fire valve
31Variable valve timing — Variable valve timing, or VVT, is a generic term for an automobile piston engine technology. VVT allows the lift or duration or timing (some or all) of the intake or exhaust valves (or both) to be changed while the engine is in operation. Two… …
32Butterfly valve — A butterfly valve is a type of flow control device, typically used to regulate a fluid flowing through a section of pipe. The valve is similar in operation to a ball valve. A flat circular plate is positioned in the center of the pipe. The plate… …
33Back-fire — For other meanings of the term see backfire. A Back fire or backfire is an explosion in the inlet manifold, carburetor/throttle body or air cleaner of an internal combustion engine.cite book last =Afgan first = authorlink = coauthors =Naim Afgan …
34PCV valve — The Positive Crankcase Ventilation valve, or PCV valve, is a one way valve that ensures continual evacuation of gases from inside a gasoline internal combustion engine s crankcase.ExplanationAs an engine runs, gases and combustion pressure are… …
35Air valve — Air Air ([^a]r), n. [OE. air, eir, F. air, L. a[ e]r, fr. Gr. ah r, air, mist, for a[digamma]hr, fr. root a[digamma] to blow, breathe, probably akin to E. wind. In sense 10 the French has taking a meaning fr. It. aria atmosphere, air, fr. the… …
36Ball valve — Ball Ball (b[add]l), n. [OE. bal, balle; akin to OHG. balla, palla, G. ball, Icel. b[ o]llr, ball; cf. F. balle. Cf. 1st {Bale}, n., {Pallmall}.] 1. Any round or roundish body or mass; a sphere or globe; as, a ball of twine; a ball of snow. [1913 …
37English Electric Valve Company — English Electric Valve Company, currently known as E2V, is an English electronics company.The company was founded in Chelmsford, Essex in 1947 under Serge Eisenstein. [http://www.firedirect.net/Profiles/0802 e2v/0802 001.htm Fire Direct company… …
38damper valve — A butterfly valve in an air duct. When the valve is open, the air flows through the duct; when it is closed, the butterfly valve is perpendicular to the airflow and does not permit any air to flow into the system. These valves are normally used… …
39Snifting valve — A snifting valve (sometimes snifter valve) is an automatic anti vacuum valve used in a steam locomotive when coasting. The word Snift imitates the sound made by the valve.When the driver shuts off the steam to the cylinders of a steam locomotive… …
40Passive fire protection — (PFP) is an integral component of the three components of structural fire protection and fire safety in a building. PFP attempts to contain fires or slow the spread, through use of fire resistant walls, floors, and doors (amongst other examples) …
