Standard Rotary Unions

Every day, leading OEMs integrate DSTI's rotary unions (rotary joints) into their equipment for a reliable high-quality fluid sealing solution.
Whatever your application needs are, we offer a wide range of standard (ready-to-ship) rotary union options to fit your media type, pressure, speed and temperature requirements.
Select Your Specifications
Media Type
Select
- Air/Gas
- Chemical
- Coolant
- DI/Tap Water
- Food-Grade
- Oil/Hydraulic
- Steam
- Water/Glycol
- Other
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
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 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]