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2. Wikipedia talk : WikiProject Pipe organ/Windchest designs

   en.wikipedia.org/wiki/Wikipedia_talk:WikiProject...

   All the cone valves move when the corresponding key is pressed. Therefore, in order for a pipe to sound in a cone valve chest, two events must occur: A stop must be activated so that the the stop channel is filled with wind. A key must be pressed, opening the cone valves under all the pipes for that note, so that wind is admitted to any pipe ...

3. List of valves - Wikipedia

   en.wikipedia.org/wiki/List_of_valves

   These are more specific types of valves, used only in particular fields or applications. Often they are subcategories of the classification by operating principle and by function: Aspin valve: a cone-shaped metal part fitted to the cylinder head of an engine; Ballcock: often used as a water level controller (cistern)

4. Floodgate - Wikipedia

   en.wikipedia.org/wiki/Floodgate

   Fixed cone valves are able to handle heads up to 300 m. Hollow jet valves are a type of needle valve used for floodgate discharge. A cone and seat are inside a pipe. Water flows through an annular gap between the pipe and cone when it is moved downstream, away from the seat. Ribs support the bulb assembly and supply air for water jet stabilization.

5. 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.

6. Tap (valve) - Wikipedia

   en.wikipedia.org/wiki/Tap_(valve)

   Valves of this type using a cylinder rather than a cone are sometimes encountered, but using a cone allows a tight fit to be made even with moderate manufacturing tolerances. The ball in ball valves rotates within plastic (usually PTFE) seats. Hands free infrared proximity sensors are replacing the standard valve. Thermostatically controlled ...

7. Oxy-fuel welding and cutting - Wikipedia

   en.wikipedia.org/wiki/Oxy-fuel_welding_and_cutting

   The tip of this inner cone is the hottest part of the flame. It is approximately 6,000 °F (3,320 °C) and provides enough heat to easily melt steel. [5] In the inner cone the acetylene breaks down and partly burns to hydrogen and carbon monoxide, which in the outer cone combine with more oxygen from the surrounding air and burn.