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2. Diaphragm valve - Wikipedia

   en.wikipedia.org/wiki/Diaphragm_valve

   Diaphragm valves (or membrane valves) consists of a valve body with two or more ports, a flexible diaphragm, and a "weir or saddle" or seat upon which the diaphragm closes the valve. The valve body may be constructed from plastic , metal or other materials depending on the intended use.

3. Ballcock - Wikipedia

   en.wikipedia.org/wiki/Ballcock

   The valve is connected to the incoming water supply, and is opened and closed by the lever which has the float mounted on the end. When the water level rises, the float rises with it; once it rises to a pre-set level, the mechanism forces the lever to close the valve and shut off the water flow.

4. File:Concentric Float Valve.svg - Wikipedia

   en.wikipedia.org/.../File:Concentric_Float_Valve.svg

   Filled areas to match other diagram. Category:Valves Category:Plumbing Category:Inkscape: 11:36, 23 May 2010: 1,190 × 954 (22 KB) Egmason {{Information |Description={{en|1=The Concentric Float valve opens when the fluid level is low, allowing more fluid to eneter (Figure 1).

5. Float chamber - Wikipedia

   en.wikipedia.org/wiki/Float_chamber

   The valve is often described as a needle valve, although this is a misnomer. A true needle valve uses a tapered needle in a tapered seat, so as to provide fine control over flow rate. The float valve uses a pointed needle against a square-edged seat, to give a positive shut-off. As the float relies on gravity, the chamber must be mounted ...

6. Desmodromic valve - Wikipedia

   en.wikipedia.org/wiki/Desmodromic_valve

   Valve float was analyzed and found to be caused largely by resonance in valve springs that generated oscillating compression waves among coils, much like a Slinky. High speed photography showed that at specific resonant speeds, valve springs were no longer making contact at one or both ends, leaving the valve floating [ 12 ] before crashing ...

7. Schrader valve - Wikipedia

   en.wikipedia.org/wiki/Schrader_valve

   Schrader valve components (from left to right) the valve core closed (top) and open (bottom), the order of assembly, end view of stem without core and with core (top) and stem with the dust cap on (bottom). The core has a short outer thread which is screwed into the inner thread of the stem. The visible outer thread of the stem holds the dust cap.

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9. 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]