escape-valve
41Downhole safety valve — A downhole safety valve refers to a component on an oil and gas well, which acts as a failsafe to prevent the uncontrolled release of reservoir fluids in the event of a worst case scenario surface disaster. It is almost always installed as a… …
42Exhaust valve — Exhaust Ex*haust , a. [L. exhaustus, p. p.] 1. Drained; exhausted; having expended or lost its energy. [1913 Webster] 2. Pertaining to steam, air, gas, etc., that is released from the cylinder of an engine after having preformed its work. [1913… …
43Shunt valve — (Mach.) A valve permitting a fluid under pressure an easier avenue of escape than normally; specif., a valve, actuated by the governor, used in one system of marine engine governing to connect both ends of the low pressure cylinder as a… …
44safety valve — safety valves 1) N COUNT A safety valve is a device which allows liquids or gases to escape from a machine when the pressure inside it becomes too great. Residents heard an enormous bang as a safety valve on the boiler failed. 2) N COUNT A safety …
45Safety valve — Safety chain Safety chain (a) (Railroads) A normally slack chain for preventing excessive movement between a truck and a car body in sluing. (b) An auxiliary watch chain, secured to the clothes, usually out of sight, to prevent stealing of the… …
46Advanced Crew Escape Suit — The Advanced Crew Escape Suit, or ACES, is a full pressure suit currently worn by all Space Shuttle crews for the ascent and entry portions of flight. The suit is a direct descendant of the U.S. Air Force high altitude pressure suits worn by the… …
47Snifting valve — Snifting Snift ing, a. & n. from {Snift}. [1913 Webster] {Snifting valve}, a small valve opening into the atmosphere from the cylinder or condenser of a steam engine, to allow the escape of air when the piston makes a stroke; so called from the… …
48safety valve — n 1.) a part of a machine that allows gas, steam etc to escape when the pressure becomes too great 2.) something that allows you to get rid of strong feelings without doing any harm ▪ Being able to express emotion is a healthy safety valve for… …
49safety valve — UK / US noun [countable] Word forms safety valve : singular safety valve plural safety valves 1) a part of a piece of equipment that allows gas, air, or liquid to escape when there is too much pressure inside 2) a way of getting rid of strong… …
50air valve — n. a valve by which the entrance or escape of air can be regulated …
