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  2. Isolation valve - Wikipedia

    en.wikipedia.org/wiki/Isolation_valve

    An isolation valve is a valve in a fluid handling system that stops the flow of process media to a given location, usually for maintenance or safety purposes. [1] They can also be used to provide flow logic (selecting one flow path versus another), and to connect external equipment to a system. [ 2 ]

  3. Block and bleed manifold - Wikipedia

    en.wikipedia.org/wiki/Block_and_bleed_manifold

    A Block and bleed manifold is a hydraulic manifold that combines one or more block/isolate valves, usually ball valves, and one or more bleed/vent valves, usually ball or needle valves, into one component for interface with other components (pressure measurement transmitters, gauges, switches, etc.) of a hydraulic system. The purpose of the ...

  4. Piping and plumbing fitting - Wikipedia

    en.wikipedia.org/wiki/Piping_and_plumbing_fitting

    Valves stop (or regulate) the flow of liquids or gases. They are categorized by application, such as isolation, throttling, and non-return. Isolation valves temporarily disconnect part of a piping system to allow maintenance or repair, for example. Isolation valves are typically left in either a fully open or closed position.

  5. Scuba manifold - Wikipedia

    en.wikipedia.org/wiki/Scuba_manifold

    Face sealed manifolded twin 12l steel cylinder set. A scuba manifold is a device incorporating one or more valves and one or more gas outlets with scuba regulator connections, used to connect two or more diving cylinders containing breathing gas, providing a greater amount of gas for longer dive times or deeper dives.

  6. Flat-faced dogs ‘have 40% higher risk of shorter lives than ...

    www.aol.com/flat-faced-dogs-40-higher-160000810.html

    Flat-faced dogs such as pugs and French bulldogs have a 40% increased risk of living shorter lives than other breeds, researchers have said. New study suggests the average life expectancy of all ...

  7. Drain-waste-vent system - Wikipedia

    en.wikipedia.org/wiki/Drain-waste-vent_system

    A sewer pipe is normally at neutral air pressure compared to the surrounding atmosphere.When a column of waste water flows through a pipe, it compresses air ahead of it in the system, creating a positive pressure that must be released so it does not push back on the waste stream and downstream traps, slow drainage, and induce potential clogs.

  8. Texas gets College Football Playoff scare from Clemson before ...

    www.aol.com/texas-too-much-clemson-college...

    Texas advances to face No. 4 seed Arizona State in the Peach Bowl on Jan. 1. Texas running back Quintrevion Wisner (26) carries the ball into the end zone for a touchdown against Clemson during ...

  9. '1923' actress died for 3 minutes, suffered complete organ ...

    www.aol.com/1923-actress-died-3-minutes...

    This highly-rated face serum is just $10: 'Totally changed my 64-year-old skin' AOL. AOL Reviewed: Drew Barrymore’s grind-and-brew coffee maker is equal parts attractive, affordable, and ...

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