type of valve in which the rotation of a p****age or p****ages in a transverse plug regulates the flow...
- ****ociated hardware such as packers, gas lift mandrels and subsurface safety valves. Casing design for each size of designed pipes is done by calculating the worst...
- that holds the fluid going through the valve. The valve's body is the outer casing of most or all of the valve that contains the internal parts or trim...
- extra parts or reconfigured bear an X on the serial number on the second valve casing, others had a digit added to the original serial number. In some cases...
- from the sides of the taller valve casing, rather than the top. Very few instruments were built and sold with these valves, and both patents have now expired...
- natural gas extraction, a Christmas tree, or tree, is an ****embly of valves, casing spools, and ****ings used to regulate the flow of pipes in an oil well...
- oil also completes the seal between the valve casing and the piston or rotor. Although a clean and unoiled valve of a well maintained instrument should...
- on how the pieces of the valve—especially the casing that contains the ball itself—are manufactured and ****embled. The valve operation is the same in...