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2. Ball valve - Wikipedia

   en.wikipedia.org/wiki/Ball_valve

   High-pressure ball valves are often used in hydraulic systems, so they are also known as hydraulic ball valves. Ball valves in sizes up to 2 inches (51 mm) generally come in a single piece, two or three-piece designs. One-piece ball valves are almost always reduced bore, are relatively inexpensive, and are generally replaced instead of repaired.

3. 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 ...

4. Check valve - Wikipedia

   en.wikipedia.org/wiki/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. [ 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.

5. Control valve - Wikipedia

   en.wikipedia.org/wiki/Control_valve

   Shut-off / On-off valve: These valves are either completely open or closed. Examples: Gate valve, ball valve, globe valve, angle valve, pinch valve, diaphragm valve; Check valve: Allows flow only in a single direction; Steam conditioning valve: Regulates the pressure and temperature of inlet media to required parameters at outlet.

6. Reporters Apologize After Awkwardly Interrupting Babyface’s ...

   www.aol.com/reporters-apologize-awkwardly...

   Kenneth “Babyface” Edmonds didn’t get the Grammys recognition he expected on Sunday, Feb. 2.. The legendary 65-year-old music producer and singer-songwriter found himself in an awkward ...

7. Artificial heart valve - Wikipedia

   en.wikipedia.org/wiki/Artificial_heart_valve

   Caged ball valve. The first artificial heart valve was the caged ball valve, a type of ball check valve, in which a ball is housed inside a cage. When the heart contracts and the blood pressure in the chamber of the heart exceeds the pressure on the outside of the chamber, the ball is pushed against the cage and allows blood to flow.