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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]

3. 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 ...

4. Valve - Wikipedia

   en.wikipedia.org/wiki/Valve

   To access internal parts of a valve, a user would take off the bonnet, usually for maintenance. Many valves do not have bonnets; for example, plug valves usually do not have bonnets. Many ball valves do not have bonnets since the valve body is put together in a different style, such as being screwed together at the middle of the valve body.

5. Control valve - Wikipedia

   en.wikipedia.org/wiki/Control_valve

   Control valve: Controls flow parameters proportional to an input signal received from the central control system. Examples: Globe valve, angle valve, ball 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

6. Ballcock - Wikipedia

   en.wikipedia.org/wiki/Ballcock

   This action of the conventional float controlled valves frequently gives rise to a condition where full closing of the valve does not occur with a consequent continuous leakage of water through the valve with a resulting waste of water." US 418162, Cahill, W. J., "Ball cock", published 2 October 1889, issued 31 December 1889 ; hysterisis issue.

7. Taiwan to help companies relocate to US following Trump tariffs

   www.aol.com/news/taiwan-help-companies-relocate...

   Taiwan, whose companies are key producers of tech products such as semiconductors and electronics parts, is vulnerable given that many have factories in both Mexico and China and because Trump has ...