Flow is controlled by either throttling or diverting it. Throttling involves reducing orifice size until all of the flow cannot pass through the orifice; bypassing involves routing part of the flow ...

Air valves allow metered flow of fluid in one or both directions. Many of them allow for free flow in one direction and reduced or metered flow in the reverse direction. They are used in pneumatic ...

Water valves are designed to handle and control hot water, cold water, ground water, potable water, salt water and/or wastewater. Valves are a part of many daily-used machines and can perform a ...