I'm replacing the old gate valves at each fixture with quarter-turn valves, otherwise known as ball valves. Putting a ball valve at each fixture is a simple DIY job, and makes plumbing maintenance ...

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 ...

[Derek] sent in this electric ball valve he built for his bio-diesel reactor. If you haven’t checked, the commercial versions are pretty expensive. His solution was to mate a salvaged saturn ...