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2. Ball valve - Wikipedia

   en.wikipedia.org/wiki/Ball_valve

   A ball valve is a flow control device which uses a hollow, perforated, and pivoting ball to control fluid flowing through it. It is open when the hole through the middle of the ball is in line with the flow inlet, and closed when it is pivoted 90 degrees by the valve handle, blocking the flow. [1] The handle lies flat in alignment with the flow ...

3. Check valve - Wikipedia

   en.wikipedia.org/wiki/Check_valve

   Tilting-disc inconel check valve Check valve symbol on piping and instrumentation diagrams.The arrow shows the flow direction. Vertical lift check valve. 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.

4. List of valves - Wikipedia

   en.wikipedia.org/wiki/List_of_valves

   Rotary valves and piston valves: parts of brass instruments used to change their pitch; Rotolock valve; Rupture disc: a one-time-use replaceable valve for rapid pressure relief, used to protect piping systems from excessive pressure or vacuum; more reliable than a safety valve; Saddle valve: where allowed, is used to tap a pipe for a low-flow need

5. Piping and plumbing fitting - Wikipedia

   en.wikipedia.org/wiki/Piping_and_plumbing_fitting

   Copper fittings for soldered joints. Pipe fittings: 1) Copper (solder); 2) Iron or brass (threaded); 3) Brass (compression); 4) Brass (compression to solder); 5) Brass adapters. PVC fittings. A fitting or adapter is used in pipe systems to connect sections of pipe (designated by nominal size, with greater tolerances of variance) or tube ...

6. Officers pummeled Tyre Nichols because he fled, a form of ...

   www.aol.com/opening-statements-set-trial-3...

   Three former Memphis police officers charged in the January 2023 beating death of Tyre Nichols stood by his body and laughed after they punched, kicked and struck him with a baton in an attack ...

7. What we know about the couple killed at a nudist ranch in ...

   www.aol.com/know-couple-killed-nudist-ranch...

   Nicole Chavez, CNN. September 5, 2024 at 1:57 PM. Redlands Police Department. A husband and wife who settled at a nudist ranch nestled in a remote California canyon had been missing for days when ...