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Rotary Unions

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  • Our rotary union products provide options for both single and multiple passage designs capable of handling different media types simultaneously.

  • From our standard rotary union products to our custom designed solutions, our engineers will help you find a solution that meets your exact specifications.
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DSTI Products

DSTI offers complete specialized rotary unions designed to meet customer-specific requirements as well as a wide range of stock rotary union products and options for a variety of standard applications.


DSTI also offers a wide range of electrical slip ring products and integrated options including protective covers, pin connectors, and cordsets.



Specialized Rotary Unions & Swivel Joints

Fluid Rotary Unions & Swivel Joints

  • Single & Multiple Flow Passage Options
  • Designs for Multiple Fluid Types
  • Air/Gas, Oil, Coolant, Steam, Water, Food-Grade, Chemical, Abrasive Media, Cryogenics, and Others
  • Vacuum to High Pressure (20,000+ PSI) Options
  • Low to High Temperature Options
  • High Flow Volume Options
  • Electrical Slip Ring Integration (for data/power transfer)
  • Designs for Indoor, Outdoor, Cleanroom, Washdown, Offshore, Subsea, and Other Environments
  • Variety of Sealing Systems Available
  • Specialized Designs for Direct Integration into Customer Equipment
Specialized Rotary Unions & Swivel Joints

Electrical Slip Rings

  • Compact Capsule Models
  • Thru-bore Models
  • Ethernet Connection Models (100 BaseT / 1000 BaseT)
  • Standard Options Up to 56 Circuits
  • Custom Circuit / Amp Configuration Options
  • High Quality Gold on Gold Contacts
  • Low Electrical Noise
  • High Bandwidth Capability
  • Variety of Mounting Options
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