DSTI Provides Custom Rotary Unions for Major International Steel Producer


Dynamic Sealing Technologies recently shipped the latest in a series of custom rotating unions for the steel industry. The end user for these assemblies is a major producer of steel in eastern Europe. The units pictured were custom designed to fit the existing machinery; replacing the original OEM rotary union assemblies. They are used to supply hydraulic oil and grease to a coiler mandrel. The design consists of a large 3-passage rotary union for hydraulic oil transfer and a smaller 2-passage rotary union for grease transfer. The total assembly is over 27" tall and weighs over 450 lbs.

Product Features:

  • 1.50" flow passages with 1.50" BSP connections
  • designed for up to 450 rpm service
  • bolt-on manifold base designed to mount directly to existing equipment
  • low-torque seals
  • designed for severe duty service
  • 3500 psi pressure rating

DSTI is a leading manufacturer of rotary unions & RotaRing™ rotary union / electrical slip ring assemblies. In addition to the full line of standard rotary union products, DSTI offers complete custom rotary union design and build services.

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