Hydra-Seal

Hydra-Seal Inc. manufactures precision industrial piston rings for hydraulic systems, offering custom sizes and coatings. The company produces rings ranging from 0.5 to 73 inches in diameter, utilizing its Accu-Seal process, a CNC cam-free non-round machining method that ensures high circularity and perpendicularity. Hydra-Seal provides application assistance for ring usage and design, and offers various coatings like manganese phosphate, chrome, tin, and niflor to enhance ring function in different environments. With a focus on quality, Hydra-Seal is ISO 9001-2015 certified and also specializes in comprehensive hydraulic and pneumatic cylinder repairs. Their facility in Menomonee Falls, WI, is equipped to recondition cylinder tubes and repair hydraulic components, serving industries such as die casting, railroad, automotive, and power generation.