A brass ball valve is actually a form of valve that utilises a spherical disc to regulate the circulation of fluids, mostly liquids or gases. Shut the new valve. Open the water-principal shutoff valve and Enable the water run until eventually all of the air is out on the pipes. https://brassinstrumentwithvalves73726.blog-gold.com/37967803/5-tips-about-brass-gate-valves-you-can-use-today