Vacuum Rotary Unions

Every day, leading OEMs integrate DSTI's vacuum rotary unions into their equipment for a reliable high-quality fluid sealing solution.

View vacuum rotary unions
Vacuum Rotary Unions: Proven, Tested & Trusted

Flexible solutions for vacuum rotary unions with a variety of options to fit your media, pressure, speed, and temperature requirements.

  • In-stock Options for Fast Shipping
  • Single & Multiple Flow Passages
  • Options for Fluid & Electrical Integration
  • Custom Vacuum Rotary Union Solutions to Fit Any Budget

Select Your Specifications

Max. Pressure Select
  • Vacuum
  • 0 - 200 PSI [0 - 15 BAR]
  • 201 - 600 PSI [15 - 40 BAR]
  • 601 - 5,000 PSI [40 - 345 BAR]
  • 5,001 - 7,500 PSI [345 - 515 BAR]
  • 7,501 - 20,000 PSI [515 - 1,375 BAR]
  • Over 20,000 PSI [1,375 BAR]
Max. Speed Select
  • 0 - 50 RPM
  • 51 - 75 RPM
  • 76 - 300 RPM
  • 301 - 500 RPM
  • Over 500 RPM
Flow Passages Select
  • 1 Passage
  • 2 Passages
  • 3 - 4 Passages
  • 5 - 6 Passages
  • 7 - 8 Passages
  • 9 - 10 Passages
  • 11 - 12 Passages
  • Over 12 Passages
Flow Passage Size Select
  • Under 1/8" [3.18mm]
  • 1/8" - 3/16" [3.18mm - 4.76mm]
  • 1/4" - 3/8" [6.35mm - 9.53mm]
  • 1/2" - 3/4" [12.70mm - 19.05mm]
  • 7/8" - 1" [22.23mm - 25.40mm]
  • 1-1/4" - 1-1/2" [31.75mm - 38.10mm]
  • 2" - 3" [50.8mm - 76.20mm]
  • Over 3" [76.20mm]
Media Type Select
  • Air/Gas
  • Chemical
  • DI/Tap Water
  • Food-Grade
  • Oil
  • Steam
  • Water/Glycol
  • Other

Questions?

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