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2. List of valves - Wikipedia

   en.wikipedia.org/wiki/List_of_valves

   The inside of an extremely large butterfly valve Duplex ball valve Three check valves in corrosion-resistant Hastelloy Stainless steel gate valve. Valves can be categorized into the following types, based on their operating mechanism: Ball valve, for on–off control without pressure drop. Ideal for quick shut-off, since a 90° turn completely ...

3. Ball valve - Wikipedia

   en.wikipedia.org/wiki/Ball_valve

   A full bore (sometimes full port) ball valve has an oversized ball so that the hole in the ball is the same size as the pipeline resulting in lower friction loss. Flow is unrestricted but the valve is larger and more expensive so this is only used where free flow is required, for example in pipelines that require pigging .

4. Valve - Wikipedia

   en.wikipedia.org/wiki/Valve

   Schematic 3 way ball valve: L-shaped ball right, T-shaped left. Valves with three ports serve many different functions. A few of the possibilities are listed here. Three-way ball valves come with T- or L-shaped fluid passageways inside the rotor. The T valve might be used to permit connection of one inlet to either or both outlets or connection ...

5. 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 ...

6. College football player raped underage teen on Carnival ...

   www.aol.com/news/college-football-player-raped...

   A college football player with a history of sexual assault raped a 17-year-old girl aboard a Carnival Cruise ship as she was celebrating the holidays with her family — before heartlessly asking ...

7. First lady Jill Biden announces she is leaving her teaching ...

   www.aol.com/first-lady-jill-biden-announces...

   First lady Jill Biden announced Monday she is stepping down from her teaching position at Northern Virginia Community College. "Last Thursday, I taught my last class of the semester, and my final ...