An upgraded welding end prep tool for machining high temperature, high pressure pipe used on severe-duty offshore piping systems and shale pumping stations is being introduced by ESCO Tool of Holliston, MA. The MILLHOG® Dictator Welding End Prep Tool is an I.D. clamping pipe milling machine designed for dry-cutting high-temperature, high-pressure pipe from 4.5” I.D. to 18” O.D. Ideally suited for stainless steel and super duplex piping systems, this tool features a new 3 HP air motor designed for high performance in environments that have dirty air and high moisture content.