two way check valve
1Check valve — Tilting disc inconel check valve …
2Valve — 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… …
3Two-stroke engine — Brons two stroke V8 Diesel engine driving a Heemaf generator. A two stroke engine is an internal combustion engine that completes the process cycle in one revolution of the crankshaft (an up stroke and a down stroke of the piston, compared to… …
4Tap (valve) — Spigot and faucet redirect here. For other uses, see Spigot (disambiguation). A valve tap is a noise made by the valves of internal combustion engines; see Poppet valve > Internal combustion engine. Indoor Tap commonly found in the bathroom or …
5Railway air brake — Piping diagram from 1920 of a Westinghouse E T Air Brake system on a locomotive …
6Globe valve — A Globe valve is a type of valve used for regulating flow in a pipeline, consisting of a movable disk type element and a stationary ring seat in a generally spherical body. [cite web url = http://www.answers.com/topic/globe valve title = Globe… …
7Bag valve mask — A bag valve mask (also known as a BVM or Ambu bag) is a hand held device used to provide ventilation to a patient who is not breathing or who is breathing inadequately. The device is a normal part of a resuscitation kit for trained professional,… …
8Balanced valve — Balance Bal ance (b[a^]l ans), v. t. [imp. & p. p. {Balanced} (b[a^]l anst); p. pr. & vb. n. {Balancing} (b[a^]l an*s[i^]ng).] [From {Balance}, n.: cf. F. balancer.] 1. To bring to an equipoise, as the scales of a balance by adjusting the… …
9Hydraulic analogy — The electronic–hydraulic analogy (derisively referred to as the drain pipe theory by Oliver Heaviside) is the most widely used analogy for electron fluid in a metal conductor. Since electric current is invisible and the processes at play in… …
10Dashpot timer — The first automatic timer, the dashpot timer has been used in many different machines and has many variations. Pneumatic, hydraulic action, and mercury displacement timers. Being used in a variety of things such as printing presses, motors, and… …
