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Valve

Valve is a medium used to regulate, direct or control the flow of a liquid (gas, liquid, fluidized solid) by opening, closing, or closing part of the flow path. The valve can be operated manually, both by the handle, pedal lever and others. Besides being able to be operated manually the valve can also be operated automatically by using the principle of changes in pressure flow, temperature etc. These changes can affect the diaphragm, spring or piston which in turn activates the valve automatically.

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