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2. Gate valve - Wikipedia

   en.wikipedia.org/wiki/Gate_valve

   A gate valve, also known as a sluice valve, is a valve that opens by lifting a barrier (gate) out of the path of the fluid. Gate valves require very little space along the pipe axis and hardly restrict the flow of fluid when the gate is fully opened.

3. List of valves - Wikipedia

   en.wikipedia.org/wiki/List_of_valves

   Slide gate valve: Ideal for handling dry bulk material in gravity flow, dilute phase, or dense phase pneumatic conveying applications. Similar to a sliding line blind valve, but the latter is for higher-pressure applications; Slide valve: used in early steam engines to control admission and emission of steam from the piston

4. Slide valve - Wikipedia

   en.wikipedia.org/wiki/Slide_valve

   Cylinder, with slide valve removed to show ports A double-acting slide valve cylinder. Steam enters via the steam port SP, and is admitted by the slide valve SV through the upper passage S to push down the piston P. At the same time, exhaust steam from below the piston passes back up the lower passage S, via the valve cavity, to exhaust E. As ...

5. Air-operated valve - Wikipedia

   en.wikipedia.org/wiki/Air-operated_valve

   An air-operated valve, also known as a pneumatic valve, is a type of power-operated pipe valve that uses air pressure to perform a function similar to a solenoid. As air pressure is increased, the compressed air starts to push against the piston or diaphragm walls which causes the valve to actuate. Whether the valve opens or closes depends on ...

6. Gate (hydraulic engineering) - Wikipedia

   en.wikipedia.org/wiki/Gate_(hydraulic_engineering)

   Within the gate valve, there is a gatelike disk that moves up and down perpendicular to the path of flow and seats against two seat faces to shut off flow. The velocity of the fluid against a partly opened disk may cause vibration and chattering which will ultimately lead to damage to the seating surfaces. This is a common way that gate valves ...

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