Rotary Unions (Lightweight & Compact Design)

Product Announcement from DSTI - Dynamic Sealing Technologies, Inc.

Rotary Unions (Lightweight & Compact Design)-Image

Available in 2, 4, 8, 12 and 24 passage models, the LT Series rotary unions are designed for air, vacuum and other fluid use and are ideal for a number of automation and robotic applications. These lightweight, compact rotary unions feature an all-aluminum construction and independent flow passages capable of transferring different types of media simultaneously. 

All LT Series models come standard with threaded connections on the sides of the shaft and housing. Models are also available with optional shaft O-ring glands for face/flush mounting (which must be specified when ordering). 


  • Low Torque Seals
  • NPT / BSPT Connection Options
  • Compact - Lightweight Design
  • Corrosion Resistant
  • Low Heat Generation
  • Increased Design Strength & Durability
  • Enhanced Seal Life
  • Cost-effective / Customizable Options


Technical Specifications

Max. Pressure: 600 PSI (40 BAR)
Max. Vacuum: 30 HG
Max. Rotational Speed: up to 500 RPM
Temperature Range: 0° F to 220° F (-18° C to 105° C)
Media Types: Air/Gas, Chemical, Oil, Water/Glycol
Connection Types: NPT, Rc BSPT, O-ring Face Seal

Need to combine fluid with electrical power, signal and/or data transfer? No problem. The LT Series rotary unions are designed to integrate directly with our standard electrical slip rings. See Electrical Slip Ring options.