Ball valves are quarter-turn, straight-through valves that have a round closure element with matching rounded seats that permit uniform sealing stress. The valve gets its name from the ball that ...

I'm replacing the old gate valves at each fixture with quarter-turn valves, otherwise known as ball valves. Putting a ball ...

1. Convert reported flow coefficient to a loss coefficient. 3. Convert back to the flow coefficient. Calculate the revised coefficient based on the total loss: Published C v values for two different ...