The r rotary union connects stationary piping to a rotating device. For intensive research on deublin rotating unions with online product choice please refer to. The function of a rotating union is to separate the working media from the environment. Rotating unions are also referred as rotary swivels, dublin couplings, rotary joints. Rotating unions water steam air hydraulic hot oil vacuum coolant custom applications. Manuals and instructions product support deublin company. In 1989, the deublin product line was expanded to include steam joints and siphon systems for paper machine dryer cans. Here are just some of the industries that rely on deublin for their unique rotating union needs. A rotary union or swivel joint is a mechanism used to transfer. Deublin rotating unions vary for each application, depending on design, bearing type, construction and material required.
In some cases, like in larger flanged rotary unions, the shaft may be stationary while the housing rotates. Deublin rotary union pdf october 3, 2018 coolant unions for machine tools. Hydraulic rotary union, hydraulic rotary joint all industrial. Developed in 1945, and continually improved as a result of practical requirements, deublin rotating unions are at the cutting edge of technology today. The fluid is sealed by precision, microlapped seals that provide a uniform, fullflow design. Duffnorton rotary union brand of rotating unions are contacting seal. Nitto kohki delvo electric screwdriver catalogue en. Union is a self contained, self supporting rotary seal for the leak proof transfer of fluids such as steam, water, air or oil to and from rotating machine shafts.
Prices are indicative only and may vary by country, with changes in raw materials prices or exchange rates. Find your hydraulic rotary union easily amongst the 200 products from the leading brands dynamic sealing technologies, duffnorton, deublin. The core of a rotating union is the seal combination. Coolant unions must deliver high pressure coolant for through spindle coolant applications. Ottjakob rotary unions ensure the reliable transfer of cooling luids and gases into the rotating spindle, from where they are passed through to the tool holder. A rotary union functions by connecting a stationary input supply to a rotating part, allowing a moving connection to be preserved and. A fluid rotary union fru functions as a rotary interface for fluid carrying conduit between stationary and rotating equipment.