Using the handle on top of the valve, you can rotate the ball through 90 degrees. When the hole aligns with the pipe, water flows freely. When it's perpendicular to the pipe, the flow stops.

In reality, the two valve types should be the same size. Engineers specifying FBBVs should ask the supplier how the rated C was determined to make sure they purchase the correct size. While the flow ...

Choked flow in control valves is a subject of serious concern for industrial users. The term is usually associated with destructive process conditions that can damage valve internals or expose ...