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A check valve, non-return valve, reflux valve, retention valve, foot valve, or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction. [1] Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave. There are various ...
A crankcase ventilation system ( CVS) removes unwanted gases from the crankcase of an internal combustion engine. The system usually consists of a tube, a one-way valve and a vacuum source (such as the inlet manifold ). The unwanted gases, called "blow-by", are gases from the combustion chamber which have leaked past the piston rings.
Relay valve. A relay valve is an air-operated valve typically used in air brake systems to remotely control the brakes at the rear of a heavy truck or semi-trailer in a tractor-trailer combination. Relay valves are necessary in heavy trucks in order to speed-up rear-brake application and release, since air takes longer to travel to the rear of ...
American Truck Simulator. American Truck Simulator is a truck simulator game developed and published by SCS Software. It was announced as being in development in September 2013 [ 3] and unveiled at the E3 2015. It was released on 2 February 2016 for Microsoft Windows, Linux, and macOS. [ 4] The game is the parallel sequel to Euro Truck ...
A double check valve or double check assembly (DCA) is a backflow prevention device designed to protect water supplies from contamination. [ 1] It is different from the two-way check valves (sometimes erroneously referred to as double check valves) used in air brake systems on heavy trucks which select from the highest pressure source.
A simple one-way ball-type check valve, in its "open" state acts as a diode in its conducting state. A pressure-actuated valve combined with a one-way check valve acts as a (field-effect) transistor. Like a one-way check valve, a diode blocks current that flows the wrong way.
A drain-waste-vent system (or DWV) is the combination of pipes and plumbing fittings that captures sewage and greywater within a structure and routes it toward a water treatment system. It includes venting to the exterior environment to prevent a vacuum from forming and impeding fixtures such as sinks, showers, and toilets from draining freely ...
NFL Media's Ian Rapoport reported that the NFLPA advised the league, the Cardinals and Fanatics they are not permitted to sell Harrison jerseys. That is "based on the wishes of his representatives ...