blast valve
1Blast valve — A blast valve is used to protect a shelter, such as a fallout shelter or bunker, from the effects of sudden outside air pressure changes. A nuclear weapon creates a shock wave, which may produce sudden pressure changes of more than an atmosphere… …
2Blast shelter — A blast shelter is a place where people can go to protect themselves from bomb blasts. It differs from a fallout shelter, in that its main purpose is to protect from shock waves and overpressure, instead of from radioactive precipitation, as a… …
3Valve — This article is about the flow control device. For the game developer, see Valve Corporation. For the electronic component, see Vacuum tube. For other uses, see Valve (disambiguation). These water valves are operated by handles. A valve is a… …
4cold-blast valve — Смотри клапан холодного дутья …
5hot-blast valve — Смотри клапан горячего дутья …
6blast gate — noun : a damper (as of the butterfly valve type) used for controlling the volume of a blast of air or exhaust gases …
7Blast regulation valve — Клапан, регулирующий подачу воздуха …
8Safety valve — A safety valve is a valve mechanism for the automatic release of a gas from a boiler, pressure vessel, or other system when the pressure or temperature exceeds preset limits. It is part of a bigger set named pressure safety valves (PSV) or… …
9Gresley conjugated valve gear — The Gresley conjugated valve gear was a valve gear for steam locomotives designed by Sir Nigel Gresley, chief mechanical engineer of the LNER, assisted by Harold Holcroft. It enables a three cylinder locomotive to operate with only the two sets… …
10Air 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… …
