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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 ...

3. List of valves - Wikipedia

   en.wikipedia.org/wiki/List_of_valves

   Flapper valve. Flow divider valve: a valve providing a plurality of output flows from a single fluid source [ 2] Flutter (Heimlich) valve: a specific one-way valve used on the end of chest drain tubes to treat a pneumothorax. Foot valve: a check valve on the foot of a suction line to prevent backflow.

4. Tap (valve) - Wikipedia

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

   A gas tap is a specific form of ball valve used in residential, commercial, and laboratory applications for coarse control of the release of fuel gases (such as natural gas, coal gas, and syngas). Like all ball valves its handle will parallel the gas line when open and be perpendicular when closed, making for easy visual identification of its ...

5. Ion (paintball marker) - Wikipedia

   en.wikipedia.org/wiki/Ion_(paintball_marker)

   Bore. .689. Rate of fire. 17 balls per second. The Ion is an electropneumatic paintball marker manufactured by Smart Parts. At the time of its release, the Ion was the first fully electropneumatic marker aimed at entry-level players, at a price point similar to Spyders and other mechanical blowbacks. The Ion has generally been credited with ...

6. Aortic valve - Wikipedia

   en.wikipedia.org/wiki/Aortic_valve

   Aortic valve. The aortic valve is a valve in the heart of humans and most other animals, located between the left ventricle and the aorta. It is one of the four valves of the heart and one of the two semilunar valves, the other being the pulmonary valve. The aortic valve normally has three cusps or leaflets, although in 1–2% of the population ...

7. Ballcock - Wikipedia

   en.wikipedia.org/wiki/Ballcock

   Ballcock. A ballcock (also balltap or float valve) is a mechanism or machine for filling water tanks, such as those found in flush toilets, while avoiding overflow and (in the event of low water pressure) backflow. The modern ballcock was invented by José Antonio de Alzate y Ramírez, a Mexican priest and scientist, who described the device in ...