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2. Solenoid valve - Wikipedia

   en.wikipedia.org/wiki/Solenoid_valve

   The solenoid valve (small black box at the top of the photo) with input air line (small green tube) used to actuate a larger rack and pinion actuator (gray box) which controls the water pipe valve. Solenoid valves are also characterized by how they operate. A small solenoid can generate a limited force. An approximate relationship between the ...

3. List of valves - Wikipedia

   en.wikipedia.org/wiki/List_of_valves

   Security valve, a type of automatic shut-off valve (ASV): used to stop the flow of natural gas upon sudden pressure changes. Increased pressure or decreased pressure closes the valve (without using any external power sources).

4. Solenoid (engineering) - Wikipedia

   en.wikipedia.org/wiki/Solenoid_(engineering)

   Hydraulic solenoid valves are in general similar to pneumatic solenoid valves except that they control the flow of hydraulic fluid (oil), often at around 3000 psi (210 bar, 21 MPa, 21 MN/m 2). Hydraulic machinery uses solenoids to control the flow of oil to rams or actuators. Solenoid-controlled valves are often used in irrigation systems ...

5. Valve - Wikipedia

   en.wikipedia.org/wiki/Valve

   These water valves are operated by rotary handles. A valve is a device or natural object that regulates, directs or controls the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening, closing, or partially obstructing various passageways. Valves are technically fittings, but are usually discussed as a separate category. In ...

6. Block and bleed manifold - Wikipedia

   en.wikipedia.org/wiki/Block_and_bleed_manifold

   Two block valves and a bleed valve are as a unit, or manifold, to be installed for positive isolation. Used for critical process service, DBB valves are for high pressure systems or toxic/hazardous fluid processes. Applications that use DBB valves include instrument drain, chemical injection connection, chemical seal isolation, and gauge isolation.

7. Camless piston engine - Wikipedia

   en.wikipedia.org/wiki/Camless_piston_engine

   Solenoid valves are used to control valve activation that is electronically operated. These are used for controlling liquid or gas flow and are most commonly used in fluidics as control elements. They are multifunctional in a way to release, shut off, mix, or distribute fluids with high reliability and fast processing.