Valves help safeguard infrastructure and public health. Today's valve technologies include features like essential pressure relief mechanisms that protect delicate cold-water lines to robust backwater valves preventing hazardous sewage backups. Modern innovations also include automatic break-check systems for emergency hydrant impacts and specialized torsional valves that optimize potable water mixing without external power. Built from durable materials like brass, ductile iron and engineered rubber, these dependable devices ensure system integrity and maintain steady pipeline performance.A.Y. McDonald 6214 Pressure Relief ValveA.Y. McDonald’s 6214 Pressure Relief Valve is engineered to protect cold water systems by relieving excess pressure and preventing damage to pipes, system
