the non-return valve
1Valve — 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… …
2The Masters Apprentices — Origin Adelaide, South Australia, Australia Genres R B, pop/rock, psychedelic/progressive Years active 1965–1972, 1987–1991, 1994–1995, 1997, 2001–2002 …
3Valve audio amplifier - technical — Circuitry and performance Characteristics of valves Valves are very high input impedance (near infinite in most circuits) and high output impedance devices. They are also high voltage / low current devices.While valves themselves are described… …
4The Orange Box — This article is about the video game compilation. For the telecommunication and engineering hardware, see Orange box. The Orange Box The box art depicts Half Life s Gordon Freeman, a sign from Portal, and the heavy class from Team Fortress 2 …
5The Beatles — This article is about the band. For other uses, see The Beatles (disambiguation). Fab Four redirects here. For other uses, see Fab Four (disambiguation) …
6valve — noun ADJECTIVE ▪ safety ▪ shut off ▪ non return, one way ▪ exhaust, inlet ▪ drain …
7Check valve — Tilting disc inconel check valve …
8ball valve — noun any valve that checks flow by the seating of a ball • Hypernyms: ↑valve * * * noun 1. : a valve in which a ball fits into a spherical seat and regulates the aperture by its rise and fall due to fluid pressure, to a spring, or to its own… …
9Return to Castle Wolfenstein — Infobox VG width = title = Return to Castle Wolfenstein caption = aspect ratio = resolution = developer = id Software Gray Matter Interactive Nerve Software publisher = Activision (Windows, Xbox) Aspyr Media, Inc. (Mac OS) Virgin Interactive… …
10Mitral valve prolapse — Mitral valve prolapses Classification and external resources In mitral valve prolapse, the leaflets of the mitral valve prolapse back into the left atrium. ICD 10 …
