These are high pressure-steam and high temperature hot oil unions. The steel rotor supported on extra long Carbon graphite bush bearings ensures larger bearing area enabling the rotary union to function trouble free for long durations without lubrication.

With provision for siphon pipe, these are used in mono flow as well as duel flow applications.

It has cast iron, cast steel or S. G. Iron housing, Chrome plated steel or Stainless steel rotors, carbon graphite Bush Bearings / Seal rings and stainless steel springs.