The concentric reducer is a seamless pipe fitting designed to connect pipes of different diameters. Featuring a polished interior surface that is smooth and free of dead zones, it supports CIP and SIP processes and is suitable for vertical sanitary piping systems in the food, beverage, pharmaceutical, and chemical industries. Custom sizes and various end connections—including butt-weld, clamp, and flange—are available to meet diverse piping system requirements; inspection certificates are provided.