Carbon and fibre products presents supertex u-series rotary unions or roto seal. These products come in a wide range of shaft diameters ranging from ΒΌ " to 7" in single flow, dual flow, or multi-passage designs, pipe threads and machine thread connections. These products find application in various machines like marine cluches, grinding mills, printing presses, air chucking, roofing machines, laminators, embossers, calendars, flaking rolls, earth-moving equipment, drum dryers, header boxes, cranes rotating cylinders, compacters, etc. Special grade carbon material used for the construction of these rotary unions and roto seals permits expectional long trouble-free operation. The mechanical seals are provided for leakproof sealing. They are available in aluminium, brass and ss body construction and nipple is made of carbon steel or ss.