A rotary joint, also known as a rotary union or swivel joint, is a device used to transfer fluids (liquids or gases) from a stationary source to a rotating piece of machinery. These joints are essential in various industrial applications where a fluid must be conveyed to a rotating drum, cylinder, or spindle.
Applications:
- Printing and Packaging Industry:
- Printing Machines: Rotary joints transfer ink, cooling water, or hot oil to the rotating cylinders in printing presses.
- Packaging Equipment: They convey heat transfer fluids or compressed air to rotating components in packaging machines.
- Manufacturing and Processing:
- Paper Mills: Rotary joints supply steam or water to the drying cylinders in paper production.
- Plastic and Rubber Processing: They deliver heating or cooling fluids to the rotating molds or rollers.
- Metal Processing:
- Steel Mills: Rotary joints provide cooling water to the rotating rolls in continuous casting machines.
- Aluminum Extrusion: They transfer hydraulic oil or coolant to rotating spindles or extruders.
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