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Bellows Type Sealed Rotary Unions
Bellows Type Sealed Rotary Unions
Duff Norton, USA, manufactures rotary unions featuring a bellows type seal to provide greater flexibility when the equipment's misalignment is inherent and to resist the seal hang up in media contaminated with debris and suspensions. These rotary unions are supplied in single and dual flow and size range of 1/4" to 5" and with a standard mounting either with threaded shaft or flange. Models above 1-1/4" sizes are supplied with dual bearings for additional load support. The media and temperature range covered are: Water: 190?C, Oil: 190?C, Steams: 190?C, and Air: 175?C. Unions can also be supplied for 315?C temperature range.
