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UP Series Rotary Joints

UP Series Rotary Joints


Speed 2500 rpm
Water Pressure 21 bar (300 psi)
Steam Pressure 10 bar (150 psi)
Compatible Media Water and Steam

Rex UP-Series rotary unions are specifically engineered to provide a rotating seal between a stationary fluid supply and a rotating cylinder, roll or drum. Rotary Unions are available in a wide range of shaft diameters from 1/2" to 4" in single-flow, dual-flow for stationary syphon or rotating syphon pipe designs, pipe thread and machine thread connections. The unique design of UP-Series rotary unions permits them to be installed on rotating machinery without using external supports. Every unit is both self-supporting and free floating. The double wide spaced ball bearing construction provides a broad base for radial support, contributing to long bearing life. Bearings are pre-lubricated and sealed. The carbon filled PTFE seal permits exceptional long trouble free operation. The spring loaded static O-ring seal and rotary seal move only enough to allow the carbon filled PTFE seal to align itself with the rotating rotor end. Optically flat seal faces minimise torque and friction drag. They provide positive, leak-free sealing up to 150 PSI, 3500 RPM and 200°F. They are especially desirable for transmitting water and steam on calenders, embossors, laminators, roofing machines, grinding mills, extruders, printing presses, flaking rolls, drum dryers, header boxes etc. and air, hydraulic, vacuum and coolant services on earth moving equipments, cranes, rotating cylinders, compactors, air chucking, indexing fixtures, marine clutches etc.

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