Put the squeeze on downtime with the world's strongest screw press From solid construction to solid value, everything about this press is made to last. Greatest reliability The Dupps Company designs, engineers and manufactures the Dupps Dewatering Screw Press -- the biggest, heaviest, most rugged and durable machine of its kind. Best support This press's reliability also includes ready-to-ship, Dupps-made parts and fast, highly qualified service. Strongest guarantee As long as your sludge composition remains constant, this unit is guaranteed to meet performance specs precisely. So if your input remains constant, your output will stay constant. Or we'll make it right. Period.Proven experienceThe Dupps Company, a leading manufacturer of processing equipment since 1935, has built and installed over 600 screw presses.The Dupps sludge screw press is distributed exclusively in the Americas by Andritz-Ruthner, a 40-year veteran of pulp & paper dewatering technology with over 1,500 systems installed. Call toll-free: 1-800-433-5161.