Definition of valve seat. Meaning of valve seat. Synonyms of valve seat

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

Definition of valve seat

Valve seat
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 seat from wikipedia

- The valve seat in an internal combustion gasoline or diesel engine is the surface against which an intake or an exhaust valve rests during the portion...
- known as a valve stem. The working end of this plug, the valve face, is typically ground at a 45° bevel to seal against a corresponding valve seat ground...
- A valve is a device or natural object that regulates, directs or controls the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening...
- A check valve, non-return valve, reflux valve, retention valve, foot valve, or one-way valve is a valve that normally allows fluid (liquid or gas) to...
- media related to Ball valves. Butterfly valve Control valve Gate valve Globe valve Hydrogen valve Needle valve Pinch valve Piston valve Plastic pressure pipe...
- variations) is a valve controlling the release of a fluid. Tap is used in the United Kingdom and most of the Commonwealth for any everyday type of valve, particularly...
- movable plug or disc element and a stationary ring seat in a generally spherical body. Globe valves are named for their spherical body shape with the two...
- Multi-seat valves, or multi-port valves, are used to shut off or control complex liquid flows in sterile areas in the beverage and food industry as well...
- support the inlet valve and exhaust valve stems. So that they may make proper contact with its valve seat. Along with a corresponding valve spring, they are...
- than a plug inside the cage. A choke may also include a conical valve and valve seat, to ensure complete shutoff. Fluids flowing into the cage (through...