How to use a ball valve (operating guide)A ball valve is a quarter-turn directional valve that uses a rotating, perforated hollow ball to control the flow of fluid through it. Here's how to operate and maintain it correctly:1. Basic Operation (On / Off)To Open (Full Flow): Turn the handle parallel to the pipe. When the handle is aligned with the pipeline, the internal ball's hole is in line with the fluid path, allowing maximum media flow ... Continue