Profile: United Ring & Seal, Inc. is a precision manufacturer of metal seal rings & piston rings used in stationary gas & steam turbines, state-of-the-art turbine engines in the air force, navy and army service, general aviation internal combustion engines, hydraulic applications & commercial end uses. We develop high-temperature alloys used for hostile environments and cast-iron and bronze alloys. Our rings are used as nozzle seals, oil seals for bearings, pressure seals for valves and hydraulic applications and compression seals & oil control seals.