The Mival ball valves are products of inginuity and brilliance. Widely familiar for their reliabilty and versatility. They are made from the highest quality of materials designed to last. The Mival ball valves are mostly preferred for water or liquid pipelines. It is a must have in many if not all industrial facilities, factories and companies. It is user friendly and comes with easy installation instructions such as before assembling the valve at the pipeline open it completely. Check inside the body and the threaded parts to be clean, possible impurities have to be removed in order to ensure etc.